722508-01-2Relevant academic research and scientific papers
Efficient synthesis of 2-alkylidene-4h-3,1-benzoxathiin-4-ones and determination of their double bond configuration
Shimizu, Masao,Yamanaka, Masaki,Ando, Wataru,Shimada, Shigeru,Konakahara, Takeo,Sakai, Norio
, p. 981 - 993 (2014)
2-Alkylidene-4H-3,1-benzoxathiin-4-ones were efficiently synthesized by reaction of 2-(acylthio)benzoic acids with condensation reagents in the presence of base. The E and Z isomers of the products were distinguished by comparison of the chemical shifts o
