摘要
Described is the optically pure synthesis of 5-((-)-bornyloxy)-3,4-dichloro-8(5H)-furanone 4band the novel tandem Michael addition-elimination reaction of 4b with a seriea of thiols to providecorresponding new chiral sowces 5a-e.
Described is the optically pure synthesis of 5-((-)-bornyloxy)-3,4-dichloro-8(5H)-furanone 4b and the novel tandem Michael addition-elimination reaction of 4b with a seriea of thiols to provide corresponding new chiral sowces 5a-e.