Table 5. Effect of Different Zn⁰ Sources on Yield of 3a^a.

entry	Zn0 type/source	yield (%)b
1	>10 μm/Aldrich	82
2	6–9 μm/Alfa	86
3	–325 mesh (44 μm)/Alfa	76

^aSee Table 1 for conditions.

^bGC yield corrected vs dodecane internal standard.