Trifluoroacetic acid → (E)-4-(3-chlorophenyl)-8-(2-phenylethynyl)-1H-benzo[b][1,4]diazepin-2(3H)-one

HRID 1635350Notes

Reaction equation

HRID 1635350 reaction equation
C(OC(=O)[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]#[C:15][C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH:10][C:9]=1[NH2:22])(C)(C)C.[Cl:24][C:25]1[CH:26]=[C:27]([C:31]2OC(C)(C)O[C:33](=[O:39])[CH:32]=2)[CH:28]=[CH:29][CH:30]=1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[Cl:24][C:25]1[CH:26]=[C:27]([C:31]2[CH2:32][C:33](=[O:39])[NH:22][C:9]3[CH:10]=[C:11]([C:14]#[C:15][C:16]4[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=4)[CH:12]=[CH:13][C:8]=3[N:7]=2)[CH:28]=[CH:29][CH:30]=1

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 11404065(2-Amino-4-phenylethynyl-phenyl)-carbamic acid tert-butyl esterHCID 222246906-(3-Chloro-phenyl)-2,2-dimethyl-[1,3]dioxin-4-one

Product 1

HCID 9864190(E)-4-(3-chlorophenyl)-8-(2-phenylethynyl)-1H-benzo[b][1,4]diazepin-2(3H)-one

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Prepared from (2-amino-4-phenylethynyl-phenyl)-carbamic acid tert.-butyl ester (Example G2) and 6-(3-chloro-phenyl)-2,2-dimethyl-[1,3]dioxin-4-one (Example J6) 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 an orange solid (155 mg).

Sources & evidence

ORD record
ord-41ec6dac33ec4ae0b57643f688d140d6
Source dataset
uspto-grants-2003_01
Patent number
US06509328B1

Reaction notes

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