Table 3. Conjugate Addition Reactions of Secondary Alkyl Halides to Enones^a.

entry	enone	alkyl-X	product	yield (%)b
1				85
2c				83
3				90
4				85
5				88
6				85
7				81

^aConditions: alkyl-X (3 equiv), Zn powder (X = I) or Zn dust (X = Br) (4 equiv), TMEDA (2 equiv), 3 mol % [Cu], 5 mol % AuCl₃, 0.5 mL 2 wt %-TPGS-750-M/H₂O, rt, 24h.

^bIsolated, chromatographically purified.

^cTetraethyl derivative of TMEDA used.