Acetic Anhydride → HCID 13175676, compound

HRID 1659342Notes

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][CH:8]2[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1)([O-:3])=[O:2].[C:23](OC(=O)C)(=[O:25])[CH3:24]>>[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:23](=[O:25])[CH3:24])[CH:8]2[C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1)([O-:3])=[O:2]

Participants

Reactant 2

HCID 7918Acetic Anhydride

HCID 135737785HCID 135737785, compound

Product 1

HCID 13175676HCID 13175676, compoundYield 92%

Procedure

1-Nitro-5-phenyl-5,6-dihydropyrazolo[1,5-c]quinazoline is treated with acetic anhydride as described in Example 27 to give 1-nitro-5-phenyl-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline. M.p.: 156°-157° C. Yield: 92%.

Sources & evidence

ORD record: ord-2589ad6824c14f09bf934a0fede0480c
Source dataset: uspto-grants-1981_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04303660

Reaction notes

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