[EN] 6R-(3,6-DIDEOXY-L-ARABINO-HEXOPYRANOSYLOXY)HEPTANOIC ACID, PREPARATION PROCESS FOR THE SAME AND DAUER EFFECT THEREOF [FR] ACIDE 6R-(3,6-DIDESOXY-L-ARABINO-HEXOPYRANOSYLOXY)HEPTANOIQUE, PROCEDE DE PREPARATION DE CET ACIDE ET EFFET DAUER DE CET ACIDE
Novel 16 hydroxy 15-deoxy-5-cis-prostenoic acids and esters
申请人:American Cyanamid Company
公开号:US04107441A1
公开(公告)日:1978-08-15
This disclosure describes certain hydroxy substituted 15-deoxy-5-cis-prostenoic acids and esters useful as hypotensive agents, anti-ulcer agents, bronchodilators, anti-microbial agents, anticonvulsants, or as intermediates.
Synthesis of Alcohols from <i>m</i>-Fluorophenylsulfones and Dialkylboranes: Application to the C14–C35 Building Block of E7389
作者:Lei Liu、James A. Henderson、Akihiko Yamamoto、Paul Brémond、Yoshito Kishi
DOI:10.1021/ol300672q
日期:2012.5.4
hydroperoxide oxidation, yields alcohols in high yields. Optimization of the process, scope and limitation, and application to the synthesis of one of the C14–C35 building blocks of E7389, a right half analogue of halichondrin B, are reported.
A new synthesis of 2-alkylbuta-1,3-dienes from internal alkenes and 1,4-dichlorobut-2-yne via dialkyl(1,4-dichlorobut-2-en-2-yl)boranes
作者:Akira Arase、Masayuki Hoshi
DOI:10.1039/c39870000531
日期:——
The successive treatment of borane in tetrahydrofuran with sterically-hindered internalalkenes, 1,4-dichlorobut-2-yne, and alkyl-lithium has provided good yields of 2-alkylbuta-1,3-dienes whose alkyl groups are derived from the alkene.
1-Substituted-1-oxo-prostane-derivatives of the E, A and F series
申请人:American Cyanamid Company
公开号:US04297516A1
公开(公告)日:1981-10-27
The invention disclosed herein relates to pharmacologically active prostaglandin derivatives of the E, F, or A series having on the terminal methylene carbon of the alpha chain, a substituent selected from the group consisting of: ##STR1## wherein R is C.sub.1 to C.sub.6 alkyl, and phenyl or phenyl substituted with one or more substituents selected from the group consisting of C.sub.1 -C.sub.4 alkyl, OR.sub.16, SR.sub.16, F, or Cl, and R.sub.16 is C.sub.1 to C.sub.6 alkyl.
reactions, giving the corresponding 2,2-disubstituted-3-cyclohexenone derivatives in a completely regioselective manner. This newly developed methodology has been successfully applied towards the totalsynthesis, in racemic form, of the marine natural product nanaimoal.