%0 Journal Article
%T New and Facile Synthesis of Substituted Pyrrole, Pyridine, Pyrazolo[4,3-b] Pyridine, Pyrano[3,2-c] Quinoline,  Napthopyran, Naphthodipyran and  Coumarin Derivatives
%A F. M. A. El-Taweel
%A A. A. Elagamey
%J International Journal of Organic Chemistry
%P 58-70
%@ 2161-4695
%D 2013
%I Scientific Research Publishing
%R 10.4236/ijoc.2013.31007
%X <span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\">Several new pyrazolo[4,3-</span><i><span style=\"font-family:Verdana;\">b</span></i><span style=\"font-family:Verdana;\">] pyridines </span><span style=\"font-family:Verdana;\">7a</span><span style=\"font-family:Verdana;\">,</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"font-size:10pt;font-family:Verdana;\">b</span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\"> were prepared by reacting arylidenemalononitriles </span><span style=\"font-family:Verdana;\">1a</span><span style=\"font-family:Verdana;\">,</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"font-size:10pt;font-family:Verdana;\">c </span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\">or</span><span style=\"font-family:Verdana;\"> 1i</span><span style=\"font-family:Verdana;\">,</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"font-size:10pt;font-family:Verdana;\">j </span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\">with 4-nitrosoantipyrine </span><span style=\"font-family:Verdana;\">4</span><span style=\"font-family:Verdana;\">.</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\">Reacting </span><span style=\"font-family:Verdana;\">1a</span><span style=\"font-family:Verdana;\">,</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"font-size:10pt;font-family:Verdana;\">b</span><span style=\"font-size:10pt;font-family:Verdana;\">,</span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"font-size:10pt;font-family:Verdana;\">d</span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span style=\"font-family:Verdana;\">with 4-azidomethylcarbonylantipyrine </span><span style=\"font-family:Verdana;\">8 </span><span style=\"font-family:Verdana;\">give 2-aminopyrrole </span><span style=\"font-family:Verdana;\">14</span><span style=\"font-family:Verdana;\">. Pyrano[3,2-</span><i><span style=\"font-family:Verdana;\">c</span></i><span style=\"font-family:Verdana;\">]</span></span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"> </span><span style=\"FONT-SIZE: 10pt; FONT-FAMILY: \" ?=\"\"><span
%K Pyrrole
%K Pyridine
%K Pyrazolo[4
%K 3-b] Pyridine
%K Pyrano[3
%K 2-c] Quinoline
%K Naphthopyran
%K Naphthodipyrans and Coumarin
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=29090