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B,B-Dihaloalkylboranes as efficient reagents for the stereoselective synthesis of syn-aldols

✍ Scribed by P Veeraraghavan Ramachandran; Wei-chu Xu; Herbert C Brown


Book ID
104256193
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
290 KB
Volume
38
Category
Article
ISSN
0040-4039

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B,B-dihaloterpenylboranes as reagents fo
✍ P.Veeraraghavan Ramachandran; Wei-chu Xu; Herbert C. Brown πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 254 KB

A series of known and new B,B-dihaloterpenylboranes, readily synthesized from the corresponding terpenes, were examined for the diastereo-and enantioselective synthesis of syn-aldols. Thus, IpcBCl 2, EapBCl2, LgfBCl2, cis-MyrBCl2, 2-IcrBC12, 4-IcrBCl2, and 2-IcrBBr 2 in the presence of i-Pr2NEt, con