Acetic Anhydride → (R)-1-(4-acetoxy-3,5-dimethyl-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

HRID 643110Notes

Reaction equation

HRID 643110 reaction equation
[O:1]=[C:2]1[N:8]([CH:9]2[CH2:14][CH2:13][N:12]([C:15]([O:17][C@H:18]([CH2:33][C:34]3[CH:39]=[C:38]([CH3:40])[C:37]([OH:41])=[C:36]([CH3:42])[CH:35]=3)[C:19](=[O:32])[N:20]3[CH2:25][CH2:24][N:23]([CH:26]4[CH2:31][CH2:30][O:29][CH2:28][CH2:27]4)[CH2:22][CH2:21]3)=[O:16])[CH2:11][CH2:10]2)[CH2:7][CH2:6][C:5]2[CH:43]=[CH:44][CH:45]=[CH:46][C:4]=2[NH:3]1.[C:47](OC(=O)C)(=[O:49])[CH3:48]>>[O:1]=[C:2]1[N:8]([CH:9]2[CH2:14][CH2:13][N:12]([C:15]([O:17][C@H:18]([CH2:33][C:34]3[CH:39]=[C:38]([CH3:40])[C:37]([O:41][C:47](=[O:49])[CH3:48])=[C:36]([CH3:42])[CH:35]=3)[C:19](=[O:32])[N:20]3[CH2:21][CH2:22][N:23]([CH:26]4[CH2:31][CH2:30][O:29][CH2:28][CH2:27]4)[CH2:24][CH2:25]3)=[O:16])[CH2:11][CH2:10]2)[CH2:7][CH2:6][C:5]2[CH:43]=[CH:44][CH:45]=[CH:46][C:4]=2[NH:3]1

Participants

3

Reactant 2

HCID 7918Acetic AnhydrideHCID 11857998(R)-1-(4-hydroxy-3,5-dimethyl-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

Product 1

HCID 11857696(R)-1-(4-acetoxy-3,5-dimethyl-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

Procedure

A solution of 42 mg (0.07 mmol) (R)-1-(4-hydroxy-3,5-dimethyl-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate (Example 7i) in 5 mL acetic anhydride was heated to 50° C. for 2 h. The mixture was evaporated down i.vac. and the residue was purified by HPLC. The fractions containing the product were combined and lyophilised.

Workup

  1. customThe mixture was evaporated down i.vac
  2. customand the residue was purified by HPLC
  3. additionThe fractions containing the product

Sources & evidence

ORD record
ord-396a59281c9b48f4b4198e8ac17bab54
Source dataset
uspto-grants-2010_04
Patent number
US07696209B2

Reaction notes

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