Page 1. Tetrahedron Letters,Vol.28,No.48,pp 6041-6044,1987 0040-4039/87 $3.00 + .oo Printed in Great Britain Pergamon Journals Ltd. ... have reported the hydrobo- ration of the N-benzyl derivative of the same P-pyrroline, by using an excess of the BH3-THF complex (8). R=H ...