Premium
Threefold and Fourfold [2+2] Cycloadditions of Cyclic Diynes as a Consequence of Steric Effects: En Route to Polymers
Author(s) -
Haberhauer Gebhard,
Rominger Frank,
Gleiter Rolf
Publication year - 1998
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19981231)37:24<3376::aid-anie3376>3.0.co;2-x
Subject(s) - steric effects , cycloaddition , chemistry , polymer , stereochemistry , medicinal chemistry , organic chemistry , catalysis
The fine‐tuning of the CpCo‐mediated [2+2] cycloaddition of cyclic diynes with small bridges between the triple bonds (C 2 H 4 , Si 2 Me 4 ) yields nanosized beltlike cyclophanes 1 and 2 . =SiMe 2 ; R = H ( 1 ), CO 2 Me ( 1 , 2 ).