Tag: M.W:200-300

170097-67-3,170097-67-3, 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of 15 6 (60mg, 0.2mmol) in 57 CH2Cl2 (4mL) were added EDCI (58mg, 0.3mmol) and 16 DMAP (4 mg, 0.03mmol). The solution was stirred at room temperature for 0.5h and compound 715 (97mg, 0.18mmol) was added. The resulting mixture was stirred for another 8h and 58 water was added. The layers were separated, and the aqueous layer was extracted with CH2Cl2. The combined organic layers were dried over Na2SO4 and concentrated under vacuo. The residue was prified by chromatography (CH2Cl2/CH3OH 40:1) to provide 17 8 as white solid (108mg, 73%).

170097-67-3,2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acidbelongs to tetrahydroisoquinoline compound, is more and more widely used in various fields. and we look forward to future research findings.

Reference£º
Article; Liu, Xiaohua; Zhang, Yu; Huang, Wenjing; Tan, Wenfu; Zhang, Ao; Bioorganic and Medicinal Chemistry; vol. 26; 2; (2018); p. 443 – 454;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.877861-62-6,Methyl 1,2,3,4-tetrahydroisoquinoline-6-carboxylate hydrochloride,as a common compound, the synthetic route is as follows.

877861-62-6, A mixture of ammonium thiocyanate (0.105 g, 1.384 mmol), 6-methoxycarbonyl- 1,2,3,4-tetrahydroisoquinoline hydrochloride (0.3 g, 1.3176 mmol) and THF (2 mL) was heated in a CEM microwave reactor for 1 h at 100 0C. Upon cooling to room temperature, the reaction mixture was diluted with EtOAc, and washed with H2O, 1 N HCl, saturated aqueous NaHCO3 and brine respectively, dried over anhydrous MgSO4, and concentrated under reduced pressure to afford methyl 2- (aminocarbonothioyl)-l,2,3,4-tetrahydroisoquinoline-6-carboxylate (0.33 g, 47%) as a white solid. LCMS: (FA) ES+ 251.

The synthetic route of 877861-62-6 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; MILLENNIUM PHARMACEUTICALS, INC.; BLACKBURN, Christopher; CIAVARRI, Jeffrey; GIGSTAD, Kenneth; XU, He; WO2010/151318; (2010); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.57060-88-5,Methyl 1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride,as a common compound, the synthetic route is as follows.,57060-88-5

Step A: Preparation of Methyl 1,2,3,4,4a,5,6,7,8,8a-Decahydroisoquinoline-3-carboxylate Methyl 1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride (2.3 g, 10 mmol) in 200 ml absolute ethanol is hydrogenated at 50 psi, room temperature, using 0.6 g 5% Rh/C catalyst. After the theoretical amount of hydrogen is taken up (36 hours), the catalyst is filtered and the filtrate is evaporated to dryness. The residue is dissolved in methylene chloride and washed with a saturated solution of sodium carbonate. The organic phase is dried (Na2 SO4) and acidified with ethanolic HCl. Evaporation of the solvent yields 2.0 g of the product as a diastereomeric mixture which is used without further separation.

57060-88-5 Methyl 1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride 12248067, atetrahydroisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; Merck & Co., Inc.; US4381302; (1983); A;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.99365-69-2,7-Nitro-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.

99365-69-2, Example 11: Synthesis of 3-[l-(3,4-dimethoxy-benzoyl)-pyrrolidin-2-yl]-N-(l,2,3,4- tetrah dro-isoquinolin-7-yl)-benzamide trifluoroacetic acid (Compound 45).; To a solution of 7-nitro-l,2,3,4-tetrahydroisoquinoline hydrochloride (11.0 g, 51.25 mmol) in EtOAc (150 mL) at 0 ¡ãC in an ice bath add a solution of K2C03 (15.65 g, 113.25 mmol) in water (150 mL) followed by benzyl chloroformate (8.37 mL, 56.37 mmol) and vigorously stir the reaction at room temperature for 24 h. Separate the layers and extract the aqeuous with more EtOAc (150 mL). Wash the organics with sat.NaHC03 (200 mL), sat. NH4C1 (200 mL) and water (200 mL), then dry (Na2S04).Concentrate in vacuo to give 14.70 g of 7-nitro-3,4-dihydro-lH-isoquinoline-2- carboxylic acid benzyl ester as an oil which partially crystallizes.

As the paragraph descriping shows that 99365-69-2 is playing an increasingly important role.

Reference£º
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; GINN, John David; MARSHALL, Daniel Richard; SIBLEY, Robert; SORCEK, Ronald John; YOUNG, Erick Richard Roush; ZHANG, Yunlong; WO2012/6202; (2012); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.81237-69-6,5-Bromo-1,2,3,4-tetrahydroisoquinoline,as a common compound, the synthetic route is as follows.,81237-69-6

o a solution of 5-bromo-1,2,3,4-tetrahydroisoquinoline (1.0 g, 4.72 mmol) in ethylene glycol (15mL) was added copper(I) iodide (898 mg, 4.72 mmol), K3P04 (3.0 g, 14.15 mmol) and 4-iodo-1-methyl-1H-pyrazole (1.96 g, 9.43 mmol). The reaction mixture was heated to 120 C for 3 hunder a nitrogen atmosphere. After cooling to room temperature, the mixture was filtered andconcentrated in vacuo. Water (50 mL) was added and extracted with DCM (30 mL x 3). The combined organic layers were dried over anhydrous Na2SO4, filtered and concentrated in vacuo. The crude residue was purified by silica gel chromatography (petroleum ether / EtOAc = 1: 1) to give the title compound (0.28 g, 42% purity) as a brown solid which was further purifiedby reverse phase chromatography (acetonitrile 5-35/0.05% HC1 in water) to give the titlecompound (0.05 g, 4%, HC1 salt) as a light yellow solid. ?H NMR (400 IVIFIz, DMSO-d6) 9.77(s, 1H), 8.65 (s, 1H), 8.26 (s, 1H), 8.11 (d, J 8.0 Hz, 1H), 7.99 (d, J 7.2 Hz, 1H), 7.60-7.54(m, 1H), 4.55 (t, J= 8.0 Hz, 2H), 3.95 (s, 3H), 3.38 (t, J= 8.0 Hz, 2H), 2.54 (s, 2H). LCMS M/Z(M+H) 292.

The synthetic route of 81237-69-6 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; GENENTECH, INC.; CONSTELLATION PHARMACEUTICALS, INC.; CYR, Patrick; BRONNER, Sarah; ROMERO, F. Anthony; MAGNUSON, Steven; TSUI, Vickie Hsiao-Wei; MURRAY, Jeremy M.; WAI, John; LAI, Kwong Wah; WANG, Fei; CHEN, Kevin X.; (351 pag.)WO2017/205538; (2017); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

A common heterocyclic compound, the tetrahydroisoquinoline compound, name is 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid,cas is 170097-67-3, mainly used in chemical industry, its synthesis route is as follows.

General procedure: To a solution of corresponding acids (1.0mmol) in DCM (6mL) was added EDCI (1.5mmol), HOBt (1.5mmol), Et3N (3.0mmol) and corresponding amines (1.0mmol). The mixture was stirred at room temperature for 4h. The reaction mixture was diluted with saturated sodium bicarbonate aqueous solution (10mL) and extracted with DCM (3¡Á10mL). The combined organic layers were then dried and concentrated. The residue was purified by silica gel chromatography (dichloromethane/methanol, v/v, 90:10) to give the desired product.

170097-67-3, As the rapid development of chemical substances, we look forward to future research findings about 170097-67-3

Reference£º
Article; Shao, Jingwei; Zhu, Kongkai; Du, Daohai; Zhang, Yuanyuan; Tao, Hongrui; Chen, Zhifeng; Jiang, Hualiang; Chen, Kaixian; Luo, Cheng; Duan, Wenhu; European Journal of Medicinal Chemistry; vol. 164; (2019); p. 317 – 333;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

22990-19-8, 1-Phenyl-1,2,3,4-tetrahydroisoquinoline is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,22990-19-8

Resolution of (R:S)-1 -phenyl- 1,2,3,4-tetrahydroisoquinoline (100 g) was carried out using (D)-(-)-tartaric acid in water as per the literature method known in the art (Ref 1.- J. Chem. Soc. Perkin. Trans I, (4), 869-73 (1988), Ref. 2.- Monatshefte Fur. Chemie, vol. 53-54:956-962(1929)) and diastereomeric (D)-(-)-tartaric acid salt of (1S)- 1 -phenyl- 1,2,3,4-tetrahydroisoquinoline was filtered out as a solid. The filtrate containing enantiomerically enriched (D)-(-)-tartaric acid salt of (lR)-l-phenyl-l,2,3,4- tetrahydroisoquinoline was collected and a clear aqueous solution 40 % aq. sodium hydroxide (NaOH, 85 mL) was added at room temperature when solid was precipitated. The precipitated solid was filtered and washed with water and dried. The weight of enantiomerically enriched (lR)-l-phenyl-l,2,3,4-tetrahydroisoquinoline was 61.0 g. (% Purity by HPLC-97.0 %; % Chiral purity of R-isomer -79.0 %).

The synthetic route of 22990-19-8 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; CADILA HEALTHCARE LIMITED; KOTHARI, Himanshu M.; DAVE, Mayank Ghanshyambhai; PANDEY, Bipin; WO2011/48607; (2011); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.215798-19-9,6-Bromo-1,2,3,4-tetrahydroisoquinoline hydrochloride,as a common compound, the synthetic route is as follows.,215798-19-9

Triethylamine (2.8ml, 20 mmol) was added to a suspension of 6-bromo-1 ,2,3,4- tetrahydroisoquinoline hydrochloride (1g, 4.0 mmol, ASW MedChem Product List) and di-tert-butyl dicarbonate (1.87ml, 8.1 mmol) in methanol (10ml) at room temperature under nitrogen. The mixture was stirred overnight and then for a further 6h. The solvent was evaporated to give a white solid, which was partitioned between DCM and saturated sodium hydrogen carbonate solution, the organic dried (hydrophobic frit), and concentrated. The residue was dried under vacuum overnight, dissolved in methanol and applied to an SCX SPE (2Og). The cartridge was eluted with methanol and the fractions combined and evaporated to give 1 ,1- dimethylethyl 6-bromo-3,4-dihydro-2(1 H)-isoquinolinecarboxylate as a pale yellow gum (1.22g). LCMS (Method formate): Retention time 1.38min, MH+ = 312 / 314.

The synthetic route of 215798-19-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; GLAXO GROUP LIMITED; BAILEY, James, Matthew; BIT, Rino, Antonio; DEMONT, Emmanuel, Hubert; HARRISON, Lee, Andrew; JONES, Katherine, Louise; SMETHURST, Christian, Alan, Paul; WITHERINGTON, Jason; WO2010/146105; (2010); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

170097-67-3, 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid is a tetrahydroisoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Intermediate 25: 1 ,1-Dimethylethyl 6-[(1 /-/-pyrazol-4-ylamino)carbonyl1-3,4-dihydro- 2(1 HVisoalphauinolinecarboxylate; To a solution of 1 H-pyrazol-4-amine (1.87 g, 22.5 mmol), N-(3-dimethylaminopropyl)- N’-ethylcarbodiimide hydrochloride (5.18 g, 27 mmol), 1-hydroxybenzotriazole hydrate (3.65 g, 27 mmol) and triethylamine (6.3 ml_, 45 mmol) in DMF was added 2- {[(I J-dimethylethyOoxylcarbonylJ-i ^^^-tetrahydro-theta-isoquinolinecarboxylic acid (5.62 g, 20.3 mmol) and the reaction mixture was stirred at room temperature for 16 hours. The volatiles were removed under reduced pressure, the residue was dissolved in MeOH and potassium hydroxide (5.04 g, 90 mmol), water (100 ml.) was added and the mixture was heated at 500C for 15 min. The MeOH was evaporated under reduced pressure and the solid which crystallized was filtered and recrystallized from acetonitrile to give the title compound as a solid (3.7 g, 48%). LC/MS: m/z 341 (M-H)+, Rt: 2.80 min., 170097-67-3

The synthetic route of 170097-67-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SMITHKLINE BEECHAM CORPORATION; WO2008/74824; (2008); A2;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.170097-67-3,2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acid,as a common compound, the synthetic route is as follows.,170097-67-3

To a solution of 2-{[(1 ,1-dimethylethyl)oxy]carbonyl}-1 ,2,3,4-tetrahydro-6- isoquinolinecarboxylic acid (100 mg, 0.36 mmol), HOBt (50 mg, 0.37 mmol), EDCI (70 mg, 0.37 mmol) and triethylamine (80 mul_, 0.58 mmol) in DCM (5 ml.) was added Intermediate 66 (75 mg, 0.29 mmol) and the resulting mixture was stirred at room temperature for 1 week. The organic phase was washed successively with a 1 N solution of hydrochloric acid, with a 1 N solution of sodium hydroxide, with brine, dried over Na2SO4, filtered and evaporated under reduced pressure. The residue was purified by flash column chromatography eluting with DCM / MeOH: 95 / 5 to give the title compound as a yellow oil (25 mg, 17%). LC/MS: m/z 518 (M+H)+, Rt : 4.05 min.

The synthetic route of 170097-67-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; SMITHKLINE BEECHAM CORPORATION; WO2009/150196; (2009); A1;,
Tetrahydroisoquinoline – Wikipedia
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem