3,4-Difluoroaniline → HCID 22313736, compound

HRID 496193Notes

Reaction equation

HRID 496193 reaction equation
C(OC([N:8]1[CH2:13][CH2:12][C:11](=O)[CH2:10][CH2:9]1)=O)(C)(C)C.[F:15][C:16]1[CH:17]=[C:18]([NH2:23])[CH:19]=[CH:20][C:21]=1[F:22].C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl.C(O)(=O)C.FC(F)(F)C(O)=O>[F:15][C:16]1[CH:17]=[C:18]([NH:23][CH:11]2[CH2:10][CH2:9][NH:8][CH2:13][CH2:12]2)[CH:19]=[CH:20][C:21]=1[F:22]

Participants

7

Reactant 3

HCID 774693,4-DifluoroanilineHCID 735900tert-Butyl 4-oxopiperidine-1-carboxylateHCID 5049666Sodium triacetoxyborohydride

Product 1

HCID 22313736HCID 22313736, compound

Reagents, catalysts & solvents 3

HCID 176Acetic AcidSolventHCID 6344DichloromethaneSolvent2×HCID 6422Trifluoroacetic acidSolvent

Procedure

Was synthesised in the same way as (A) from 4-oxo-piperidine-1-carboxylic acid tert-butyl ester (3.59 g, 18.0 mmol), 3,4-difluoro-phenylamine (1.16 g, 9.0 mmol) and sodium triacetoxyborohydride (5.34 g, 25.2 mmol) in dichloromethane (40 ml) and acetic acid (3.1 ml). The deprotection was run in dichloromethane (37 ml) and trifluoro acetic acid (18 ml). Yield 1.26 g, 66%

Sources & evidence

ORD record
ord-c2caf0772ca04e32954b525395e24662
Source dataset
uspto-grants-2005_09
Patent number
US06943188B2

Reaction notes

Loading…