O. Tempkin et al., BETA-BUTYROLACTONE AS A CHIRAL BUILDING-BLOCK IN ORGANIC-SYNTHESIS - A CONVENIENT SYNTHESIS OF MK-0507 KETO SULFONE, Tetrahedron : asymmetry, 7(9), 1996, pp. 2721-2724
The nucleophilic ring opening of (R)-beta-butyrolactone 2 with 2-thiop
henethiolate is the key step in a straightforward stereospecific synth
esis of keto sulfone 1, a precursor to carbonic anhydrase inhibitor MK
-0507. Copyright (C) 1996 Elsevier Science Ltd