Tumor inhibitors. XXIX. Crotepoxide, a novel ... - ACS Publications

Tumor inhibitors. XXIX. Crotepoxide, a novel cyclohexane diepoxide tumor inhibitor from croton macrostachys. S. Morris Kupchan, Richard J. Hemingway, ...
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and310mp(e2200); nrnrl772.92(d,2,J= 7.5,0CH= CHCO) and 4.02 (d, 2, J = 7.5 Hz, OCH=CHCO).

6a X = = < g i c

5a Ri-H, Rz=SCH3,

5b R,=R~=HG, X=< 5c R,=Rp=H,

H

H X=