A New Pteridine → Purine Transformation

Pteridines. Part CXIX. : A New Pteridine

Pteridines. Part CXIX. : A New Pteridine–Purine Transformation

✍ Wolfgang Pfleiderer 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 German ⚖ 291 KB

## Abstract A variety of pyrimidine precursors **12**–**25** were converted into a series of new 7‐hydroxylumazines (=7‐hydroxypteridine‐2,4(1__H__,3__H__)‐diones) **26**–**35** which functioned as starting materials for the transformation into the corresponding 7‐chlorolumazines **36**–**45**. Sub

ChemInform Abstract: Pteridines. Part 99

ChemInform Abstract: Pteridines. Part 99. A New Pteridine—Purine Transformation.

✍ Wolfgang Pfleiderer 📂 Article 📅 2008 🏛 John Wiley and Sons ⚖ 31 KB

Synthesis of New Purine, Pteridine, and

Synthesis of New Purine, Pteridine, and Other Pyrimidine Derivatives.

✍ E. Abdel-Latif; H. M. Mustafa; H. A. Etman; A. A. Fadda 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 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.

A New Pteridine Synthesis

✍ Prof. Dr. W. Pfleiderer; Dipl.-Chem. H.-U. Blank 📂 Article 📅 1968 🏛 John Wiley and Sons 🌐 English ⚖ 189 KB 👁 1 views

A New Synthesis of Pteridines.

✍ Ming Xu; Andrea Vasella 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 17 KB

## 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.

A New Synthesis of Pteridines

✍ Ming Xu; Andrea Vasella 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 German ⚖ 86 KB

## Abstract A new synthesis of pteridines possessing a (substituted) (__Z__)‐3‐hydroxyprop‐1‐enyl group at C(6) is based on the acylation of 4‐amino‐5‐nitrosopyrimidines with dienoic acid chlorides, followed by a high‐yielding intramolecular hetero‐__Diels–Alder__ cycloaddition and cleavage of the