tetrahedron

1) Kau-Ming Chen et al., Tetrahedron Letters, Vol. 28, nO 2, 1987, et

(1) Kau-Ming Chen et al., Tetrahedron Letters, Vol. 28, No. 2, 1987 and

1993, 58 , 5528) et de Rhodotorula glutinis (C.A.G.M. Weijers, A.L. Botes, M. S. van Dyk, J.A.M. de Bont, Tetrahedron Asymm.

1993, 58, 5528) and Rhodotorula glutinis (C. A. G. M. Weijers, A. L. Botes, M. S. van Dyk, J. A. M. de Bont, Tetrahedron Asymm.