Preparation of (all??E)??and (11Z)??12??Haloretinals and (11Z, 13Z)??and (13Z)??14??Haloretinals by the C15+ C5 Route− Exploring the Possibility of Preparing any …
Y Wang, J Lugtenburg
Index: Wang, Yajie; Lugtenburg, Johan European Journal of Organic Chemistry, 2004 , # 24 p. 5100 - 5110
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Citation Number: 6
Abstract
Abstract In this paper we describe how chemically modified ylides can be prepared by electrophilic substitution in a simple way. A subsequent Horner− Emmons reaction gives access to (all-E)-and (11Z)-12-chloro-,-12-bromo-, and-12-iodoretinal. It could be expected that many more retinals chemically modified at the 12-position could be prepared in this manner. Selectfluor®, a good reagent for introducing a fluorine atom by electrophilic ...
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