期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2015, 期 5, 页码 1092-1099出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201403452
关键词
Homogeneous catalysis; Cycloaddition; Cyclization; Nitrogen heterocycles; Alkynes; Rhodium
资金
- ACT-C, Japan Science and Technology Agency (JST, Japan)
- Grants-in-Aid for Scientific Research [26102004] Funding Source: KAKEN
The convenient and atom-economical synthesis of substituted bicyclic pyridylphosphonates has been achieved by the cationic rhodium(I)/H8-binap-complex-catalyzed [2+2+2] cycloaddition of 1,6- and 1,7-diynes with diethyl phosphorocyanidate. These reactions may proceed via an azarhodacyclopentadiene intermediate in addition to the rhodacyclopentadiene intermediate.
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