A PRACTICAL PROCEDURE FOR THE PREPARATION OF HINDERED α-HALOEPOXIDES AND α-HALOALDEHYDES
✍ Scribed by Gralak, Jean; Valnot, Jean-Yves
- Book ID
- 120614312
- Publisher
- Taylor and Francis Group
- Year
- 1979
- Tongue
- English
- Weight
- 145 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0030-4948
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📜 SIMILAR VOLUMES
A practical method for the preparation of ot-N-BOC-epoxides from protected amino acid esters based on the Kowalski homologation reaction is described. This procedure can be readily performed on a large scale without the use of hozardous reagents and has aUowed preparation of epoxides 3 in multi-kilo
Dibromoketene is prepared by in-situ Zn dehalogenation of tribromoacetyl bromide in the presence of POC1,. Under these conditions, the cycloaddition of dibromoketene with olefins 5 yields a,&-dibromocyclobutanones 2, which are cleaved with alkoxides to yield@-dibromomethyl esters 4. Several examples
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