Hydrazinecarboxylic acid, ethyl ester → 3-[(2-o-Propoxyphenyl-4-imidazolyl)methylene]carbazic acid ethyl ester
Reaction equation
[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[C:11]1[NH:12][CH:13]=[C:14]([CH:16]=O)[N:15]=1)[CH2:2][CH3:3].[C:18]([O:22][CH2:23][CH3:24])(=[O:21])[NH:19][NH2:20]>>[CH2:23]([O:22][C:18](=[O:21])[NH:19][N:20]=[CH:16][C:14]1[N:15]=[C:11]([C:6]2[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=2[O:4][CH2:1][CH2:2][CH3:3])[NH:12][CH:13]=1)[CH3:24]Participants
3
Procedure
A 43. gm. portion of 2-o-propoxyphenyl-4-imidazolecarboxaldehyde and 1.98 gm. of ethyl carbazate are reacted as described in Example 32 giving the desired product, m.p. 129°-132° C.
Sources & evidence
- ORD record
- ord-dc109b6ff799433cb3aec2984e100480
- Source dataset
- uspto-grants-1979_09
- Patent number
- US04168964
Reaction notes
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