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ChemicalBook CAS DataBase List 7-(TRIFLUOROMETHYL)CHROMAN-4-AMINE

7-(TRIFLUOROMETHYL)CHROMAN-4-AMINE synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with ammonia;hydrogen;palladium 10% on activated carbon in methanol at 20; under 2068.65 Torr; for 1 h;Product distribution / selectivity;

Steps:

35E

Example 35E; Example 35D (0.80 g, 3.2 mmol), 180 mg of 10% palladium on carbon, and 30 mL of 20% ammonia in methanol were shaken under hydrogen at 40 psi and ambient temperature for 1 hour. The catalyst was removed by filtration and the solvent evaporated under reduced pressure to give 0.70 g of Example 35E which was used without further purification.

References:

US2006/128689,2006,A1 Location in patent:Page/Page column 24

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