The procedure is conceptually and experimentally simple and provides the essentially pure products in high yield. We are presently elaborating these diether diols, and di- thioether diols, into substituted crown ether compounds and/or to crowns bearing both oxygen and sulfur donor atoms. ... Acknowledgment. We thank the National Institutes of Health [NIGMS-MARC (GM 08228) and MBRS-DRR (SO6 RR-08101)] for support of this work. 3, 102-52-3; 4, 4405-17-8; 5, ...
