Acetic Anhydride → HCID 13175679, compound

HRID 1659345Notes

Reaction equation

[N+:1]([C:4]1[CH:5]=[N:6][N:7]2[C:16]=1[C:15]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[NH:9][C:8]2([CH3:18])[CH3:17])([O-:3])=[O:2].[C:19](OC(=O)C)(=[O:21])[CH3:20]>>[N+:1]([C:4]1[CH:5]=[N:6][N:7]2[C:16]=1[C:15]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[N:9]([C:19](=[O:21])[CH3:20])[C:8]2([CH3:18])[CH3:17])([O-:3])=[O:2]

Participants

Reactant 2

HCID 7918Acetic Anhydride

HCID 135737780HCID 135737780, compound

Product 1

HCID 13175679HCID 13175679, compoundYield 69%

Procedure

1-Nitro-5,5-dimethyl-5,6-dihydropyrazolo[1,5-c]quinazoline is treated with acetic anhydride to give 1-nitro-5,5-dimethyl-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline with a yield of 69%. M.p.: 182°-183° C.

Sources & evidence

ORD record: ord-97a95b7c0ea84b4981a3d38824113b8c
Source dataset: uspto-grants-1981_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04303660

Reaction notes

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