Acetic Anhydride → 10-Acetoxy-5,5-dimethyl-8-iso-propyl-5H-[1]benzopyrano[3,4-d]pyridine

HRID 126805Notes

Reaction equation

HRID 126805 reaction equation
[CH3:1][C:2]1([CH3:20])[C:15]2=[CH:16][CH:17]=[N:18][CH:19]=[C:14]2[C:5]2[C:6]([OH:13])=[CH:7][C:8]([CH:10]([CH3:12])[CH3:11])=[CH:9][C:4]=2[O:3]1.[C:21](OC(=O)C)(=[O:23])[CH3:22]>N1C=CC=CC=1>[C:21]([O:13][C:6]1[C:5]2[C:14]3[C:15]([C:2]([CH3:1])([CH3:20])[O:3][C:4]=2[CH:9]=[C:8]([CH:10]([CH3:12])[CH3:11])[CH:7]=1)=[CH:16][CH:17]=[N:18][CH:19]=3)(=[O:23])[CH3:22]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 202878875,5-dimethyl-10-hydroxy-8-iso-propyl-5H-[1]benzopyrano[3,4-d]pyridine

Product 1

HCID 2028787510-Acetoxy-5,5-dimethyl-8-iso-propyl-5H-[1]benzopyrano[3,4-d]pyridine

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

10-Acetoxy-5,5-dimethyl-8-iso-propyl-5H-[1]benzopyrano[3,4-d]pyridine is prepared by reacting 5,5-dimethyl-10-hydroxy-8-iso-propyl-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-b9f2c7db3e934c41a6f6c761e0b7bfc5
Source dataset
uspto-grants-1981_03
Patent number
US04254116

Reaction notes

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