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Synthesis of Carbapenam Skeletons Using a Ruthenium-Catalyzed Cyclization

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posted on 2000-09-13, 00:00 authored by Miwako Mori, Yuji Kozawa, Mayumi Nishida, Makiko Kanamaru, Kiyoko Onozuka, Masanori Takimoto
Carbapenam is a very important skeleton of β-lactam antibiotics, and it has a highly strained structure. When enynes <b>9</b> were treated with RuH<sub>2</sub>CO(PPh<sub>3</sub>)<sub>3</sub> (10 mol %) in toluene upon heating, carbapenams<b> 10</b> were obtained in good yields.

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