Acetic Anhydride → HCID 20560263, compound

HRID 1659351Notes

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[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])([O-:3])=[O:2].[C:28](OC(=O)C)(=[O:30])[CH3:29]>>[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:28](=[O:30])[CH3:29])[CH:8]2[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])([O-:3])=[O:2]

Participants

Reactant 2

HCID 7918Acetic Anhydride

HCID 135737777HCID 135737777, compound

Product 1

HCID 20560263HCID 20560263, compoundYield 85%

Procedure

1-Nitro-5-undecyl-5,6-dihydropyrazolo[1,5-c]quinazoline is treated with acetic anhydride as described in Example 27 to give 1-nitro-5-undecyl-6-acetyl-5,6-dihydropyrazolo[1,5-c]quinazoline. M.p.: 83°-85° C. Yield: 85%.

Sources & evidence

ORD record: ord-4136f74d9f814cfca0c6caacf04e2108
Source dataset: uspto-grants-1981_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04303660

Reaction notes

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