期刊
CHEMICAL COMMUNICATIONS
卷 48, 期 43, 页码 5373-5375出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc31347b
关键词
-
资金
- NIH [R01GM071779, P41GM081282]
An array of N-tosylated alpha-aminoalkylallenic esters was prepared and their cyclization under the influence of nucleophilic phosphine catalysts was explored. The alpha-aminoalkylallenic esters were prepared through aza-Baylis-Hillman reactions or novel DABCO-mediated decarboxylative rearrangements of allenylic carbamates. Conversion of these substrates to 3-carbethoxy-2-alkyl-3-pyrrolines was facilitated through Ph3P-catalyzed intramolecular gamma-umpolung addition.
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