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1-Azadienes as Regio- and Chemoselective Dienophiles in Aminocatalytic Asymmetric Diels–Alder Reaction

✍ Scribed by Ma, Chao; Gu, Jing; Teng, Bin; Zhou, Qing-Qing; Li, Rui; Chen, Ying-Chun


Book ID
124072718
Publisher
American Chemical Society
Year
2013
Tongue
English
Weight
307 KB
Volume
15
Category
Article
ISSN
1523-7060

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Oxidation with barium manganate of the enol of dicyanobenzoquinone of meso-17 yields (E)-7b and an isomer (77:23) which was assigned structure (Z)-7b on the tetraacetylethane (10) affords tetraacetylethylene (7a) in good yield. Treatment of the 1,3-diketones 15a and b with basis of spectroscopic evi