Trifluoroacetic acid → (E)-3-(4-oxo-7-(2-(pyridin-2-yl)ethynyl)-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)benzonitrile

HRID 1745678Notes

Reaction equation

HRID 1745678 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][N:17]=2)=[CH:10][C:9]=1[NH2:22])(C)(C)C.CC1(C)O[C:29]([C:31]2[CH:32]=[C:33]([CH:36]=[CH:37][CH:38]=2)[C:34]#[N:35])=[CH:28][C:27](=[O:39])O1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[O:39]=[C:27]1[CH2:28][C:29]([C:31]2[CH:32]=[C:33]([CH:36]=[CH:37][CH:38]=2)[C:34]#[N:35])=[N:7][C:8]2[CH:13]=[CH:12][C:11]([C:14]#[C:15][C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][N:17]=3)=[CH:10][C:9]=2[NH:22]1

Participants

5

Reactant 3

HCID 6422Trifluoroacetic acidHCID 117363373-(2,2-Dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrileHCID 69592755tert-Butyl {2-amino-4-[(pyridin-2-yl)ethynyl]phenyl}carbamate

Product 1

HCID 22224608(E)-3-(4-oxo-7-(2-(pyridin-2-yl)ethynyl)-4,5-dihydro-3H-benzo[b][1,4]diazepin-2-yl)benzonitrileYield 85.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Prepared from (2-amino-4-pyridin-2-ylethynyl-phenyl)-carbamic acid tert.-butyl ester (Example G19) (124 mg, 0.4 mmol) and 3-(2,2-dimethyl-6-oxo-6H-[1,3]dioxin-4-yl)-benzonitrile (Example J4) (147 mg, 0.48 mmol) according to the general procedure K. The obtained material (199 mg) was deprotected and cyclized by treatment with TFA in CH2Cl2 according to the general procedure M. Obtained as a yellow solid (124 mg).

Sources & evidence

ORD record
ord-1c1faca244ed4913bb7c3b2468917d88
Source dataset
uspto-grants-2006_03
Patent number
US07018998B2

Reaction notes

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