Photoinduced Reactions of Tri-tert-butylindium with (Diethylamino)trimethylstannane and (Di-n-butylamino)trimethylstannane.
The preparations of [(t-Bu)(2)InNEt(2)](2) and [(t-Bu)(2)InN(n-Bu)(2)](2) by the photoinduced reactions of (t-Bu)(3)In with Et(2)NSnMe(3) and (n-Bu)(2)NSnMe(3), respectively, have been investigated. The isolation and characterization of products other than [(t-Bu)(2)InNR(2)](2) in these reactions clearly indicate that the reactions of (t-Bu)(3)In with R(2)NSnMe(3) do not proceed by simple alkyltrimethyltin elimination. A possible radical mechanism for the formation of the byproducts has been suggested. X-ray crystallographic studies indicate that both compounds are dimeric in the solid state. Crystallographic data: for [(t-Bu)(2)InNEt(2)](2), orthorhombic space group Pbca (No. 61), a = 19.135(7) Å, b = 19.670(6) Å, c = 15.793(7) Å, V = 5944.41(5) Å(3), rho(calcd) = 1.346 g cm(-)(3); for [(t-Bu)(2)InN(n-Bu)(2)](2), triclinic space group P&onemacr; (No. 2), a = 11.943(2) Å, b = 15.790(1) Å, c = 10.711(3) Å, alpha = 98.60(1) degrees, beta = 103.54(2) degrees, gamma = 94.85(1) degrees, V = 1926 Å(3), rho(calcd) = 1.232 g cm(-)(3). Mass spectrometry data indicate that both compounds exist as dimers in the gaseous state.
Freeman
Daniel L.
DL
Departments of Chemistry, University of South Carolina, Columbia, South Carolina 29208, and Davidson College, Davidson, North Carolina 28036.
Odom
Jerome D.
JD
Nutt
W. Rodger
WR
Lebioda
Lukasz
L