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Secoestrone aldehydes

Reaction of secoestrone aldehyde 306 with half an equivalent of hydrazine hydrate led to aldazine 307, which undergoes a criss-cross reaction in the presence of BF3-OEt2 to furnish a decacyclic pyrazolidine derivative 308 in 74% yield (Scheme 44) <2002T6843>. [Pg.411]

See other pages where Secoestrone aldehydes is mentioned: [Pg.181] [Pg.181] [Pg.181] [Pg.181]

See also in sourсe #XX -- [ Pg.181 ]

See also in sourсe #XX -- [ Pg.181 ]