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Polyaddition of bifunctional spiro orthoesters with bifunctional acid chlorides accompanying double ring-opening isomerization

โœ Scribed by Haruo Nishida; Fumio Sanda; Takeshi Endo; Takeshi Nakahara; Takayuki Ogata; Koshi Kusumoto


Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
123 KB
Volume
38
Category
Article
ISSN
0887-624X

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โœฆ Synopsis


Polyaddition of bifunctional spiro orthoesters (SOEs) with bifunctional acid chlorides was examined to develop zero-shrinkage polymerization. The polyaddition afforded the corresponding polyether-esters by repeating the addition reaction accompanying the double ring-opening isomerization of the SOE moiety in a manner similar to the reaction of monofunctional SOEs with acid chlorides. The polyaddition accompanied a slight shrinkage or expansion in volume.


๐Ÿ“œ SIMILAR VOLUMES


Addition reaction of spiro orthoesters w
โœ Haruo Nishida; Fumio Sanda; Takeshi Endo; Takeshi Nakahara; Takayuki Ogata; Kosh ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 203 KB ๐Ÿ‘ 2 views

The addition reaction of spiro orthoesters (SOEs) with electrophiles accompanying ring-opening isomerization was investigated as a model reaction for polyaddition of bifunctional SOEs with bifunctional electrophiles. Among several electrophiles such as carboxylic acids and carboxylic anhydrides, aci