A 2:1 adduct of hitherto unknown structure results from heating methyl propiolate and 2-isopropenyl-6-methoxybenzofuran. We describe a series of chemical and NMR spectroscopic studies which elucidate the structure of this material, and propose a mechanism for its formation.
迄今未知结构的2:1加合物是由加热
丙炔酸甲酯和2-异
丙烯基-
6-甲氧基苯并呋喃产生的。我们描述了一系列
化学和NMR光谱研究,阐明了这种材料的结构,并提出了其形成机理。