Stereoselective synthesis of polyenic alarm pheromones of cephalaspidean molluscs
The stereospecific thallium-accelerated palladium-catalyzed cross- coupling of 1-alkenyl boronic acids and 1-alkenyl iodides (the Suzuki reaction) is the key step in an efficient approach to several polyenic pheromones isolated from cephalaspidean opisthobranch molluscs.
Alvarez, Rosana,Herrero, Maria,Lopez, Susana,De Lera, Angel R.
p. 6793 - 6810
(2007/10/03)
A FACILE SYNTHESIS OF ο-SUBSTITUTED CONJUGATED POLYENONES VIA ARSONIUM SALT AND ITS APPLICATION TOWARDS THE SYNTHESIS OF NAVENONE A
In the presence of K2CO3, a variety of aldehydes condensed with the arsonium bromide 8 at 0-3 deg C to give exclusively ο-substituted polyenones 1 in good yields, and the synthesis of navenone A was achieved by this procedure.
Shi, Lilan,Xia, Wenjuan,Yang, Jianhua,Wen, Xueging,Huang, Y. Z.
p. 2155 - 2158
(2007/10/02)
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