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

HRID 126802Notes

Reaction equation

HRID 126802 reaction equation
[CH3:1][C:2]1([CH3:31])[C:26]2=[CH:27][CH:28]=[N:29][CH:30]=[C:25]2[C:5]2[C:6]([OH:24])=[CH:7][C:8]([CH:10]([CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH3:23])[CH3:11])=[CH:9][C:4]=2[O:3]1.[C:32](OC(=O)C)(=[O:34])[CH3:33]>N1C=CC=CC=1>[C:32]([O:24][C:6]1[C:5]2[C:25]3[C:26]([C:2]([CH3:1])([CH3:31])[O:3][C:4]=2[CH:9]=[C:8]([CH:10]([CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH3:23])[CH3:11])[CH:7]=1)=[CH:27][CH:28]=[N:29][CH:30]=3)(=[O:34])[CH3:33]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 202878565,5-dimethyl-10-hydroxy-8-(2-tetradecyl)-5H-[1]benzopyrano[3,4-d]pyridine

Product 1

HCID 2028790010-Acetoxy-5,5-dimethyl-8-(2-tetradecyl)-5H-[1]benzopyrano[3,4-d]pyridine

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

10-Acetoxy-5,5-dimethyl-8-(2-tetradecyl)-5H-[1]benzopyrano[3,4-d]pyridine is prepared by reacting 5,5-dimethyl-10-hydroxy-8-(2-tetradecyl)-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-bc1ee405984140fba60d827ea783a03a
Source dataset
uspto-grants-1981_03
Patent number
US04254116

Reaction notes

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