Synthesis of deepoxy-4,5-didehydromethylenomycin A (cas 52775-76-5) and methylenomycin A (cas 52775-76-5) methyl esters
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Add time:07/12/2019 Source:sciencedirect.com
[±]-Deepoxy-4,5-didehydromethylenomycin A (cas 52775-76-5) methyl ester 8 and [±]-methylenomycin A methyl ester 9 are synthesized from anthracene adduct 2 via a common intermediate 13. Flash vacuum pyrolysis of adduct 13 gives 8, while stereospecific epoxidation of 13 followed by pyrolysis yields 9.
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