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Citation: ZHANG Sheng-Bang, SHAO Li-Min, SHAO Xue-Guang, ZHANG Han-Chang, LIN Xiang-Qin. Ring-opening Reaction of Methyloxirane in HCl Solutions[J]. Chinese Journal of Applied Chemistry, ;2000, 17(2): 214-216. shu

Ring-opening Reaction of Methyloxirane in HCl Solutions

1.
Department of Chemistry, China University of Science and Technology, Hefei 230026

Received Date: 2 July 1999
Available Online: 8 November 1999
Fund Project:

The ring-opening reaction of methyloxirane(PO) in hydrochloric acid(HCl) has been studied by NMR and gas chromatography. It is found that under experimental conditions T and U-chloropropanol in the reaction products were in a molar ratio of about 2:1. The ratio was almost constant when the molar ratio of cPO:cHCl ranged from 1:0.3 to 1:1.4, at reaction temperature from 0 to 65℃ and reaction time from 1 to 60 min. It is proposed that the addition reaction of HCl should follow an S_N2 mechanism, and that which carbon atom would be attacked by nucleophilic agent Cl^- is decided by space factor and not by the electron factor.
- methyloxirane,
- ring-opening reaction,
- mechanism
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