A total synthesis of methylenomycin B
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Add time:07/14/2019 Source:sciencedirect.com
A new synthesis of methylenomycin B (1) has been accomplished in four steps starting with a NI(CO)4 promoted cyclocondensation reaction of allyl chloride and 2-butyn-1-ol in MeOH, followed by hydrogenolysis of the resulting mixture to 2,3-dimethyl-5-methyl-oxycarbonylmethyl-2-cyclopentenone (3), which by hydrolysis and oxidative decarboxylation yielded 1.
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