科研之友
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摘要
The development of a new class of hydrazide type organocatalyst, (4R, 5R)-1,3-bis(isopropylamino)4,5- dihenylimidazolidin-2-one 2a, for enantioselective Diels-Alder reactions between cyclopentadiene and alpha,beta-unsaturated aldehydes are presented. The new organocatalyst 2a promoted the reaction, affording Diels-Alder adducts in good yields with good levels of enantioselectivity.
- 出版日期2011
