Tetrahedron Letters
Volume 29, Issue 48, 1988, Pages 6211-6214, M. M. Ponpipom, R. L. Bugianesi and J. C. Chabala, "Enantioselective cyclization of chiral butane-1,4-diols to chiral tetrahydrofurans: synthesis of chiral trans-2-(3-methoxy-5-methylsulfonyl-4-propoxyphenyl)-5-(3,4,5-trimethoxyphenyl)tetrahydrofuran (L-659,989), a potent PAF-receptor antagonist"
- DOI:
http://dx.doi.org/10.1016/S0040-4039(00)82307-2