Axially Dissymmetric Diphosphines in the Biphenyl Series: Synthesis of (6, 6′??Dimethoxybiphenyl??2, 2′??diyl) bis (diphenylphosphine)('MeO??BIPHEP') and …

R Schmid, J Foricher, M Cereghetti…

Index: Helvetica Chimica Acta, , vol. 74, # 2 p. 370 - 389

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Citation Number: 257

Abstract

... Page 4. HELVETICA CHIMICA ACTA - Vol. 74 (1991) 373 ... Thus, lithiation of the phosphine was taking place, at least to some extent, at C(4), rather than at the 'in-between' C(2)-atom3). Me0 PPh2 Me0 PPh2 Me0 P(0)" Ph2 Br II Li 0 11 12 13 n=O 14 n=l ...