Category: Triazoles

New discoveries in chemical research and development in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 16681-70-2, name is 1H-[1,2,3]Triazole-4-carboxylic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Product Details of 16681-70-2

[0769] 3H-1,2,3-triazole-5-carboxylic acid (2.5 mg, 22f.tmol) was combined with HATU (8.4 mg, 22 flillOI) in DMF(0.3 mL) and stirred for 10 minutes; Et3N (1 eq.) was addedand the mixture was stirred for 1 minute. Compound 2 (22f.tmol) was dissolved in DMF (0.5 mL) and Et3N (3.1 f.LL, 22f.tmol) was added, followed by addition of the activated acidsolution. The mixture was stirred for 30 minutes, concentrated,and purified by preparative HPLC to yield Compounda (8 mg) as a TFA salt. MS m/z [M+Ht calc’d forC26H29CIFN50 3 , 514.19. found 514.2.

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Reference:
Patent; THERAVANCE BIOPHARMA R&D IP, LLC; Fleury, Melissa; Beausoliel, Anne-Marie; Hughes, Adam D.; Long, Daniel D.; Wilton, Donna A.A.; US2015/210690; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 16681-65-5, New Advances in Chemical Research in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 16681-65-5, name is 1-Methyl-1H-1,2,3-triazole, molecular formula is C3H5N3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

A solutionofn-butyllithiuminhexanes(2.5 M, 0.32 mE, 0.81 mmol) was added dropwise to a stirring solution of i-methyl-1H-i,2,3-triazole (70.4 mg, 0.848 mmol, prepared according to PCT Int. Appl., 2008098104) in tetrahydrofuran (1 mE) at -50C. After 20 minutes, a solution (gently warmed with a heat gun to dissolve the ketone starting material) of (3-(4-(1H-pyrazol-i -yl)benzyl)-4-chloro-2-methoxyquino- lin-6-yl)(i ,2-dimethyl- 1H-imidazol-5-yl)methanone (200 mg, 0.42 mmol, Intermediate 21: step b) in tetrahydroffiran (1 mE) was added dropwise. After 5 minutes, the flask was allowed to warm to 23C. After 20 minutes, water (1 mE) was added. The biphasic mixture was partitioned between saturated aqueous sodium chloride solution (25 mE) and ethyl acetate (50 mE). The layers were separated and the organic layer was dried with sodium sulfate. The dried solution was filtered. Silica gel (2 g) was added to the filtrate and the mixture was concentrated by rotary evaporation to afford a free-flowing powdet The powder was loaded onto a silica gel colunm for flash column chromatography purification. Elution with dichloromethane initially, grading to 10% methanol-dichloromethane provided the title compound which was further purified by RP-HPEC eluting initially with 5% acetonitrile-water (containing 0.05% trifluoroacetic acid), grading to 95% acetonitrile-water (containing 0.05% trifluoroacetic acid) to provide the title compound as a white solid after partitioning the purified material between dichloromethanesaturated aqueous sodium bicarbonate solution, separating the layers, drying the organic layer with sodium sulfate, filtering the dried solution, and concentrating the filtrate to dryness. ?H NMR (400 MHz, CDC13) oe ppm 8.21 (s, 1H), 7.85 (d, J=2.4 Hz, 1H), 7.74 (d, J=8.8 Hz, 1H), 7.67 (d, J=i.7 Hz, 1H), 7.60-7.53 (m, 2H), 7.41-7.33 (m, 3H), 7.11 (d, J=i .4 Hz, 1H), 6.46-6.39 (m, 1H), 6.08-6.02 (m, 1H), 4.27 (s, 2H), 4.08 (s, 3H), 3.89 (s, 3H), 3.35 (s, 3H), 2.20 (s, 3H); MS (ESI):mass calcd. for C29H27C1N802, 554.2. mlz found, 555.2 [M+H].j0650] (3-(4-(i H-Pyrazol- 1 -yl)benzyl)-4-chloro-2-meth- oxyquinolin-6-yl)(i ,2-dimethyl-i H-imidazol-5-yl)(i -methyl-1H-i,2,3-triazol-5-yl)methanol was purified by chiral SFC (Chiralpak AD-H, 5 pm, 250×20 mm, mobile phase:55% C02, 45% methanol containing 0.03% isopropylamine) to provide two enantiomers. The first eluting enantiomer was Example 19b: ?H NMR (500 MHz, CDC13) oe ppm 8.17 (d, J=2.2 Hz, 1H), 7.88-7.84 (m, 1H), 7.78 (d, J=8.7 Hz, 1H), 7.70-7.66 (m, 1H), 7.61-7.55 (m, 2H), 7.41-7.34 (m, 3H),7.18 (s, 1H), 6.47-6.39 (m, 1H), 6.16 (s, 1H), 4.32 (s, 2H),4.10 (s, 3H), 3.92 (s, 3H), 3.40 (s, 3H), 2.33 (s, 3H); MS (ESI):mass calcd. for C29H27C1N802, 554.2. mlz found, 555.5 [M+H] + and the second eluting enantiomer was Example 1 9c:?H NMR (500 MHz, CDC13) oe ppm 8.18 (d, J=2.2 Hz, 1H), 7.85 (d, J=2.5 Hz, 1H), 7.76 (d, J=8.8 Hz, 1H), 7.68 (d, J=1.7 Hz, 1H), 7.61-7.55 (m, 2H), 7.42-7.34 (m, 3H), 7.17 (s, 1H), 6.43 (t, J=2.i Hz, 1H), 6.13 (s, 1H), 4.31 (s, 2H), 4.10 (s, 3H),3.91 (s, 3H), 3.39 (s, 3H), 2.31 (s, 3H)

Future efforts will undeniably focus on the diversification of the new catalytic transformations. These may comprise an expansion of the substrate scope from aromatic and heteroaromatic compounds to other hydrocarbons. Keep reading other articles of 16681-65-5.

Reference:
Patent; Janssen Pharmaceutica NV; Leonard, Kristi A.; Barbay, Kent; Edwards, James P.; Kreutter, Kevin D.; Kummer, David A.; Maharoof, Umar; Nishimura, Rachel; Urbanski, Maud; Venkatesan, Hariharan; Wang, Aihua; Wolin, Ronald L.; Woods, Craig R.; Fourie, Anne; Xue, Xiaohua; Cummings, Maxwell D.; Jones, William Moore; Goldberg, Steven; US2015/105366; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Related Products of 74205-82-6, New discoveries in chemical research and development in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 74205-82-6, name is (1H-1,2,4-Triazol-1-yl)methanol, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Example4. Synthesis of Intermediate 5Intermediate 4 (16.3g, 70.4 mmol) was completely dissolved in concentrated sulfuric acid (80ml) under ice bath, and triazolemethanol (10.4g) was added. The solution was stirred at room temperature for 5hrs. TLC was used toshow the completion of raw materials. Post-treatment: the reaction solution wasslowly added to 20% sodium hydroxide solution under ice bath. After alkalizing,dichloromethane was added to extract the product. The organic layer was driedand the solvent was removed by rotary evaporation. 21.2g yellow oil product(crude) was obtained. 15.6g light yellowsemi-solid (Intermediate 5) was obtained after column chromatography separation(dichloromethane: methanol 20: 1+ 1% triethylamine) and rotary evaporation,with a yield of 71.0%.

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Reference:
Patent; Sichuan University; Wu, Yong; Hai, Li; Sun, Baohou; He, Yi; Li, Xiaocen; (11 pag.)CN103664900; (2016); B;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 288-88-0, name is 1H-1,2,4-Triazole belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Formula: C2H3N3

(ii) Preparation of crude anastrozole of formula-I; Into a 10L, three-necked RB flask was charged l.4kg of above crude compound of formula-V and 7L of anhydrous DMF. The reaction mass was stirred for 30min and added 0.65kg of solid sodium triazole (prepared by reaction of molar quantities of 1,2,4- IH-triazole and sodium hydroxide in isopropanol at reflux temperature and isolated by filtering of the reaction mass at room temperature) in lots keeping the temperature below 25 C. The reaction mass was maintained under stirring at this temperature for 4hr. HPLC of the reaction mass indicated the absence of starting material. The reaction mass was transferred into a 50L flask containing 21L of water and stirred for 30min. Reaction mass was extracted with toluene (2 x 3L and 1 x 1L). Toluene layers were combined and . washed with water (2 x 2L). Toluene was distilled of from the filtrate under vaccum to get 1.2kg of crude anastrozole.; (ii) Preparation of crude anastrozole; Into a 1 L, three-necked RB flask was charged 60g of sodium triazole monohydrate (prepared by reaction of molar quantities of 1,2,4-IH-triazole and sodium hydroxide in isopropanol at reflux temperature and isolated by filtering of the reaction mass at room temperature) and 200ml of dry DMF under nitrogen atmosphere. The reaction mass was cooled to 20 C. A solution of the above bromo compound of formula-V (140g) in toluene (200ml) was added to the reaction mass over a period of 2hr. The reaction mass was maintained at this temperature until the completion of reaction. The reaction mass was transferred into 3L flask containing 1.5L of water and stirred for 30min. Reaction mass was extracted with toluene (2 x 300ml and 1 x 100ml). Toluene layers were combined and washed with water (2 x 200ml). Toluene layer was treated with activated carbon (5g) and filtered. Toluene was distilled of from the filtrate under vaccum to get 130g of crude anastrozole.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 288-88-0, and we look forward to future research findings.

Reference:
Patent; NATCO PHARMA LIMITED; PULLA REDDY, Muddasani; VENKAIAH CHOWDARY, Nannapaneni; WO2005/105762; (2005); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 6818-99-1, name is 3-Chloro-1,2,4-triazole belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. name: 3-Chloro-1,2,4-triazole

A mixture of 3-chloro-lH-l,2,4-triazole (2.76 g, 26.7 mmol), 1- chloro-2-methoxy-4 -nitrobenzene (5.0 g, 26.7 mmol), potassium hydroxide flakes (1.496 g, 26.7 mmol), and DMSO (25 mL) was heated in a sealed reaction vessel 100 0C for 24 h. The reaction was allowed to cool to rt and additional portions of 3- chloro-lH-l,2,4-triazole (1.38 g, 0.5 equiv) and potassium hydroxide (0.75 g, 0.5 equiv) were added. The reaction vessel was resealed and heated to 1100C for an additional 24 h. The resulting mixture was allowed to cool to rt and was poured into 500 mL of water. The aqueous mixture was extracted with EtOAc (3 x 100 mL). The combined organics were washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The crude residue was purified using silica gel chromatography (0-5% MeOH/chloroform, linear gradient over 144 min, flow 25 mL/min) to afford 2-(3-chloro-lH-l,2>;4-triazol-l-yl)-5-nittophenol (0.924 g, 3.84 mmol, 14.4 % yield). LC-MS (M+H)+ – 241.0. 1H NMR (500 MHz, chloroform-^ delta ppm 11.97 (br. s., 1 H) 9.24 (s, 1 H) 7.90 – 7.95 (m, 1 H) 7.89 (d, J=2.44 Hz, 1 H) 7.84 (dd, J=8.85, 2.44 Hz, 1 H).

In conclusion, we affirm that quantitative kinetic descriptions of catalytic behavior continue to serve as an indispensable tool to navigate research efforts intended to model. Read on for other articles about 6818-99-1.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; MARCIN, Lawrence, R.; THOMPSON, Lorin, A., III; BOY, Kenneth, M.; GUERNON, Jason, M.; HIGGINS, Mendi, A.; SHI, Jianliang; WU, Yong-Jin; ZHANG, Yunhui; MACOR, John, E.; WO2010/83141; (2010); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 7170-01-6, name is 3-Methyl-1H-1,2,4-triazole belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 3-Methyl-1H-1,2,4-triazole

To a solution of 2-chloropyrimidine-5–carbaldehyde (0.25 g, 1.75 mmol) in THF (7 rnL) was added K2C03 (0.36 g, 2.63 mmol) and 3-methyi-1T-1-i,2,4-1riazoie (022 g, 2.63 mmoi). The resulting mixture was stirred at 70 0Q for 2 h. The reaction mixture was cooled to ambient temperature and poured into ice cold water (30 mL) and extracted with ethyl acetate (2 x 50 mL).The combined organic layers were washed with brine (20 mL), dried over sodium sulfate and distilled under reduced pressure. The residue was recrystallised from DCM/n-hexane to obtain Intermediate 105 (0300 g, 7050%) as yellow sticky material, ?HNMR (400 MHz, DMSO-d6) oepprn 2.34 2.43 (rn, 3 H), 9.29 – 9.40(m, 2H), 10.10- 10.25 (m, I H), 13.69(br. s., I H). LCMS (Zvlethod-D): retention time 0.42 mm, [M+ii 190.2.

In conclusion, we affirm that quantitative kinetic descriptions of catalytic behavior continue to serve as an indispensable tool to navigate research efforts intended to model. Read on for other articles about 7170-01-6.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; GUNAGA, Prashantha; BHIDE, Rajeev S.; BORA, Rajesh Onkardas; PANDA, Manoranjan; YADAV, Navnath Dnyanoba; PRIESTLEY, Eldon Scott; RICHTER, Jeremy; (321 pag.)WO2018/93569; (2018); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. We’ll be discussing some of the latest developments in chemical about CAS: 202931-88-2, name is 1-Methyl-1H-1,2,3-triazole-5-carbaldehyde belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Application In Synthesis of 1-Methyl-1H-1,2,3-triazole-5-carbaldehyde

To a 50 mL flask containing 6-bromo-4-chloro-2-methoxy-3-(4-(trifluoromethyl)benzyl)quinoline (1.45 g, 3.37 mmol, Intermediate 47: step d) was added THF (25 mL) at room temp which resulted in a colorless homogeneous mixture. The solution was cooled to -70 C. which remained homogeneous and then n-BuLi (2.5 M in hexanes, 1.3 mL, 3.25 mmol) was added dropwise. The color of the solution became a dark reddish-brown color. After 2 minutes, 1-methyl-1H-1,2,3-triazole-5-carbaldehyde (580 mg, 5.22 mmol, in 3 mL THF, Intermediate 50: step a) was introduced and the color of the mixture went from dark brown to greenish to a yellow color within about 2 minutes. The mixture was allowed to warm to -20 C. over 45 minutes at which time the contents were quenched with aqueous NH4Cl. The mixture was diluted further with water and extracted with EtOAc (5*40 mL). The combined organics were washed with brine, dried over MgSO4, filtered and concentrated to give a yellowish oil. The crude material was chromatographed on silica gel (5% CH3CN-DCM increasing to 30% CH3CN+2% MeOH) to give the title compound as an off white foam.

In conclusion, we affirm that quantitative kinetic descriptions of catalytic behavior continue to serve as an indispensable tool to navigate research efforts intended to model. Read on for other articles about 202931-88-2.

Reference:
Patent; Janssen Pharmaceutica NV; Leonard, Kristi A.; Barbay, Kent; Edwards, James P.; Kreutter, Kevin D.; Kummer, David A.; Maharoof, Umar; Nishimura, Rachel; Urbanski, Maud; Venkatesan, Hariharan; Wang, Aihua; Wolin, Ronald L.; Woods, Craig R.; Pierce, Joan; Goldberg, Steven; Fourie, Anne; Xue, Xiaohua; US2014/107094; (2014); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Research speed reading in 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing quantitative kinetic. 16681-70-2, name is 1H-[1,2,3]Triazole-4-carboxylic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 1H-[1,2,3]Triazole-4-carboxylic acid

Example 15 (R)-5-(5?-Chloro-2?-fluorobiphenyl-4-O-2-hydroxymethyl-2-propyl-4-[(3H-[1,2,3]triazole-4-carbonyl)amino]pentanoic Acid (isomers a and b) [0434] (R)-4-Amino-5-(5?-chloro-2?-fluorobiphenyl-4-yl)-2-hydroxymethyl-2-propylpentanoic acid (isomer a; 40 mg, 90 mumol, 1.0 eq.) and DIPEA (40 muL, 228 mumol, 2.5 eq.) were dissolved in DMF (200 muL). 1H-1,2,3-triazole-4-carboxylic acid (17 mg, 150 mumol, 1.5 eq.), HATU (45 mg, 120 mumol, 1.5 eq.), and DIPEA (40 muL, 228 mumol, 2.5 eq.) were dissolved in DMF (600 muL) and stirred at room temperature for a few minutes. The solutions were then combined and the resulting mixture stirred at room temperature until LC/MS analysis revealed consumption of starting material. The mixture was concentrated in vacuo and purified by preparative HPLC to yield the title compound (isomer a; 15.7 mg). LCMS (ESI): calc. C24H26ClFN4O4=488; obs. M+H=489.2. Retention time: 5.03 min. [0436] (R)-4-Amino-5-(5?-chloro-2?-fluorobiphenyl-4-yl)-2-hydroxymethyl-2-propylpentanoic acid (isomer b; 60 mg, 140 mumol, 1.0 eq.) and DIPEA (40 muL, 228 mumol, 1.6 eq.) were dissolved in DMF (300 muL). 1H-1,2,3-triazole-4-carboxylic acid (24 mg, 210 mumol, 1.5 eq.), HATU (57 mg, 150 mumol, 1.0 eq.), and DIPEA (80 muL, 456 mumol, 3.2 eq.) were dissolved in DMF (900 muL) and stirred at room temperature for a few minutes. The solutions were then combined and the resulting mixture stirred at room temperature and when the reaction was complete (as determined by LC/MS analysis), the mixture was concentrated in vacuo and purified by preparative HPLC to yield the title compound (isomer b; 33.7 mg). LCMS (ESI): calc. C24H26ClFN4O4=488; obs. M+H=489.2. Retention time: 4.98 min. [0437] LC/MS Method: flow rate: 1.5 mL/min; Buffer A: 0.1% TFA/H2O; Buffer B 0.1% TFA/MeCN; gradient elution from 5%-100% B over 9.6 minutes, then 100% B for 1.0 minute, detection at 254 nm.

In conclusion, we affirm that quantitative kinetic descriptions of catalytic behavior continue to serve as an indispensable tool to navigate research efforts intended to model. Read on for other articles about 16681-70-2.

Reference:
Patent; THERAVANCE BIOPHARMA R&D IP, LLC; Fleury, Melissa; Beausoliel, Anne-Marie; Hughes, Adam D.; Long, Daniel D.; Wilton, Donna A.A.; US2015/209352; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 60166-43-0, New Advances in Chemical Research in 2021.In classical electrochemical theory, both the electron transfer rate and the adsorption of reactants at the electrode control the electrochemical reaction. 60166-43-0, name is 1,4-Dimethyl-1H-1,2,3-triazole, molecular formula is C4H7N3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

In a 75 mL pressure vessel equipped with a magnetic stirring bar was added (75% purity, yellow foam as the title compound. NMR (500MHz, DMSO-c e) delta 8.71 – 8.62 (m, 2H), 8.21 (t, J=7.3 Hz, 1H), 7.46 (d, J=8.1 Hz, 1H), 7.41 – 7.24 (m, 2H), 7.12 (t, J=9.4 Hz, 1H), 6.18 (br. s., 1H), 4.01 (br. s., 3H), 3.93 – 3.82 (m, 2H), 3.74 (d, J=9.9 Hz, 1H), 3.53 (d, J=8.8 Hz, 1H), 3.49 – 3.36 (m, 1H), 3.30 – 3.12 (m, 1H), 2.29 (s, 3H), 1.66 (d, J=1 1.7 Hz, 1H), 1.53 – 1.39 (m, 1H), 1.39 – 1.26 (m, 1H), 0.96 (d, J=12.5 Hz, 1H). LC/MS (M+H) = 491.4; HPLC conditions: Rt = 3.30 min (Phenomenex LUNA C 18 2 x 50 mm (4 min grad) eluting with 5-95% aq ACN containing lOmM NH4OAC, 0.8 mL/min, monitoring at 254 nm); Temperature: 40C).

The potential utility of systematic synthetic strategy will be applicable to efficient generations of chemical libraries of compounds to find ‘hit’ molecules.Read on for other articles about 1,4-Dimethyl-1H-1,2,3-triazole, hurry up and to see.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; NORRIS, Derek J.; VACCARO, Wayne; DEBENEDETTO, Mikkel V.; DEGNAN, Andrew P.; DELUCCA, George V.; DESKUS, Jeffrey A.; HAN, Wen-Ching; KUMI, Godwin Kwame; SCHMITZ, William D.; STARRETT, John E., JR.; HILL, Matthew D.; HUANG, Hong; (563 pag.)WO2016/183118; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 7343-33-1, New Advances in Chemical Research in 2021. The transformation of simple hydrocarbons into more complex and valuable products via catalytic C–H bond functionalisation has revolutionised modern synthetic chemistry. 7343-33-1, name is 5-Bromo-1H-1,2,4-triazole, molecular formula is C2H2BrN3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.

(f?)-2-(6-Fluoroimidazo[1 ,2-a]pyridin-3-yl)-N-(piperidin-3-yl)pyrimidin-4-amine (42 mg, 0.13 mmol, Preparation 9b) and 3-bromo-1 H-1 ,2,4-triazole (10 mg, 0.07 mmol, prepared as described in the J. Med. Chem. 2004, 47(19), 4645-4648) are heated overnight at 150 °C. The crude reaction mixture is directly purified by reverse phase chromatography (C-18 silica from Waters, water/1 :1 acetonitrile-methanol as eluents [0.1percent v/v formic acid buffered] 0percent to 100percent) to obtain the title compound (4 mg, 15percent) as a solid.LRMS (m/z): 380 (M+1)+.1H-NMR delta (CDCIa): 1.8 (m, 2H), 1.9 (m, 1 H), 2.0 (m, 1 H), 3.2 (m, 1 H), 3.3 (m,1 H), 3.7 (m, 1 H), 4.1 (m, 2H), 5.2 (bs, 1 H), 6.1 (m, 1 H), 7.2 (m, 1 H), 7.6 (dd,1 H), 7.8 (m, 1 H), 8.1 (m, 1 H), 8.5 (s, 1 H), 9.8 (m, 1 H).

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Reference:
Patent; ALMIRALL, S.A.; EASTWOOD, Paul Robert; GONZALEZ RODRIGUEZ, Jacob; BACH TANA, Jordi; PAGES SANTACANA, Lluis Miquel; TALTAVULL MOLL, Joan; CATURLA JAVALOYES, Juan Francisco; MATASSA, Victor Giulio; WO2011/76419; (2011); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics