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8608985 
Journal Article 
Synthesis, Characterization, and Complexation of an Unusual P2Si2 Bicyclobutane with Butterfly‐Structure: 2,2,4,4‐Tetramesityl‐1,3‐diphospha‐2,4‐disilabicyclo[1.1.0]butane 
Driess, M; Fanta, AD; Powell, DR; West, R 
1989 
0 
Angewandte Chemie: International Edition in English
ISSN: 0570-0833 
28 
8 
1038-1040 
English 
Reaction of white phosphorus with dimesityldisilene in toluene at 40°C affords an 87% yield of the P2Si2 bicyclobutane 1, which reacts further with [(PPh3)2Pt(C2H4)] to give hetero[1.1.1]propellane 2. (Figure Presented.) Copyright © 1989 by VCH Verlagsgesellschaft mbH, Germany