STRUCTURE OF A METALLACYCLIC METALOXYCARBENE VANADIUM COMPLEX PREPARED FROM CPV(CO)(4)

被引：10
作者：
BERLEKAMP, M
ERKER, G
PETERSEN, JL
机构：
[1] UNIV MUNSTER,INST ORGAN CHEM,CORRENSSTR 40,W-4400 MUNSTER,GERMANY
[2] W VIRGINIA UNIV,DEPT CHEM,MORGANTOWN,WV 26506
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 458卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0022-328X(93)80461-J
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Treatment with (butadiene)hafnocene converted CpV(CO)4 into the metaloxycarbene vanadium complex 12, which was then trapped by coupling with cyclopentanone to give the nine-membered metallacyclic metaloxycarbene vanadium complex Cp2HfOC(C4H8)CH2CHCH=CH2C[=VCp(CO)3]O (13), the crystal structure of which was determined. Complex 13 contains a trans-configurated C=C double bond inside the medium-size ring system and is chiral. The vanadium-C(carbene) bond length is 2.086(5) angstrom and the short O(carbene)-C(carbene) distance of 1.282(6) angstrom indicates considerable acylmetallate character for this metaloxycarbene vanadium complex.
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页码：97 / 103
页数：7
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