Salicylaldehyde → HCID 135737786, compound

HRID 1659333Notes

Reaction equation

HRID 1659333 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[NH:12][N:11]=[CH:10][C:9]=1[N+:13]([O-:15])=[O:14].[CH:16](=O)[C:17]1[C:18](=[CH:20][CH:21]=[CH:22][CH:23]=1)[OH:19]>>[N+:13]([C:9]1[CH:10]=[N:11][N:12]2[C:8]=1[C:3]1[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=1[NH:1][CH:16]2[C:17]1[CH:23]=[CH:22][CH:21]=[CH:20][C:18]=1[OH:19])([O-:15])=[O:14]

Participants

3

Reactant 2

HCID 6998SalicylaldehydeHCID 205602605-(o-Aminophenyl)-4-nitropyrazole

Product 1

HCID 135737786HCID 135737786, compoundYield 76%

Procedure

5-(o-Aminophenyl)-4-nitropyrazole is reacted with salicylaldehyde as described in Example 11. 1-Nitro-5-(o-hydroxyphenyl)-5,6-dihydropyrazolo[1,5-c]quinazoline is obtained with a yield of 76%. M.p.: 235°-237° C.

Sources & evidence

ORD record
ord-8884a4dd810a49f785f5f82857f6b350
Source dataset
uspto-grants-1981_12
Patent number
US04303660

Reaction notes

Loading…