Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin
Abstract
The compound, [Pd(Me-DUPHOS)(MeCN).sub.2 ](BF.sub.4).sub.2, [Me-DUPHOS: 1,2-bis(2,5-dimethylphospholano)benzene] is an effective catalyst for the highly enantioselective, alternating copolymerization of olefins, such as aliphatic .alpha.-olefins, with carbon monoxide to form optically active, isotactic polymers which can serve as excellent starting materials for the synthesis of other classes of chiral polymers. For example, the complete reduction of a propylene-carbon monoxide copolymer resulted in the formation of a novel, optically active poly(1,4-alcohol). Also, the previously described catalyst is a catalyst for the novel alternating isomerization cooligomerization of 2-butene with carbon monoxide to form optically active, isotactic poly(1,5-ketone)
- Inventors:
- Issue Date:
- Research Org.:
- Pennsylvania State Univ., University Park, PA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 870434
- Patent Number(s):
- 5521281
- Application Number:
- 08/424,777
- Assignee:
- The Penn State Research Foundation (University Park, PA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- DOE Contract Number:
- FG02-84ER13295
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 1995 Apr 18
- Country of Publication:
- United States
- Language:
- English
- Subject:
- /528/525/
Citation Formats
Sen, Ayusman, and Jiang, Zhaozhong. Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin. United States: N. p., 1996.
Web.
Sen, Ayusman, & Jiang, Zhaozhong. Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin. United States.
Sen, Ayusman, and Jiang, Zhaozhong. Mon .
"Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin". United States. https://www.osti.gov/servlets/purl/870434.
@article{osti_870434,
title = {Substantially isotactic, linear, alternating copolymers of carbon monoxide and an olefin},
author = {Sen, Ayusman and Jiang, Zhaozhong},
abstractNote = {The compound, [Pd(Me-DUPHOS)(MeCN).sub.2 ](BF.sub.4).sub.2, [Me-DUPHOS: 1,2-bis(2,5-dimethylphospholano)benzene] is an effective catalyst for the highly enantioselective, alternating copolymerization of olefins, such as aliphatic .alpha.-olefins, with carbon monoxide to form optically active, isotactic polymers which can serve as excellent starting materials for the synthesis of other classes of chiral polymers. For example, the complete reduction of a propylene-carbon monoxide copolymer resulted in the formation of a novel, optically active poly(1,4-alcohol). Also, the previously described catalyst is a catalyst for the novel alternating isomerization cooligomerization of 2-butene with carbon monoxide to form optically active, isotactic poly(1,5-ketone)},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}
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