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ChemInform Abstract: Titanocene(II)-Promoted Reaction of Thioacetals with Alkynes: Highly Stereoselective Preparation of Conjugated Dienes.

✍ Scribed by T. TAKEDA; H. SHIMOKAWA; Y. MIYASHI; T. FUJIWARA

Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Titanocene(II)-Promoted Reaction of Thioacetals with Alkynes: Highly Stereoselective Preparation of Conjugated Dienes.

-Reaction of titanium species, prepared by desulfurizative titanation of thioacetals (I), with symmetrical alkynes (II) affords the conjugated dienes (III) in good yields. When an unsymmetrical alkyne is used, the reaction proceeds with mixed regioselectivity. -(TAKEDA, T.;

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