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. 2021 Dec 9;25(12):2679–2685. doi: 10.1021/acs.oprd.1c00219

Table 2. Recrystallization of Crude Product 6 in Different Solvents.

entry solvent solvent (V) % mass recoverya wt % purityb
1 chlorobenzene 10 53 98
2 CPME 10 23 97
3 anisole 10 30 69
4 toluene/chlorobenzene (1:1) 5 61 96
5 toluene 10 84 82
6 i-PrOAc 2.5 66 98
7 CH3CN 2.5 64 96
a

Adjusted to purity.

b

By qNMR.