Title of article :
Synthesis of pyrazolo[1,5-a]pyridines by thermal intramolecular cyclization
Author/Authors :
Hoashi، نويسنده , , Yasutaka and Takai، نويسنده , , Takafumi and Kotani، نويسنده , , Etsuo and Koike، نويسنده , , Tatsuki، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2013
Abstract :
Thermal intramolecular cyclization of N-amino-2-alkynylpyridines was developed for facile and versatile synthesis of pyrazolo[1,5-a]pyridines. Simply heating N-amino-2-alkynylpyridines in acetic acid provided pyrazolo[1,5-a]pyridines in excellent yield.
Keywords :
Thermal intramolecular cyclization , Melatonin receptor agonist , 5-a]pyridine , N-Amino-2-alkynylpyridine
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
