Photochemistry of dibenzo-1, 1, 2, 2-tetramethyl-1, 2-disilacyclohexa-3, 5-diene and the germanium analog. Exclusive extrusion of the divalent species

M Kira, K Sakamoto, H Sakurai

Index: Kira,M.; Sakamoto,K.; Sakurai,H. Journal of the American Chemical Society, 1983 , vol. 105, p. 7469

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Citation Number: 40

Abstract

16, M= Si 17, M= Gc was obtained in 56% yield together with 6 (31%) and a dibenzotrigermacycloheptatriene (17)(1.7%) when 1, 2-dichloro-1, 1, 2, 2-tetra- methyldigermane is used as a metal dichloride. The photoreaction of 16 and 17 will be reported in a forthcoming paper. 1: white crystals; mp 61 OC; MS, m/e 268 (M', 36), 253 (20), 195 (100); IH NMR (CCI4) 6 0.23 (s, 12 H), 7.1-7.5 (m. 8 H); 13C NMR (CDCI,) 6-5.40, ...

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