TY - BOOK AU - Mckenna,E.G. AU - Walker,B.J. TI - The stereochemistry of Wittig reactions of ylide-anions derived from semi-stabilized phosphonium ylides N2 - Ylide-anions derived from a variety of benzylphos honium salts react with one or two equivalents of benzaldehyde to stilbene. Reactions of these ylide-anions with one equiva ent of aldeh B UR - https://drive.google.com/file/d/1uAW3c8q3dp2Q7cgTZHiL1zkur3bCaQzz/view?usp=drivesdk ER -