Ethyl 3-oxovalerate → 1-Cyclohexyl-5-ethyl-1H-pyrazole-4-carbaldehyde

HRID 1350754

Reaction equation

HRID 1350754 reaction equation
O=[C:2]([CH2:9][CH3:10])[CH2:3][C:4]([O:6]CC)=O.C1(NN)CCCCC1.[CH:19]1([C:22]2[N:26]([CH:27](C)C)[N:25]=[CH:24][C:23]=2C=O)[CH2:21][CH2:20]1>>[CH:24]1([N:25]2[C:2]([CH2:9][CH3:10])=[C:3]([CH:4]=[O:6])[CH:27]=[N:26]2)[CH2:20][CH2:21][CH2:19][CH2:22][CH2:23]1

Participants

4

Reactant 3

HCID 78656Ethyl 3-oxovalerateHCID 80993CyclohexylhydrazineHCID 196201355-cyclopropyl-1-(propan-2-yl)-1H-pyrazole-4-carbaldehyde

Product 1

HCID 210972381-Cyclohexyl-5-ethyl-1H-pyrazole-4-carbaldehyde

Procedure

1-Cyclohexyl-5-ethyl-1H-pyrazole-4-carbaldehyde was prepared from ethyl 3-oxo-pentanoate and cyclohexyl hydrazine (TCI) in the same manner as 5-cyclopropyl-1-isopropyl-1H-pyrazole-4-carbaldehyde (Example 49).

Sources & evidence

ORD record
ord-2d0201a125424f868f13abbb7cbf74b7
Source dataset
uspto-grants-2007_05
Patent number
US07214802B2

Linked notes

Loading…