Journal of the Chemical Society. Chemical communications p. 791 - 792 (1994)
Update date:2022-08-30
Topics:
Xie, Hong
Lee, David A.
Senge, Mathias O.
Smith, Kevin M.
Reaction of a 2-unsubstituted pyrrole with acetic anhydride and stannic chloride unexpectedly promotes self-condensation to give symmetrical di(pyrrolyl)ethene as a side-product in 6-10percent yield, but overall yields of these 1,1-di(pyrrolyl)ethenes can be improved to 66percent using a rational alternate route; structure and chemistry of 1,1-di(pyrrolyl)ethenes 2 are discussed.
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