p. 1279 - 1292
(1996)1,1'-Thiocarbonyldiimidazole
(1S,2S,4S,5R)-4-Hydroxymethyl-2,5-dimethyl-3-oxa-bicyclo[3.2.0]heptan-2-ol
(+)-(1S,2S,4S,5R)-2,5-dimethyl-4-pivaloyloxymethyl-3-oxabicyclo<3.2.0>heptan-2-ol
(+)-(1S,4S,5R)-5-methyl-4-pivaloyloxymethyl-3-oxabicyclo<3.2.0>heptan-2-one