Russian Chemical Bulletin p. 2304 - 2306 (1998)
Update date:2022-08-02
Topics:
Galin
Lakeev
Chertanova
Tolstikov
Intramolecular cyclization of ketostabilized sulfur ylide obtained from β-alanine and 2,3-pyridinedicarboxylic anhydride was studied. The structure of the reaction product, 5-methylthio-7,8-dihydro-4,8a-diazafluorene-6,9-dione, was established by X-ray diffraction analysis.
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