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Reduction of the isolated double bond in bis(N-alkenylbenzimidazole)Pd(II) complexes with KBH4

✍ Scribed by Christa Seipelt; Pilar López; Thomas Kirschgen; Andreas Dölle; Manfred D. Zeidler; Isabel Fonseca; Felix H. Cano; Ballesteros Paloma

Book ID: 104260618
Publisher: Elsevier Science
Year: 1999
Tongue: French
Weight: 234 KB
Volume: 40
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)02679-3

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✦ Synopsis

Palladium(II)-promoted vicinal diamination of N-alkenylbenzimidazoles has been investigated. Dichlorobis(1-(alkenyl)benzimidazole)palladium(ll) complexes were identified as initial reaction products which proved to be rather inert to the subsequent oxidative diamination required in the process. Instead, they were readily reduced by KBH4 to give the corresponding 1-alkylbenzazoles as the main reaction products. The crystal structure of the isolated complex trans-dichlorobis(l-(3-butenyl)benzimidazole)palladium(ll) was determined by X-ray diffraction analysis.

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