STERICALLY HINDERED ORGANOTIN COMPOUNDS .3. THE REACTION BETWEEN DI-TERT-BUTYLTIN OXIDE AND ORGANOBORONIC ACIDS

被引:30
作者
BROWN, P [1 ]
MAHON, MF [1 ]
MOLLOY, KC [1 ]
机构
[1] UNIV BATH, SCH CHEM, BATH BA2 7AY, AVON, ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1992年 / 24期
关键词
D O I
10.1039/dt9920003503
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reaction between (But2SnO)3 and BR(OH), [R = Ph or 2,4,6-Me3C6H2 (mes)] has been investigated and found to yield two classes of product. The first is a boron-rich species, cyclo-But2SnO(RBO)2, which exists alongside its acyclic hydrolysis product SnBut2[OB(OH)R]2. The second product, which is tin-rich, SnBut2(OH)2[(But2SnO)2OBR]2, can be formulated as cyclo-RBO(But2SnO)2 chelated across one Sn-O-Sn unit by a molecule of SnBut2(OH)2. The crystal and molecular structures of SnBut2[OB(OH)Ph]2 and SnBut2(OH)2[(But2SnO)2OBC6H2Me3-2,4,6]2.2MeCN have been determined.
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页码:3503 / 3509
页数:7
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