Tetrahedron p. 2659 - 2670 (1999)
Update date:2022-08-05
Topics:
Lebrun, Stephane
Couture, Axel
Deniau, Eric
Grandclaudon, Pierre
The alkaloids (±)-cryptopleurine 1, (±)-antofine 2, and (±)- deoxypergularinine 3 were synthesized by Pictet-Spengler cyclization of the 2-arylmethylpiperidine and -pyrrolidines 4, 5 and 6 obtained by sequential N- deprotection-reduction of the parent ene
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