Tetrahedron

Synthesis of tanshinones

M Tateishi, T Kusumi, H Kakisawa

Index: Tateishi,M. et al. Tetrahedron, 1971 , vol. 27, p. 237 - 244

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Citation Number: 21

Abstract

... The organic layer was washed with NaHCOiaq and then with water. The solvent was evaporated under reduced pressure and the residue was dried in vacuum to afford IX, which was directly converted into X. A mixture of IX and 10% Pd-C (40 g) was heated in a metal bath at 280 to 290under N; for 3 hr. ... (C) (1968), p. 48. 11. H. Kakisawa, M. Tateishi, T. Kusumi, H. Kakisawa, Y. Inouye, H. Kakisawa, Y. Inouye. Tetrahedron Letters (1968), p. 3783 Chem. ...