thermal elimination of acetic acid to give the o-quinodimethane 3. In solution this can be intercepted in Diels-Alder reactions but under flash pyrolytic conditions naphthalene-2-thiol is formed by electrocyclisation and fragmentation.
                                    对α-(2-苯基-
4-甲基噻唑-5-基)-α-苯基甲基
乙酸酯2进行
乙酸的热消除,得到邻
喹啉二
甲烷3。在溶液中,这可以在Diels-Alder反应中截获,但在快速热解条件下,
萘2-
硫醇通过电环化和断裂形成。