Dihalocarbenes Rrom Thallium (I) Ethoxide and Haloforms
- 1 January 1972
- journal article
- research article
- Published by Taylor & Francis in Synthetic Communications
- Vol. 2 (3) , 121-124
- https://doi.org/10.1080/00397917208081752
Abstract
It has been known for many years that dihalocarbenes may be generated by the reaction of strong bases with haloforms and that the resulting dihalocarbenes react rapidly with alkenes to produce dihalocyclopropane derivatives.1 The procedures reported to date suffer from two disadvantages in that they require: 1) the use of a date solvent or the necessity of a two-phase system when a hydrocarbon solvent is used, and 2) the use of covalent nature and unique solubility properties of thallium (I) ethoxide suggested that its use might eliminate, or at least minimize, these diffculties in the generation of dichalocarbenes.Keywords
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