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Polymerization of monosubstituted acetylenes catalyzed by 2,6-dimethylphenoxo complexes of Group 5 and 6 metals

✍ Scribed by Nakayama, Yuushou; Mashima, Kazushi; Nakamura, Akira

Book ID
118063857
Publisher
American Chemical Society
Year
1993
Tongue
English
Weight
722 KB
Volume
26
Category
Article
ISSN
0024-9297

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## Abstract Asymmetric hetero-Diels-Alder (HDA) reactions of aromatic aldehydes with Danishefsky’s diene derivative were carried out smoothly in the presence of the Ti(IV)-(R)-BINOL (1:1.2) complex to give the corresponding chiral 2,6-disubstituted dihydropyrones under mild conditions. The readily