Azanium;hydrate → 8-iodo-1-methyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide

HRID 875118

Reaction equation

[I:1][C:2]1[N:11]=[CH:10][C:9]2[CH2:8][CH2:7][C:6]3[C:12]([C:16]([O:18]CC)=O)=[N:13][N:14]([CH3:15])[C:5]=3[C:4]=2[N:3]=1.O.[NH4+:22]>CO>[I:1][C:2]1[N:11]=[CH:10][C:9]2[CH2:8][CH2:7][C:6]3[C:12]([C:16]([NH2:22])=[O:18])=[N:13][N:14]([CH3:15])[C:5]=3[C:4]=2[N:3]=1

Participants

Conditions

Temperature: 60 °C

Procedure

1.0 g (2.6 mmol) of ethyl 8-iodo-1-methyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate were dissolved in a mixture of 100 mL of methanol and 100 mL of ammonium hydrate 33%. The solution was stirred in a close bottle at 60° C. for 4 hours. The resulting precipitate was collected giving 0.5 g (54% yield) of the title compound.

Workup

customThe resulting precipitate was collected

Sources & evidence

ORD record: ord-45e05f07d797412d86ee341f8740cc17
Source dataset: uspto-grants-2015_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08981089B2

Linked notes

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