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ChemicalBook CAS DataBase List 7-(trifluoromethyl)-1,2,3,4-tetrahydro-5-nitroisoquinoline hydrochloride
625126-83-2

7-(trifluoromethyl)-1,2,3,4-tetrahydro-5-nitroisoquinoline hydrochloride synthesis

1synthesis methods
2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-5-nitro-7-(trifluoromethyl)-, 1,1-dimethylethyl ester

625126-84-3
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7-(trifluoromethyl)-1,2,3,4-tetrahydro-5-nitroisoquinoline hydrochloride

625126-83-2
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Yield:-

Reaction Conditions:

with hydrogenchloride in 1,4-dioxane; for 1 h;

Steps:

26.B

Step B; The above intermediate from Step A (17.0 g) was dissolved in 100 mL of 4 M HCl/dioxane, stirred for one hour, evaporated and dried under vacuum. Intermediate 26 was obtained as white solid. 1H NMR (400 MHz, CD3OD) δ 8.75 (s, 1H), 8.00 (s, 1H), 2.58 (s, 2H), 3.57 (t, J=6.0 Hz, 2H), 3.42 (t, J=6.0 Hz, 2H).

References:

US2008/81803,2008,A1 Location in patent:Page/Page column 40

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