[PDF][PDF] Utility of cyanoacetic acid hydrazide in heterocyclic synthesis

S Bondock, AEG Tarhoni, AA Fadda - Arkivoc, 2006 - arkat-usa.org
Utility of cyanoacetic acid hydrazide in heterocyclic synthesis Page 1 General Papers ARKIVOC
2006 (ix) 113-156 ISSN 1424-6376 Page 113 ©ARKAT Utility of cyanoacetic acid hydrazide in …

Synthesis of Tri‐ or Tetrasubstituted Pyrimidine Derivatives through the [5+1] Annulation of Enamidines with either N,N‐Dimethylformamide Dialkyl Acetals or Orthoesters and …

T Sasada, Y Aoki, R Ikeda, N Sakai… - … –A European Journal, 2011 - Wiley Online Library
Abstract The [5+ 1] annulation of enamidines, which were prepared from functionalized
silanes, organolithium compounds and two nitriles, with N, N‐dimethylformamide dialkyl …

Unexpected products of the reaction of cycloalkylidene (cyano) thioacetamides with arylmethylenemalononitriles: a different novel synthetic route to condensed …

GEH Elgemeie, HA Regaila, N Shehata - Journal of the Chemical …, 1990 - pubs.rsc.org
A novel synthesis of condensed 3-cyanopyridine-2 (1H)-thiones and condensed carbocyclic
nitrile derivatives utilizing arylmethylene (cyano) thioacetamides and …

Activated nitriles in heterocyclic synthesis. Part III. Synthesis of N‐amino‐2‐pyridone, pyranopyrazole and thiazolopyridine derivatives

MRH Elmoghayar, AGA El‐Agamey… - Journal of …, 1984 - Wiley Online Library
The reaction of 2‐cyanoethanoic acid hydrazide and arylidenemalononitrile was studied as
a new route for the synthesis of N‐amino‐2‐pyridones. Pyrano [2, 3‐c] pyrazole and thiazolo …

Dehydrogenation of 6-azaquinazoline derivatives. Formation of unexpected quinonediimine intermediates

I Huber, F Fülöp, J Lázár, G Bernáth… - Journal of the Chemical …, 1992 - pubs.rsc.org
2, 6-Disubstituted 5, 6, 7, 8-tetrahydropyrido [4, 3-d] pyrimidin-4 (3H)-one (6-azaquinazoline)
derivatives 7a–e were synthesized from N-substituted 3-methoxycarbonyl-4-piperidones 5a …

Studies with polyfunctionally substituted heteroaromatics: New routes for the synthesis of polyfunctionally substituted pyridines and 1, 2, 4‐triazolo [1, 5‐a] pyridines

F Al‐Omran, MMA Khalik, MH Elnagdi - Heteroatom Chemistry, 1995 - Wiley Online Library
Abstract The 1‐substituted ethylidenemalononitriles 1a–c condensed with triethyl
orthoformate in refluxing acetic anhydride to yield the dienes 2a–c. On the other hand, a …

[PDF][PDF] Nitriles in heterocyclic synthesis: Synthesis of some new pyridine, pyridazine, and pyrimidine derivatives

MH Mohamed, NS Ibrahim… - …, 1987 - triggered.edinburgh.clockss.org
NITRILES IN HETEROCYCLIC SYNTHESIS: SYNTHESIS OF SOME NEW PYRIDINE,
PYRlDAZlNE AND PYRIMIDINE DERIVATIVES Mona Hassan Mohamed, N Page 1 …

Studies on Heterocyclic Enamines: New Synthesis of Pyrano [2, 3-b] pyndine, Pyrano [2, 3-d] pyrimidine and Pyrano [2, 3-c] pyrazole Derivatives

NM Abed, NS Ibrahim, MH Elnagdi - Zeitschrift für Naturforschung B, 1986 - degruyter.com
Studies on Heterocyclic Enamines: New Synthesis of Pyrano[2,3-b]pyndine, Pyrano[2,3-d]pyrimidine
and Pyrano[2,3-c]pyrazole Deriv Page 1 Studies on Heterocyclic Enamines: New Synthesis …

Reactions of aromatic methyl ketimines with halonitriles as a new route to pyrimidines with two polyhaloalkyl groups

VY Sosnovskikh, BI Usachev, GV Röschenthaler - Tetrahedron, 2002 - Elsevier
N-Isopropyl-(1-phenylethylidene) amine reacts with trichloroacetonitrile to give 1-
azabutadiene derivative, which undergoes a double addition reaction with a variety of …

A novel synthesis of heterocyclic β-enaminoamides: The reaction of halomethyl acet-p-toluidide with isothiocyanates and with isocyanates

NS Ibrahim, KU Sadek, SI Aziz… - … für Naturforschung B, 1985 - degruyter.com
A Novel Synthesis of Heterocyclic /?-Enaminoamides: The Reaction of Halomethyl Acet-p-toluidide
with Isothiocyanates and with Is Page 1 Notizen 129 A Novel Synthesis of Heterocyclic /?-Enaminoamides …