Reactions of Benzoylisothiocyanate with Acetoacetanilide: Synthesis of Pyrazole, Pyridine, Pyrimidine, Pyrazolo[3,4-d]pyrimidine, Pyrazolo[4,3-d]pyrimidine and Pyrido[4,3-d]oxazine Derivatives
Reactions of Benzoylisothiocyanate with Acetoacetanilide: Synthesis of Pyrazole, Pyridine, Pyrimidine, Pyrazolo[3,4-d]pyrimidine, Pyrazolo[4,3-d]pyrimidine and Pyrido[4,3-d]oxazine Derivatives