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The importance of a reaction for construction of the cis, trans diene moiety of the general structures 1 and 2 is described with the molecules shown in Figure 1. In the first section, several reactions useful for construction of these dienes are presented. Such reactions are : (1) Wittig reaction; (2) Sonogashira reactions followed by cis hydrogenation; (3) - (6) cross-coupling reactions of various types. Stereoselectivity of these reactions and availability of the reaction partners required for the reactions are briefly discussed. In the remaining sections, synthesis of leukotriene B4 (LTB4), 10, 11-dihydro-LTB4, didemnilactone A, korormicin, and fostriecin is presented with the observed efficiency in construction of the conjugated olefin moieties.

yūki gōsei kagaku kyōkaishi/yuuki gousei kagaku kyoukaishi

Formation of cis, trans Conjugated Olefin Possessing a Hydroxyl Group Next to the cis Olefin End and Synthesis of Biologically Active Molecules with This Functionality.