
Journal of Organic Chemistry p. 21 - 28 (1993)
Update date:2022-07-30
Topics:
Pawda, Albert
Kinder, Frederick R.
A series of 2-alkynyl 2-diazo-3-oxobutanoates, when treated with a catalytic quantity of rhodium(II) acetate, were found to produce furo<3,4-c>furans in good yield.The reaction proceeds by addition of a rhodium-stabilized carbenoid onto the acetylenic ?-b
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