The synthesis of 2-aryl/alkyl benzofurans by intramolecular photochemical Wittig reaction is realized by photochemical response. There are less more by-items from the response and will be managed although the response also meets the environmentally friendly chemical necessities, even so the compound generate is fairly lower On this response (Scheme 4).108 https://picamilon27936.blogpixi.com/30108439/details-fiction-and-fasoracetam