Synthesis, structure and reactivity of the novel tetratin species bromoheptakis(2,6-diethylphenyl)cyclotetrastannabutane

Article abstract of DOI:10.1016/0022-328X(91)83251-X

Metallation of ArBr (Ar = 2,6-diethylphenyl) with Li powder in diethyl ether, followed by addition of stannous chloride at low temperature does not give the expected oligomeric diarylstannane but an essentially quantitative yield of the novel tetrastannab