Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 1849 - 1856 (1980)
Update date:2022-07-29
Topics:
Carless, Howard A. J.
Maitra, A. Kumar
Pottinger, Ruth
Frey, Henry M.
The thermal decomposition of the title compound yields penta-1,3-diene and ethanal as major products when pyrolysed in the gas phase between 326 and 384 deg C.This fragmentation reaction is kinetically first order and probably occurs by a biradical mechanism.Arrhenius parameters have been determined for this decomposition: log k/S-1=13.42+/-0.60-(200.3+/-7.5kJ mol-1)/RTln10.As well as the major decomposition pathway there are several minor ones.A ring expansion reaction to yield 2,6 dimethyl-3,6-dihydro-2H-pyran and a trans-cis isomerization to trans-2,4-dimethyl-3-vinyloxetan both occur to the extent of from 2 to 3 percent of the fragmentation reaction.Both these compounds are themselves thermally unstable at the reaction temperatures.The results are compared with those reported for other oxetans and also for appropiately substituted cyclobutanes.
View MoreJiangsu Feymer Technology Co., Ltd.
Contact:+86-512-58110132
Address:Fenghuang Town, Zhangjiagang City, Jiangsu Province, China
Suzhou CarbonWell Pharma-Tech Co., Ltd
Contact:Tel: + 86 (0)512-8898-1216; + 86-18606258602
Address:2358 Changan Road, Wujiang Scientific Innovation Park, Wujiang, Jiangsu Province, P. R. China 215200
Shanghai Coupling Pharmaceutical R&D Co., Ltd.(expird)
Contact:+86 021 50106671
Address:403 Room No.4 Buiding, No. 526 Ruiqing Road, Shanghai Zhangjiang Hi-Tech Park
website:http://www.angchenchem.com
Contact:+86-510-88302099 82327577
Address:Rm. 404/405, Floor 4th, No. 983 FengXiang Road, Wuxi, China
Taixing Shenfeng Chemical Co., Ltd.
Contact:+86-523-87117033, 87117666
Address:4# Yinsanlu, Huangqiao town, Taixing, Jiangsu, China.
Doi:10.1039/P19810000522
(1981)Doi:10.1142/S1088424612501295
(2013)Doi:10.1021/ja01154a130
(1951)Doi:10.1021/ac60233a030
(1966)Doi:10.1021/ja01200a035
(1947)Doi:10.1016/S0040-4039(01)92569-9
(1977)
