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. 2017 Jan 12;2(1):91–97. doi: 10.1021/acsomega.6b00479

Table 3. Yield and e.e. of the Alkylation of 1 with 2 in the Presence of PTC.

entry catalyste medium yield (%) e.e. (%) (S–R)
IXa TBAH water/CH2Cl2 78  
Xb PTC-1 water/hexane 75 –66
XIb PTC-2 water/hexane 85 64
XIIc PTC-3 water/hexane 34 –21
XIIIc PTC-4 water/hexane 73 –79
XIVd PTC-5 water/hexane 98 –99
a

See ref (9) for detailed information.

b

See ref (17) for detailed information.

c

See ref (11) for detailed information.

d

See ref (16) for detailed information.

e

See Figure S4 for chemical structures.