128886-10-2Relevant academic research and scientific papers
Synthesis of 2-(Aminomethylene)-2H,3H-1-benzothiophene-3-one from 3-Bromo-4H-1-benzothiopyran-4-one as a New Donor-acceptor Chromophore
Nakazumi, Hiroyuki,Watanabe, Shigeru,Maeda, Katsumi,Kitao, Teijiro
, p. 679 - 682 (2007/10/02)
2-(Amino-substituted methylene)-2H,3H-1-benzothiophene-3-ones were prepared by ring contraction of 3-bromo-4H-1-benzothiopyran-4-one with amines, as a new donor-acceptor chromophore.The structure of 2-(N,N-dimethylaminomethylene) derivative was determined by X-ray crystallographic analysis.
