Cationic Ring-Opening Polymerization of Cyclic Monothiocarbonates:  Varying the Polymer Main Chain by Neighboring Group Participation

2001 ◽  
Vol 34 (22) ◽  
pp. 7642-7647 ◽  
Author(s):  
Nobukatsu Nemoto ◽  
Xiaoyu Xu ◽  
Fumio Sanda ◽  
Takeshi Endo
Keyword(s):  
Ring Opening ◽  
Main Chain ◽  
Ring Opening Polymerization ◽  
Neighboring Group ◽  
Group Participation ◽  
Polymer Main Chain ◽  
Cationic Ring Opening Polymerization ◽  
Neighboring Group Participation

Living ring-opening polymerization based on neighboring group participation

2000 ◽  
Vol 157 (1) ◽  
pp. 21-28 ◽  
Author(s):  
Takeshi Endo ◽  
Fumio Sanda ◽  
Wonmun Choi
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Neighboring Group ◽  
Group Participation ◽  
Neighboring Group Participation

scholarly journals Steric Control in Ring-Opening Polymerization of 1,6-Anhydro Galactose Derivatives by Neighboring Group Participation

1993 ◽  
Vol 25 (1) ◽  
pp. 49-57 ◽  
Author(s):  
Kazukiyo Kobayashi ◽  
Takahiro Ishii ◽  
Masahiko Okada ◽  
Conrad Schuerch
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Neighboring Group ◽  
Group Participation ◽  
Neighboring Group Participation ◽  
Steric Control

Sterically controlled ring-opening polymerization of an 1,6-anhydro-.beta.-D-galactopyranose derivative by neighboring group participation. (1 .fwdarw. 6)-.beta.-D-Galactopyranan

1988 ◽  
Vol 21 (2) ◽  
pp. 542-543 ◽  
Author(s):  
Kazukiyo Kobayashi ◽  
Haruo Ichikawa ◽  
Hiroshi Sumitomo ◽  
Conrad Schuerch
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Neighboring Group ◽  
Group Participation ◽  
Neighboring Group Participation

Synthesis of a β-(1→6)-linked polysaccharide via ring-opening polymerization with neighboring-group participation

1988 ◽  
Vol 179 ◽  
pp. 315-320 ◽  
Author(s):  
Haruo Ichikawa ◽  
Kazukiyo Kobayashi ◽  
Hiroshi Sumitomo ◽  
Conrad Schuerch
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Neighboring Group ◽  
Group Participation ◽  
Neighboring Group Participation

Neighboring-group participation in benzylidene acetal ring-opening of a 2-cyano-2-deoxypyranoside derivative by diethylaluminum cyanide

2003 ◽  
Vol 338 (21) ◽  
pp. 2177-2183 ◽  
Author(s):  
Marı́a I Mangione ◽  
Alejandra G Suárez ◽  
Rolando A Spanevello
Keyword(s):  
Ring Opening ◽  
Neighboring Group ◽  
Group Participation ◽  
Neighboring Group Participation ◽  
Acetal Ring

Neighboring group participation in hypobromous acid addition to 19-substituted 5α-cholest-1-enes and in acid cleavage of their epoxy analogs

1982 ◽  
Vol 47 (11) ◽  
pp. 3062-3076 ◽  
Author(s):  
Václav Černý ◽  
Pavel Kočovský
Keyword(s):  
Neighboring Group ◽  
Group Participation ◽  
Acid Addition ◽  
Acid Cleavage ◽  
Hypobromous Acid ◽  
Neighboring Group Participation

Reactions of the title compounds (bearing an OH, OCH3 or OCOCH3 group at C(19)) involve 5(O)n, 7(O)π,n-participation by the 19-substituent or attack by an external nucleophile. The 6(O)π,n-participation does not occur. The behavior of 1,2-unsaturated (or epoxidated) compounds has been compared with the earlier described 2,3-unsaturated or epoxidated analogs. The 1,2-type is genarally less prone to participation. The reasons for this behavior are discussed.

Sign in / Sign up

Export Citation Format

Share Document