Acetic Anhydride → 10-Acetoxy-5,5-dimethyl-8-(2-heptyl)-5H-[1]benzopyrano[3,4-d]pyridine

HRID 126800Notes

Reaction equation

HRID 126800 reaction equation
[CH3:1][C:2]1([CH3:24])[C:19]2=[CH:20][CH:21]=[N:22][CH:23]=[C:18]2[C:5]2[C:6]([OH:17])=[CH:7][C:8]([CH:10]([CH2:12][CH2:13][CH2:14][CH2:15][CH3:16])[CH3:11])=[CH:9][C:4]=2[O:3]1.[C:25](OC(=O)C)(=[O:27])[CH3:26]>N1C=CC=CC=1>[C:25]([O:17][C:6]1[C:5]2[C:18]3[C:19]([C:2]([CH3:1])([CH3:24])[O:3][C:4]=2[CH:9]=[C:8]([CH:10]([CH2:12][CH2:13][CH2:14][CH2:15][CH3:16])[CH3:11])[CH:7]=1)=[CH:20][CH:21]=[N:22][CH:23]=3)(=[O:27])[CH3:26]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 202878605,5-dimethyl-10-hydroxy-8-(2-heptyl)-5H-[1]benzopyrano[3,4-d]pyridine

Product 1

HCID 2028789910-Acetoxy-5,5-dimethyl-8-(2-heptyl)-5H-[1]benzopyrano[3,4-d]pyridine

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

10-Acetoxy-5,5-dimethyl-8-(2-heptyl)-5H-[1]benzopyrano[3,4-d]pyridine is prepared by reacting 5,5-dimethyl-10-hydroxy-8-(2-heptyl)-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-5ba54681a1c84bf18f9c37445bef4f01
Source dataset
uspto-grants-1981_03
Patent number
US04254116

Reaction notes

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