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Asymmetric Reactions of 2-Methoxy-1,4-benzoquinones with Styrenyl Systems: Enantioselective Syntheses of 8-Aryl-3-methoxybicyclo[4.2.0]oct-3-en-2,5-diones, 7-Aryl-3-hydroxybicyclo[3.2.1]oct-3-en-2,8-diones, 2-Aryl-6-methoxy-2,3-dihydrobenzofuran-5-ols, and Pterocarpans

โœ Scribed by Engler, Thomas A.; Letavic, Michael A.; Iyengar, Rajesh; LaTessa, Kenneth O.; Reddy, Jayachandra P.


Book ID
121215778
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
483 KB
Volume
64
Category
Article
ISSN
0022-3263

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ChemInform Abstract: Asymmetric Reaction
โœ Thomas A. Engler; Michael A. Letavic; Rajesh Iyengar; Kenneth O. LaTessa; Jayach ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 44 KB ๐Ÿ‘ 1 views

The chiral titanium complex, derived from TiCl 4 , Ti(O-iPr) 4 , and dioxole (+)-PPD, effectively promotes the enantioselective formation of compounds (III)/(VII) and (V)/(IX) in good yields and high e.e. from (E)-alkene (II) and benzoquinones (I) or (VI). Compounds (IV)/(VIII), which are also forme