A new synthesis to bis-butenolide derivatives from inexpensive divinylglycol is described, employing a sequential double acylation followed by a double ring-closing metathesis. The selectivity is affected by the choice of catalyst.
一种从廉价的二
乙烯甘油合成双
丁烯内酯衍
生物的新方法被报道,该方法采用连续的双酰化反应,随后进行双环化关环复分解反应。选择性受到催化剂选择的影响。