Trifluoroacetic acid → 8-Phenyl-4-thiophen-2-yl-1,3-dihydro-benzo[b][1,4]diazepin-2-one

HRID 1745670Notes

Reaction equation

HRID 1745670 reaction equation
C(OC(=O)[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)=[CH:10][C:9]=1[NH2:20])(C)(C)C.CC1(C)O[C:27](=[O:29])[CH:26]=[C:25]([C:30]2[S:31][CH:32]=[CH:33][CH:34]=2)O1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[C:14]1([C:11]2[CH:12]=[CH:13][C:8]3[N:7]=[C:25]([C:30]4[S:31][CH:32]=[CH:33][CH:34]=4)[CH2:26][C:27](=[O:29])[NH:20][C:9]=3[CH:10]=2)[CH:15]=[CH:16][CH:17]=[CH:18][CH:19]=1

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 222247082,2-Dimethyl-6-thiophen-2-yl-[1,3]dioxin-4-oneHCID 57717454N-(3-Amino[1,1'-biphenyl]-4-yl)-carbamic Acid tert-Butyl Ester

Product 1

HCID 222247458-Phenyl-4-thiophen-2-yl-1,3-dihydro-benzo[b][1,4]diazepin-2-oneYield 59.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Prepared from (3-amino-biphenyl-4-yl)-carbamic acid tert.-butyl ester (Example G9) (69 mg, 0.243 mmol) and 2,2-dimethyl-6-thiophen-2-yl-[1,3]dioxin-4-one (Example J1) (54 mg, 0.257 mmol) according to the general procedure K. The obtained material was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a brown solid (46 mg).

Sources & evidence

ORD record
ord-4e4047d77f9640759e4680a8f17db48c
Source dataset
uspto-grants-2006_03
Patent number
US07018998B2

Reaction notes

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