Novel 5-(4-Substituted-phenyldiazenyl)-1,3,24-oxazaborines and Their Rearrangement to 1,2,4,3<img src="http://pubs.acs.o
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- 作者：Marké ; ta Pe<img src="http ; //pubs.acs.org/images/entities/scaron.gif" border="0">ková ; Petr <img src="http ; //pubs.acs.org/images/entities/Scaron.gif" border="0">im<img src="http ; //pubs.acs
- 刊名：Organometallics
- 出版年：2006
- 出版时间：April 10, 2006
- 年：2006
- 卷：25
- 期：8
- 页码：2025 - 2030
- 全文大小：118K
- 年卷期：v.25,no.8(April 10, 2006)
- ISSN：1520-6041
文摘
The reaction of substituted benzenediazonium tetraphenylborates with the <IMG SRC="/images/gifchars/beta2.gif" BORDER=0 ALIGN="middle">-enaminones derived frompentane-2,4-dione, 1-phenylbutane-1,3-dione, and 1,4-diphenylbutane-1,3-dione with a primary orsecondary (N-methyl, N-phenyl) amino group in CH2Cl2 gives 5-(substituted-phenyldiazenyl)-2,2-diphenyl-4,6-disubstituted-1,3,2
4-oxazaborines or 5-(substituted-phenyldiazenyl)-2,2-diphenyl-3,4,6-trisubstituted-1,3,24-oxazaborines, respectively. The reaction intermediate of these compounds has been identified,and a mechanism for the reaction has been suggested. Substituted 1,3,24-oxazaborines gradually rearrangeinto 1,2,4,34-triazaborines at temperatures above 100 
ntities/deg.gif">C.
4-oxazaborines or 5-(substituted-phenyldiazenyl)-2,2-diphenyl-3,4,6-trisubstituted-1,3,24-oxazaborines, respectively. The reaction intermediate of these compounds has been identified,and a mechanism for the reaction has been suggested. Substituted 1,3,24-oxazaborines gradually rearrangeinto 1,2,4,34-triazaborines at temperatures above 100 ntities/deg.gif">C.