oxonium; magnesium in tetrahydrofuran Sonication; 1. THF/I; 2. H3O(1+), supersonic wave; according to: V. Percec, T. K. Bera, B. B. De, Y. Sanai, J. Smith, M. N. Holerca, B. Barboiu, R. B. Grubbs, J. M. J. Frechet, J. Org, Chem. 66 (2001) 2104;
n-butyllithium in tetrahydrofuran N2; BuLi dropping into org. compd. soln. at -78°C, mixt. keeping 3 h, B-compd. soln. addn. dropwise at -78°C, mixt. allowing to warm to room temp. overnight , stirring 1 h with 10percent HCl, extn. (Et2O); org. extracts washing (water), drying, solvent vac. removal;
参考文献
Imrie, Christopher; Loubser, Christa; Engelbrecht, Pieter; McCleland, Cedric W.
Journal of the Chemical Society - Perkin Transactions 1, 1999 , # 17 p. 2513 - 2523