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Volumn 10, Issue 16, 2004, Pages 4073-4079

A general and versatile approach to thermally generated N-heterocyclic carbenes

Author keywords

Carbenes; Nitrogen heterocycles; Organic catalysis; Organometallic complexes

Indexed keywords

CARBENES; CHLOROFORM; TRANSESTERIFICATION;

EID: 4444278874     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/chem.200400196     Document Type: Article
Times cited : (180)

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    • CCDC-242948 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/ retrieving.html (or from the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; fax: (+44) 1223-336-033; or deposit@ccdc.cam.uk).
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    • See Supporting Information
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    • note
    • In contrast, heating 5 in excess pentaflurobenzene does not yield 4, but rather a mixture of unidentified products. Control experiments reveal that the carbene 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidzaol-2-ylidene leads to a similar mixture of products with no evidence for the formation of 4.
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    • note
    • A small amount (2.6 pmol) of crystalline 11 was added to keep the solution concentration of [11] constant during the kinetic runs. In the absence of added 11, the buildup and rapid crystallization of 11 interfered with the kinetic analysis.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.