Acetic Anhydride → HCID 15671160, compound

HRID 2351525Notes

Reaction equation

HRID 2351525 reaction equation
[Cl:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6](=[O:24])[CH2:7][C:8]([CH3:23])([CH2:12][O:13][C:14]3[CH:19]=[CH:18][C:17]([N+:20]([O-:22])=[O:21])=[CH:16][CH:15]=3)[O:9]2)=[CH:4][C:3]=1[OH:25].[C:26](OC(=O)C)(=[O:28])[CH3:27]>N1C=CC=CC=1>[C:26]([O:25][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:2]=1[Cl:1])[O:9][C:8]([CH3:23])([CH2:12][O:13][C:14]1[CH:15]=[CH:16][C:17]([N+:20]([O-:22])=[O:21])=[CH:18][CH:19]=1)[CH2:7][C:6]2=[O:24])(=[O:28])[CH3:27]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 15671127HCID 15671127, compound

Product 1

HCID 15671160HCID 15671160, compound

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

A procedure similar to that described in Preparation 17 was repeated, except that 550 mg of 7-chloro-6-hydroxy-2-methyl-2-(4-nitrophenoxymethyl)-4-oxochroman (prepared as described in Preparation 34), 1 ml of acetic anhydride and 10 ml of pyridine were reacted, to afford 580 mg of the title compound as a pale yellow glassy substance.

Workup

  1. customA procedure similar to that described in Preparation 17
  2. customwere reacted

Sources & evidence

ORD record
ord-8166b633c7d042d6a91af6c07e9b25fc
Source dataset
uspto-grants-1989_10
Patent number
US04873255

Reaction notes

Loading…