7-amino-6,8-dibromo-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one → 7-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one

HRID 354773Notes

Reaction equation

HRID 354773 reaction equation
[NH2:1][C:2]1[C:3](Br)=[CH:4][C:5]2[N:11]([CH3:12])[C:10](=[O:13])[C:9]([CH3:15])([CH3:14])[N:8]=[C:7]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][C:17]=3[Cl:22])[C:6]=2[C:23]=1Br>C(Cl)Cl.C1CCCCC1>[NH2:1][C:2]1[CH:3]=[CH:4][C:5]2[N:11]([CH3:12])[C:10](=[O:13])[C:9]([CH3:15])([CH3:14])[N:8]=[C:7]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][C:17]=3[Cl:22])[C:6]=2[CH:23]=1

Participants

3

Reactant 1

HCID 205061707-amino-6,8-dibromo-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one

Product 1

HCID 205061787-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one

Reagents, catalysts & solvents 1

HCID 21916607Dichloromethane cyclohexaneSolvent

Procedure

From 20 g (0.061 mol) of 7-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one there is obtained, in analogy to the details of Example 45, 7-amino-6,8-dibromo-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one of melting point 110° (methylene chloride/cyclohexane).

Sources & evidence

ORD record
ord-bbefd64598ac4e408b7e69129172b558
Source dataset
uspto-grants-1983_03
Patent number
US04377522

Reaction notes

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