Isothiazolo[3,2-b]-1,3,4-oxadiazole-5,5-dioxide: Synthesis of a New Heteropentalene System.

ChemInform Abstract: Synthesis of Macroc

ChemInform Abstract: Synthesis of Macrocyclic Systems from 4,4′-Diamino-3,3′-bi-1,2,5-oxadiazole and 3(4)-Amino-4(3)-(4-amino-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole 2-Oxides.

✍ M. A. Epishina; A. S. Kulikov; N. N. Makhova 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 18 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

A new synthesis of symmetrical 2,5-disub

A new synthesis of symmetrical 2,5-disubstituted 1,3,4-oxadiazoles

✍ Fouad Bentiss; Michel Lagrenée 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 182 KB 👁 1 views

## Abstract Several new 2,5‐disubstituted 1,3,4‐oxadiazoles have been synthesized in good yields by reaction of aromatic acids with hydrazine dihydrochloride in a mixture of orthophosphoric acid, phosphorus pentoxide and, in general, with addition of phosphorus oxychloride to the reaction mixture.

Synthesis of 3-Methoxy-5-oxo-6-phenyl-5,

Synthesis of 3-Methoxy-5-oxo-6-phenyl-5,6-dihydro-4H-isothiazolo[5,4-b]-1,4-thiazine 7,7-Dioxide, the First Representative of a New Heterocyclic System.

✍ N. V. Voskoboev; A. I. Gerasyuto; S. G. Zlotin 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB

Synthesis and Antispasmodic Activity of

Synthesis and Antispasmodic Activity of Isothiazolo[5,4-b]pyrano(thiopyrano)[4,3-d]pyridine and Isothiazolo[4,5-b]-2,7-naphthyridine Derivatives.

✍ E. G. Paronikyan; A. S. Noravyan; I. A. Dzhagatspanyan; I. M. Nazaryan; R. G. Pa 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 128 KB 👁 1 views

Isothiazolo-Fused Quinoline Analogues: S

Isothiazolo-Fused Quinoline Analogues: Synthesis of Isothiazolo[5,4-b]quinolines and Their Oxidation Products, 3[2H]-One-1,1-dioxideisothiazolo[5,4-b]quinolines from 2-Chloro-3-formylquinolines.

✍ A. Srivastava; Atish Chandra; R. M. Singh 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 20 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

New one step synthesis of 3,5-disubstitu

New one step synthesis of 3,5-disubstituted 1,2,4-oxadiazoles

✍ Moha Outirite; Mounim Lebrini; Michel Lagrenée; Fouad Bentiss 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 199 KB 👁 1 views

## Abstract magnified image Disubstituted 1,2,4‐oxadiazoles have been synthesized in good yields and good purity in one pot procedure by reaction of aromatic nitriles, hydroxylamine hydrochloride and sodium carbonate in ethylene glycol under heating at 195°C. The structures of different 1,2,4‐oxad