4-Toluenesulfonyl chloride → 4-Bromo-2-(cyanomethyl)benzoic acid
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[C:7](=[O:11])[C:6](=[N:12]O)[CH2:5]2.C1(C)C=CC(S(Cl)(=O)=[O:21])=CC=1>>[Br:1][C:2]1[CH:10]=[CH:9][C:8]([C:7]([OH:11])=[O:21])=[C:4]([CH2:5][C:6]#[N:12])[CH:3]=1Participants
3
Procedure
Similar procedure as described in example 9B was used, starting from 5-Bromo-indan-1,2-dione 2-oxime and p-Toluenesulfonyl chloride to give 4-Bromo-2-cyanomethyl-benzoic acid. LC-MS: m/e 238 (M−1).
Sources & evidence
- ORD record
- ord-cf132edfdeaf4a3fab3acb9425086115
- Source dataset
- uspto-grants-2009_08
- Patent number
- US07572809B2
Reaction notes
Loading…