Microwave Accelerated Solvent-Free Synthesis of 1,3,4-Oxadiazoles Using Polymer Supported...

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2005 Oxadiazole derivatives R 0290 Microwave Accelerated Solvent-Free Synthesis of 1,3,4-Oxadiazoles Using Poly- mer Supported Dehydration Reagent. — A rapid, high-yielding protocol for the one-step synthesis of coumarinyloxadiazoles (III) (9 examples) from coumarin-3-car- boxylic acid and benzoic acid hydrazides using polyethylene glycol supported dichlo- rophosphate as dehydration reagent is developed. — (LI*, Z.; YU, J.; DING, R.; WANG, Z.; WANG, X.; Synth. Commun. 34 (2004) 16, 2981-2986; Coll. Chem. Chem. Eng., Northwest Norm. Univ., Lanzhou, Gansu 730070, Peop. Rep. China; Eng.) — H. Toeppel 02- 124

Transcript of Microwave Accelerated Solvent-Free Synthesis of 1,3,4-Oxadiazoles Using Polymer Supported...

Page 1: Microwave Accelerated Solvent-Free Synthesis of 1,3,4-Oxadiazoles Using Polymer Supported Dehydration Reagent.

2005

Oxadiazole derivativesR 0290 Microwave Accelerated Solvent-Free Synthesis of 1,3,4-Oxadiazoles Using Poly-

mer Supported Dehydration Reagent. — A rapid, high-yielding protocol for the one-step synthesis of coumarinyloxadiazoles (III) (9 examples) from coumarin-3-car-boxylic acid and benzoic acid hydrazides using polyethylene glycol supported dichlo-rophosphate as dehydration reagent is developed. — (LI*, Z.; YU, J.; DING, R.; WANG, Z.; WANG, X.; Synth. Commun. 34 (2004) 16, 2981-2986; Coll. Chem. Chem. Eng., Northwest Norm. Univ., Lanzhou, Gansu 730070, Peop. Rep. China; Eng.) — H. Toeppel

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Dehydration Gas

Dehydration Gas

(3) Chemistry Department - Assiut University- 95 - K. I. Aly, A. A. Sarhan, T.I. El-Emary, Synthesis, characterization and thermal studies of new polyhydrazides and its poly-1,3,4-oxadiazoles

(3) Chemistry Department - Assiut University- 95 - K. I. Aly, A. A. Sarhan, T.I. El-Emary, Synthesis, characterization and thermal studies of new polyhydrazides and its poly-1,3,4-oxadiazoles

Mushroom Dehydration

Mushroom Dehydration

PROGRESS IN THE PHARMACOLOGICAL POTENTIAL OF OXADIAZOLES: A · PDF filePROGRESS IN THE PHARMACOLOGICAL POTENTIAL OF OXADIAZOLES: A REVIEW ... Heterocyclic compounds are indispensable

PROGRESS IN THE PHARMACOLOGICAL POTENTIAL OF OXADIAZOLES: A · PDF filePROGRESS IN THE PHARMACOLOGICAL POTENTIAL OF OXADIAZOLES: A REVIEW ... Heterocyclic compounds are indispensable

LNG Dehydration

LNG Dehydration

Dehydration headache

Dehydration headache

Review J. Braz. Chem. Soc. · 438 1,2,4- and 1,3,4-Oxadiazoles as Scaffolds in the Development of Antiparasitic Agents J. Braz. Chem. Soc. still restricts the exploration of this

Review J. Braz. Chem. Soc. · 438 1,2,4- and 1,3,4-Oxadiazoles as Scaffolds in the Development of Antiparasitic Agents J. Braz. Chem. Soc. still restricts the exploration of this

Gas Dehydration

Gas Dehydration

Preventing Dehydration in the WorkplacePreventing Dehydration in the Workplace Facts About Dehydration: l Most heat illnesses are caused by dehydration. l A person can sweat about

Preventing Dehydration in the WorkplacePreventing Dehydration in the Workplace Facts About Dehydration: l Most heat illnesses are caused by dehydration. l A person can sweat about

Y L 1,2,3 S 1,3,4, X 2,*, H K 2,†, Z L 4, L X 1,3 T C 1,3, …geoscience.wisc.edu/astrobiology/wp-content/uploads/...solved sulfide, and EPS are able to facilitate the dehydration

Y L 1,2,3 S 1,3,4, X 2,*, H K 2,†, Z L 4, L X 1,3 T C 1,3, …geoscience.wisc.edu/astrobiology/wp-content/uploads/...solved sulfide, and EPS are able to facilitate the dehydration

Dehydration treatment

Dehydration treatment

1,3,4 Forensic Chem Drugs Analysis

1,3,4 Forensic Chem Drugs Analysis

NeurobiologyofDisease TGF ...AquilinoLantero,1,2 Mo´nicaTramullas,1,2 FuencislaPílar-Cuellar,1,3,4 ElsaValdiza´n,1,3,4 RosaSantilla´n,1,5 BernardP.Roques,6,7 andMaríaA.Hurle ...

NeurobiologyofDisease TGF ...AquilinoLantero,1,2 Mo´nicaTramullas,1,2 FuencislaPílar-Cuellar,1,3,4 ElsaValdiza´n,1,3,4 RosaSantilla´n,1,5 BernardP.Roques,6,7 andMaríaA.Hurle ...

Antiviral activity of thiadiazoles, oxadiazoles, triazoles ...

Antiviral activity of thiadiazoles, oxadiazoles, triazoles ...

Research Article Synthesis of Pyrazine Substituted 1,3,4 ...downloads.hindawi.com/archive/2013/631723.pdf · Research Article Synthesis of Pyrazine Substituted 1,3,4-Thiadiazole Derivatives

Research Article Synthesis of Pyrazine Substituted 1,3,4 ...downloads.hindawi.com/archive/2013/631723.pdf · Research Article Synthesis of Pyrazine Substituted 1,3,4-Thiadiazole Derivatives

Research Article 1,3,4-Oxadiazole Derivatives: Synthesis ...

Research Article 1,3,4-Oxadiazole Derivatives: Synthesis ...

1,3,4-Thiadiazole: Synthesis, Reactions, and Applications ...szolcsanyi/education/files/Chemia heterocyklickych zlucenin... · 1,3,4-thiadiazole ring and its derivatives both in solution

1,3,4-Thiadiazole: Synthesis, Reactions, and Applications ...szolcsanyi/education/files/Chemia heterocyklickych zlucenin... · 1,3,4-thiadiazole ring and its derivatives both in solution

bithiophen-5-yl) substituted 1,3,4-oxadiazole, 1,3,4 ... · S1 Supporting Information for Synthesis of new, highly luminescent bis(2,2’-bithiophen-5-yl) substituted 1,3,4-oxadiazole,

bithiophen-5-yl) substituted 1,3,4-oxadiazole, 1,3,4 ... · S1 Supporting Information for Synthesis of new, highly luminescent bis(2,2’-bithiophen-5-yl) substituted 1,3,4-oxadiazole,

Dehydration Assessment

Dehydration Assessment

Alcohol and Dehydration - Frostburg State Universityfaculty.frostburg.edu/rpm/rkauffman/pdf_files/Alcohol and... · Dehydration Study: The ... • Dehydration affected BAC levels.

Alcohol and Dehydration - Frostburg State Universityfaculty.frostburg.edu/rpm/rkauffman/pdf_files/Alcohol and... · Dehydration Study: The ... • Dehydration affected BAC levels.