Diethyl Sulfate → HCID 21698546, compound
Reaction equation
[CH2:1]([O:3][C:4]([C:6]1[NH:10][N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[CH:7]=1)=[O:5])[CH3:2].S(OCC)(O[CH2:18][CH3:19])(=O)=O>>[CH2:1]([O:3][C:4]([C:6]1[N:10]([CH2:18][CH3:19])[N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[CH:7]=1)=[O:5])[CH3:2]Participants
3
Procedure
This pyrazole was prepared from 3-n-propylpyrazole-5-carboxylic acid ethyl ester and diethyl sulphate, following the procedure described in Example 1, and was obtained as a colourless oil (72%). Rf 0.5 (silica; ethyl acetate, hexane; 1:1).
Sources & evidence
- ORD record
- ord-00612d15c9dd4ebda3cc32d7b0e1af0b
- Source dataset
- uspto-grants-1998_02
- Patent number
- US05719283
Reaction notes
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