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Active Esterification
No.134(October 2007)
Various types of condensing agents for esterification are known, and the amidinium type is one of these. For example, chloro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate (1) reacts with 2-mercaptopyridine (2) to give the thiouronium salt 3. The compound 3 will easily react with carboxylic acids to give thioesters, like 4, in high yield.
References
- Synthesis of 2-pyridinethiol esters
Related Compounds
- C1651
- 2-Chloro-1,3-dimethylimidazolinium Hexafluorophosphate
- C1379
- 1-(Chloro-1-pyrrolidinylmethylene)pyrrolidinium Hexafluorophosphate
- B1657
- O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium Hexafluorophosphate (HBTU)
- C1988
- O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium Hexafluorophosphate (HCTU)
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