-BUTYROLACTONE

作品数：5被引量：1H指数：1
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相关领域：理学更多>>
相关机构：北京化工大学更多>>
相关期刊：《Chinese Journal of Chemistry》《Chinese Journal of Polymer Science》《Chinese Chemical Letters》更多>>
相关基金：国家自然科学基金更多>>
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Tailoring the Properties of Polyhydroxyalkanoates from Plastics to Elastomers via Stereoselective Copolymerizations of rac-β-Butyrolactone and β-Propiolactone
《Chinese Journal of Chemistry》2024年第9期963-972,共10页Haoran Zhang JiaojiaoQin Xiaoyan Tang 
supported by the National Natural Science Foundation of China(No.52173093);Peking University Ge Li and Ning Zhao Life Science Research Fund for Young Scientists。
Poly(3-hydroxybutyrate),a crucial member of the large biodegradable polyhydroxyalkanoate family,suffers from its brittleness.To enhance its performance,we employed a straightforward approach involving the ring-opening...
关键词：Ring-opening(co-)polymerization Biodegradable polymers POLYHYDROXYALKANOATES Copolymers PLASTICS Elastomers 
An Efficient Method for α-Alkylation of γ-Butyrolactone
《Chinese Chemical Letters》2002年第11期1039-1042,共4页YuanRuMENG YeDiGUAN 
This paper provides a simple, convenient and mild condition method for -alkylation of g-butyrolactone. Three types of (E)-a-alkenyl-g-butyrolactone compounds were synthesized by condensation of corresponding aldehyd...
关键词：Alkylation of -butyrolactone CONDENSATION catalytic transfer hydrogenation Pd / C-sodium hypophosphite. 
A Convenient Method of Polyfluoroalkyl-lactonization被引量：1
《Chinese Chemical Letters》2002年第5期410-411,共2页Xiao Wei ZOU Fan Hong WU 
This research work is supported by the National Natural Science Foundation of China (Grant No. 29902001) and the Department of Education of China.
A novel synthesis of polyfluoroalkyl substituted -butyrolactones from the reaction of polyfluoroalkyl iodides with 4-pentenoic acid initiated with sodium dithionite was realized in good yields.
关键词：Polyfluoroalkyl iodide y-butyrolactones sodium dithionite. 
Synthesis of Z and E-(2',5'-dimethoxyphenyl)-methylene-butyrolactones
《Chinese Chemical Letters》2000年第2期109-110,共2页Yong Ying JIANG2 Zhi Yun LIN Li Ya ZHU1 (1Dept. Of medicinal chemistry, College of pharmacy, Rutgers University, Piscataway, NJ, U.S.A. Institute of Materia Medica, Peking Union Medical College and) Chinese Academy of Medical Sciences, Beijing 100050 
A pair of Z and E isomers of cyclization of γ-ketoacid 7, which was prepared in six steps from 2,5-dimethoxyphenyl acetic acid 1, gave a pair of Z(20%) and E (4%) isomers of (2,5-dimethoxyphenyl)-methylene-butyrolact...
关键词：BUTYROLACTONE γ-keto-acid LACTONIZATION ferric sulfate hydrate. 
IONIC CONDUCTIVITY OF POLY (β-ALKOXYCARBONYLETHYLMETHYLSILOXANE)-LiClO_4 CROSSLINKED FILMS
《Chinese Journal of Polymer Science》1990年第2期127-132,共6页李永军 吴留仁 方世璧 江英彦 
Poly (β-carboxyethylmethylsiloxane)-LiClO_4 and poly (β-alkoxylethylmethylsiloxane)-LiClO_4 crosslinked fllms have been prepared. The ionic conductivity of the films depends on the polymer species, concentration of ...
关键词：Ionic conductivity: Poly(β-alkoxycarbonylethylmethylsiloxane)- Lithium Complex 1  4-butyrolactone Crosslinked film. 
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