Thionyl Chloride → HCID 54401933, compound
Reaction equation
[CH2:1]([O:3][C:4](=[O:18])[CH:5]([C:7]1[CH:12]=[CH:11][C:10]([N:13]2[CH:17]=[CH:16][CH:15]=[N:14]2)=[CH:9][CH:8]=1)O)[CH3:2].S(Cl)([Cl:21])=O>>[CH2:1]([O:3][C:4](=[O:18])[CH:5]([C:7]1[CH:12]=[CH:11][C:10]([N:13]2[CH:17]=[CH:16][CH:15]=[N:14]2)=[CH:9][CH:8]=1)[Cl:21])[CH3:2]Participants
3
Procedure
The starting compound is obtained in the following manner: 2.46 g (10 mmoles) of 4-(pyrazol-1-yl) mandelic acid ethyl ester and 10 ml of thionyl chloride are heated to 40° C. for 10 minutes, the excess thionyl chloride is distilled off. α-chloro-4-(pyrazol-1-yl) phenylacetic acid ethyl ester (oil) is obtained.
Workup
- customThe starting compound is obtained in the following manner
- distillationthe excess thionyl chloride is distilled off
Sources & evidence
- ORD record
- ord-c39cc3eb5e1c47ec9cbff346cd4d0233
- Source dataset
- uspto-grants-1980_12
- Patent number
- US04239901
Reaction notes
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