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Volumn , Issue 12, 1999, Pages 2004-2006

Tricarbonyl(dihydroazepinyl)chromium complexes and methylenepyrrolidines from (2'-dimethylaminoethenyl)carbenechromium complexes

Author keywords

Alkynes; Carbene complexes; Methylenepyrrolidines; Tricarbonyl(dihydroazepinyl)chromium complexes

Indexed keywords

CARBONYL DERIVATIVE; CHROMIUM DERIVATIVE; PYRROLIDINE DERIVATIVE;

EID: 0032757235     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1999-2960     Document Type: Article
Times cited : (15)

References (39)
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    • note
    • 2 by full matrix least-squares techniques (G. M. Sheldrick, SHELXL-93/97, Program for Crystal Structures Refinement, Universität Göttingen 1997). Crystallographic data (excluding structure factors) for the structures reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-125121 for 3 and CCDC-125120 for 13c. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK [Fax: int. code+44(1223)336-033; E-mail: deposit@ccdc.cam.ac.uk].
  • 30
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    • Such a migration of a tricarbonylchromium moiety has previously been observed in a β-amino-β-trimethylsilyl-substituted carbenechromium complex: M. Duetsch, F. Stein. A. de Meijere, Tetrahedron Lett. 1993, 34, 5875.
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    • Duetsch, M.1    Stein, F.2    De Meijere, A.3
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    • note
    • It is remarkable, that the reaction of 8 with sterically less demanding alkynes yields the two expected regioisomers in a ratio of nearly 1:1. In our experience all other dialkylaminoalkenylcarbenechromium complexes with such alkynes give the two regioisomers in ratios ranging from 7:1 to 1:0.
  • 39
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    • note
    • 2O (252.4): calcd C 71.38, H 11.18, N 11.10; found C 71.17, H 11.27, N 11.26.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.