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A new methodology for the synthesis of -substituted -unsaturated -lactones
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Life Sciences
Abstract:
A new protocol for the synthesis of -substituted--unsaturated -lactones was developed. Selective reaction of 1,3-dilithiopropyne with ketones, followed by addition of ethyl chloroformate formed ethyl 5-[(ethoxycarbonyl)oxy]-5-substituted-2-ynoates, used as the basic framework for the synthesis of -substituted -unsaturated--lactones.
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