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A simple route to chiral carbohydrate-cyclopentadienyl and -indenyl ligands

✍ Scribed by Richard Lai; Sandrine Martin

Book ID: 103977646
Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 194 KB
Volume: 7
Category: Article
ISSN: 0957-4166
DOI: 10.1016/0957-4166(96)00361-8

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✦ Synopsis

Trifluoromethanesulfonates derived from acetal protected ct-Dgalactopyranose 1 e and ct-D-glucofuranose 3e react with cyclopentadienyl and indenyl lithium to give optically active carbohydrate-substituted cyclopentadienes 2a and 4a and indenes 2b and 4b in good to moderate yields; because of the double bonds tautomerism of the cyclopentadiene unit 2a and 4a have been characterised as their cyclopentadienyi molybdenum complexes 6 and 7 and the X-ray structure of 7 is reported.

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