Michael additions of dihydropyrimidines and 2-amino-1, 3, 4-thiadiazoles to α, β-ethylenic compounds: using polyethylene glycols as a green reaction media

X Wang, Z Quan, Z Zhang - Tetrahedron, 2007 - Elsevier
Polyethylene glycol (PEG) was found to be an inexpensive, non-toxic, and effective medium
for the Michael additions of 3, 4-dihydropyrimidines to α, β-ethylenic compounds to provide …

The efficient synthesis of 2-arylamino-2-imidazolines, 2-heteroaryl-substituted benzimidazoles, and their morpholin-4-ylmethyl derivatives

S Servi - South African Journal of Chemistry, 2002 - ajol.info
Heteroaryl-substituted 1H-benzimidazoles were synthesized in good yields by heating the
HSO3 adducts of heteroaromatic aldehydes with o-phenylenediamine in DMF under reflux …

Solvent-free synthesis of 2-furyl-5-aryloxyacetylamido-1, 3, 4-thiadiazoles under microwave irradiation

X Wang, Z Li, Z Quan, X Lu, R Gou - Synthetic communications, 2003 - Taylor & Francis
Full article: Solvent-Free Synthesis of 2-Furyl-5-aryloxyacetylamido-1,3,4-thiadiazoles
Under Microwave Irradiation Skip to Main Content Taylor and Francis Online homepage …

Synthesis of some mannich bases and novel benzofuran derivatives containing imidazo [2, 1-b][1, 3, 4] thiadiazoles as biological agents

VK Bhovi, YD Bodke - Current Chemical Biology, 2010 - ingentaconnect.com
An efficient route for the synthesis of 6-(1-benzofuran-2-yl)-2-phenyl imidazo [2, 1-b][1, 3, 4]
thiadiazole (4a-e), was achieved by the reaction of 1-(1-benzofuran-2-yl)-2-bromoethanone …

A Neat and Rapid Synthesis of 2‐Aryloxymethylene‐6‐Arylimidazo [2, 1‐b]‐1, 3, 4‐Thiadiazole Under Microwave Irradiation

X Wang, M Wang, Z Quan, Z Li - Synthetic communications, 2005 - Taylor & Francis
A neat and rapid procedure is reported for the synthesis of a variety of 2‐aryloxymethylene‐
6‐arylimidazo [2, 1‐b]‐1, 3, 4‐thiadiazole (3a–3r) by condensation reaction of 2‐amino‐5 …

Synthesis of unsymmetrical ureas with coumarin and thiadiazole ring under microwave irradiation

LQ Chai, HS Zhang, WK Dong… - Phosphorus, Sulfur, and …, 2010 - Taylor & Francis
A series of coumarin-3-yl substituted unsymmetrical ureas were synthesized by the reaction
of 3-coumarin isocyanate, which was prepared from 3-coumarinyl azide by Curtius …

[PDF][PDF] 2-(2, 4-Dichlorophenyl)-3-[5-(4-methoxyphenyl)-1, 3, 4-thiadiazol-2-yl]-1, 3-thiazolidin-4-one

R Wan, LH Yin, F Han, B Wang… - … Section E: Structure …, 2008 - journals.iucr.org
In the molecule of the title compound, C18H13Cl2N3O2S2, the thiazolidinone ring has an
envelope conformation with the S atom displaced by 0.394 (3) Å from the plane of the other …

One-pot synthesis of phenylallyl substituted unsymmetrical ureas under microwave irradiation

LQ Chai, WP Chen, XQ Wang, JL Ge - Phosphorus, Sulfur, and …, 2007 - Taylor & Francis
A series of phenylallyl-substituted unsymmetrical ureas were synthesized in a one-pot
procedure by reactions of cinnamoyl isocyanate, which was prepared from cinnamoyl azide …

Polymer-supported dichlorophosphate: a recoverable new reagent for synthesis of 2-amino-1, 3, 4-thiadiazoles

Z Li, JL Yu, JY Yang, SY Shi… - Journal of Chemical …, 2005 - journals.sagepub.com
Poly (ethylene glycol)(PEG) supported dichlorophosphate was efficiently used as a
recoverable new dehydration reagent for rapid synthesis of 2-amino-5-substituted-1, 3, 4 …

Heterocyclization reactions involving thiols

IV Koval' - Russian journal of organic chemistry, 2006 - Springer
Heterocyclization reactions involving thiols Page 1 ISSN 1070-4280 Russian Journal of
Organic Chemistry, 2006, Vol. 42, No. 5, pp. 625-651. Ó Pleiades Publishing, Inc. 2006 …