CATALYTIC TRANSITION METAL HYDRIDES IN THE ABSENCE OF EXTRANEOUS HYDROGEN: STUDIES OF HYDROGEN TRANSFERS IN THE REACTIONS OF DIPHENYLACETYLENE WITH (A) METHYL‐ OR BENZYLMAGNESIUM CHLORIDE AND TRIS(TRIPHENYLPHOSPHINE)COBALT CHLORIDE (Ph3P)3CoCl AND (B) TRIS(TRIPHENYLPHOSPHINE)METHYL COBALT (Ph3P)3CoCH3* | Publicación