Unusually stable pyrazolate-bridged dialuminum complexes containing bridging methyl groups [22]

Journal of the American Chemical Society

Volumn 122, Issue 38, 2000, Pages 9338-9339

  Yu, Zhengkun ^a   Wittbrodt, Joanne M ^a   Heeg, Mary Jane ^a   Schlegel, H Bernhard ^a   Winter, Charles H ^a  

^a WAYNE STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

3,5 DI TERT BUTYLPYRAZOLE; 3,5 DIPHENYLPYRAZOLE; ALUMINUM DERIVATIVE; METAL COMPLEX; METHYL GROUP; PYRAZOLATE; PYRAZOLE DERIVATIVE; TRIMETHYLALUMINUM; UNCLASSIFIED DRUG;

CHEMICAL STRUCTURE; COMPLEX FORMATION; LETTER; MOLECULAR MODEL; MOLECULAR STABILITY; REACTION ANALYSIS; STOICHIOMETRY;

EID: 0034721451     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja001822z     Document Type: Letter

References (38)

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18. If less trimethylaluminum was used, the dimeric complexes 3 and 4 were observed in varying proportions along with 1 and 2. Use of ≥4.0 equiv of trimethylaluminum led to exclusive formation of 1 and 2.
19. Spectroscopic and analytical data for 1-4 are presented in the Supporting Information.
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38. 3 is 20.2 kcal/mol at 100-150 °C in the gas phase: Laubengayer, A. W.; Gilliam, W. F. J. Am. Chem. Soc. 1941, 63, 477.