Title : A convenient preparation of the side-chain lactone ring of a withanolide precursor.

Pub. Date : 1989 Sep

PMID : 2588305






1 Functional Relationships(s)
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1 Condensation of C22 and C21 steroidal aldehydes with ethyl 4,6-dimethyl-2-oxo-2H-pyran-5-carboxylate 1 in alkaline medium, followed by decarboxylation, provides a simple route to the alpha, beta-unsaturated side-chain delta-lactone synthesis for a classical withanolide precursor. unsaturated TBL1X/Y related 1 Homo sapiens