Acetic Anhydride → HCID 20287884, compound

HRID 126798Notes

Reaction equation

HRID 126798 reaction equation
[CH3:1][C:2]1([CH3:19])[C:14]2=[CH:15][CH:16]=[N:17][CH:18]=[C:13]2[C:5]2[C:6]([OH:12])=[CH:7][C:8]([CH2:10][CH3:11])=[CH:9][C:4]=2[O:3]1.[C:20](OC(=O)C)(=[O:22])[CH3:21]>N1C=CC=CC=1>[C:20]([O:12][C:6]1[C:5]2[C:13]3[C:14]([C:2]([CH3:1])([CH3:19])[O:3][C:4]=2[CH:9]=[C:8]([CH2:10][CH3:11])[CH:7]=1)=[CH:15][CH:16]=[N:17][CH:18]=3)(=[O:22])[CH3:21]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 20287868HCID 20287868, compound

Product 1

HCID 20287884HCID 20287884, compound

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

10-Acetoxy-5,5-dimethyl-8-ethyl-5H-[1]benzopyrano[3,4-d]pyridine is prepared by reacting 5,5-dimethyl-10-hydroxy-8-ethyl-5H-[1]benzopyrano[3,4-d]pyridine and acetic anhydride in the presence of pyridine according to the method of Example 12.

Sources & evidence

ORD record
ord-e66d87c31f664e448111d34cb95dd661
Source dataset
uspto-grants-1981_03
Patent number
US04254116

Reaction notes

Loading…