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Citation: Li Yuan, Huang Bao-Hua, Lv Ying-Chao, Jin Sheng, Xing Qi-Yi. The Mechanism and Kinetics of Intramolecular Condensation Reaction of 1,3-Diaryl-3-(2-amino-phenylsulfenyl)-propan-1-one[J]. Acta Physico-Chimica Sinica, ;1998, 14(11): 1048-1052. doi: 10.3866/PKU.WHXB19981117 shu

The Mechanism and Kinetics of Intramolecular Condensation Reaction of 1,3-Diaryl-3-(2-amino-phenylsulfenyl)-propan-1-one

1.
Chemistry Department,Hebei Normal University,Shijiazhuang 050016

Received Date: 1 December 1997
Available Online: 15 November 1998

The kinetics and mechanism of intramolecular condensation of amino ketones catalyzed respectively by six acids in methanol solution were studied by means of UV spectroscopy and 1H NMR.
The results indicate that the reaction proceeds with a general acid catalytic mechanism in the presence of acetic arid, and in lactic arid, in other stronger acids-methanol solution, the mechanism is of a special arid catalytic one. The result also shows that R2 has an effect on the reaction rate.
- 1,5-benzothiazepine,
- Condensation reaction,
- Kinetics,
- Mechanism
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