| Literature DB >> 21615101 |
Simon Kim1, Marco A Ciufolini.
Abstract
5-tert-Butoxycarbonylamino-5-carbethoxy-2-tert-butyldimethylsilyloxy-cyclopentadiene undergoes a Diels-Alder reaction exclusively from the face syn to the nitrogen functionality. Complete reversal of facial bias may be achieved, but at the cost of diminished reactivity, through steric shielding of the N-syn face.Entities:
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Year: 2011 PMID： 21615101 DOI： 10.1021/ol201236j
Source DB: PubMed Journal: Org Lett ISSN： 1523-7052 Impact factor: 6.005