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ChemInform Abstract: Unusual Dihydrazone Formation in the Fischer-Indole Cyclization. The Synthesis of Novel Nonclassical Annulated 2,4-Diaminopyrrolo[2,3-d]pyrimidine Antifolates.

✍ Scribed by Aleem Gangjee; Lihua Chen

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
30
Category
Article
ISSN
0931-7597

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Unusual dihydrazone formation in the fis
Unusual dihydrazone formation in the fischer-indole cyclization. The synthesis of novel nonclassical annulated 2,4-Diamino-pyrrolo[2,3-d]pyrimidine antifolates
✍ Aleem Gangjee; Lihua Chen 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 323 KB

## Abstract The synthesis of seven novel tetracyclic 2,4‐diaminopyrrolo[2,3‐__d__]pyrimidines as conformationally restricted nonclassical antifolates was achieved __via__ an unusual Fischer‐indole cyclization of dihydrazones. An attempted synthesis of 2,4‐diamino‐6‐hydrazinopyrimidine afforded 2‐am

ChemInform Abstract: Synthesis of 2,4-Di
ChemInform Abstract: Synthesis of 2,4-Diaminopyrrolo[2,3-d]pyrimidines via Thermal Fischer Indolization. Pyrazole Formation with Ytterbium Triflate Catalysis.
✍ Gordon L. Bundy; Theresa M. Schwartz; John R. Palmer; Lee S. Banitt; William Wat 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 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