An unusual cascade reaction of 4,5-dihydro-4,4-bis(trifluoromethyl)-2-phenyl-6,7-(4-chlorobenzo)[e]-1,3,2-dioxaphosphepin-5-one with chloral

被引:3
|
作者
Mironov, Vladimir F. [1 ,2 ]
Borisova, Yuliya Yu. [1 ]
Burnaeva, Liliya M. [1 ]
Krivolapov, Dmitry B. [2 ]
Litvinov, Igor A. [2 ]
Zverev, Vladislav V. [2 ]
Musin, Rashid Z. [2 ]
Konovalova, Irina V. [1 ]
机构
[1] Kazan VI Lenin State Univ, AM Butlerov Chem Inst, Kazan 420008, Russia
[2] Russian Acad Sci, Kazan Sci Ctr, AE Arbuzov Organ & Phys Chem Inst, Kazan 420088, Russia
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1016/j.mencom.2010.01.017
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The reaction of 4,5-dihydro-4,4-bis(trifluoromethyl)-2-phenyl-6,7-(4-chlorobenzo)[e]-1,3,2-dioxaphosphepin-5-one with chloral (1:2) proceeds with evolving hexafluoroacetone and gives spiro{2-oxo-4-trichloromethyl-4,5-dihydro-2-phenyl-6,7-(4-chlorobenzo)[f]-1,3,2-dioxaphosphepine-5,2'-(3-trichloromethyl)oxirane) with a high stereoselectivity. Configuration of the four chiral centres (p(S)(2)C(S)(4)C(S)(5)C(S)5C(S)(3)'/(PRCRCRCR3)-C-2-C-4-C-5') was determined by a single crystal X-ray diffraction.
引用
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页码:44 / 46
页数:3
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