Explanation: The steroselectivity of the wittig reaction is due in part to the choice of base and steric effects , but largely controlled by electronic effects. Stabilized ylides appear to form the Eisomer of the alkene product, whereas unstabilized ylides tend to form the z isomer as the major product.
Albert Bandura emphasized the interaction among behavior, conscious cognitive processes, and social experiences in his personality theory called social-cognitive theory.
