Peroxo-oxometallate formation under phase transfer conditions
✍ Scribed by L.J. Csányi; K. Jáky
- Book ID
- 103693393
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 723 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0304-5102
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## Abstract Compounds **2, 5** and **9** represent the first examples of isolable dichlorooxiranes formed by formal addition of dichloro carbene to a carbonyl group under phase transfer conditions. On heating, **2, 5** and **9** rearrange into α‐chloroacid chlorides **3, 6** and **10**, respectivel
An asymmetric cyclopropanation reaction was developed using chiral quaternary ammonium salts as the phase-transfer catalyst (PTC). The reaction smoothly proceeded to give the desired bicyclic compounds with complete stereocontrol in the presence of a catalytic amount of chiral quaternary salts as th