... The homopolymer of 1 has a low molecular weight, it is soluble in organic solvents, and it is resistant to hy- drolysis. ... (16) .4. G. Davies in “Progress in Boron Chemistry,” Vol 1, H. Steinberg and A. L. RlcCloskey, Ed.. ... (18) TD Coyle, SL Stafford, and F. G. A. Stone, J . Chem. ...