93819-34-2Relevant articles and documents
The Effect of Base and Nucleophile on the Nucleophilic Substitution of Methoxytropone Derivatives: An Easy Access to 4- And 5-Substituted Multifunctional Azulenes
Kumar, Neha R.,Agrawal, Abhijeet R.,Choudhury, Aditya,Zade, Sanjio S.
, p. 9029 - 9041 (2020/08/14)
The nucleophilic substitution on 3-substituted 2-methoxytropones to form azulenes is dependent on the nucleophile and base employed. With bulkier nucleophiles (ethyl/methyl cyanoacetate), the reaction proceeds with the abnormal nucleophilic substitution i