1304 HELVETICA CHIMICA ACTA - Vol. 54, Fasc. 5 (1971) - Nr. 133 ... 133. Tetrakis-triphenylphosphin-platin(O), ein Katalysator zur selektiven Hydrosilylierung von Walter Fink lWonsanto Reseavch SA . , Eggbuhlstrasse 36, 8050 Zurich (5. V. 71) ... Summary. Tetrakis-triphenylphosphine-platinum(0) catalyses selectively the addition of silane to terminal olefinic double bonds. Neither hydrosilylation of internal double bonds nor isomerisations ...