Sustmann's equation gives insight into the slower intramolecular reactivity of 4-alkyl-2-(3-butenyl)-1, 2-dihydropyrldines – relative to the parent . Steric effects are inconsistent with the observed rate data.
Sustmann的方程给出洞察4-烷基-2-(3-
丁烯基)的分子内较慢的反应性-1,2- dihydropyrldines -相对于父。立体效应与观察到的速率数据不一致。