Highly stereocontrolled syntheses of 2, 3-disubstituted 1, 4-butyrolactones using ionic and free radical reactions

S Hanessian, B Vanasse, H Yang…

Index: Canadian Journal of Chemistry, , vol. 71, # 9 p. 1407 - 1411

Full Text: HTML

Citation Number: 13

Abstract

... in asymmetric processes in virtually all facets of preparative organic chemistry where chirality is an issue (1). Efforts in the area of amino acid chemistry (2) have ... VOL. ... 1 H, d, J = 4 HZ, H-2), 4.10 (lH, dd, J ,,,,, 10 Hz and J4,, = 3 Hz, H-4), 4.25 (IH, dd, J, .,,, 10 Hz and J,,, = 4 HZ ...