Table 2.

Propargylic substitution reactions of 1,3-diphenyl-2-propyn-1-ol with various nucleophilic compounds using PMA@MSS@FeCo/GC ^a

Entry	Substrate	Product	Conversion (%) b
1			100
2			99
3			94
4			75
5			67
6			93
7			76
8			31
9			79

^aReaction conditions: 1,3-diphenyl-2-propyn-1-ol (0.19 ml, 1.0 mmol), nucleophile (1.2 mmol), acetonitrile (5.0 mL), catalyst (0.05 mol%), and time ( 30 min). ^bDetermined by ¹H NMR spectroscopy. Yields are based on the amount of propargylic alcohol.