The Polonovski–Potier Reaction of berbine (cas 131-10-2) N-Oxides. Synthesis of 8-Hydroxymethyl and 8-Methylberbine (cas 131-10-2)s

Add time:09/27/2019    Source:infona.pl

The Polonovski–Potier reaction of trans and cis berbine (cas 131-10-2)s N-oxides was studied. The 8-cyano derivative obtained from transN-oxides were used to synthesize 8-hydroxymethyl and 8-methyl berbines. This procedure was applied to the stereocontroled synthesis of (8R, 14S)-(−)-8-methylcanadine from (14S)-(−)-canadine.

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