Table 2.

Synthesis of 5-phenylmorphans 8b-j using substituted allyl halides 5b-i

entry	allyl halide	yield (%)	product
1		56
2		49
3		41
4		65
5		64
6		52
7		39a,b
8		60 (0)c
9		36d (31)e

^aDiastereomeric mixture.;

^b20% of 8f was also obtained.;

^cWhen the original reaction conditions (HCO₂H/H₃PO₄, 1:1) were used, the desired product was not obtained;

^dNot isolated - NMR and MS indicated product;

^eYield of the cyclized enamine 7i;

^fYield of 8j after reduction of 7j.