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ChemInform Abstract: Oxidative Cyclocondensation of Cyclic Thio- and Selenoureas. Part 5. 2-Thioxothieno- and 2-Thioxopyrido[2,3-d]pyrimidin-4-ones.

✍ Scribed by N. I. Mukarramov; B. A. Urakov; Kh. M. Shakhidoyatov

Publisher: John Wiley and Sons
Year: 2008
Weight: 25 KB
Volume: 39
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200819155

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ChemInform Abstract: Synthesis and S-Met

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✍ Chaitanya G. Dave; A. B. Shah; H. C. Shah 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 250 KB

## Abstract A number of 2‐thioxopyrido[3′,2′:4,5]thieno[3,2‐__H__]pyrimdin‐4(3__H__‐ones (5) have been synthesized by cyclocondensation of 2‐carbethoxy‐3‐amino‐4‐phenyl‐6‐substituted‐thieno[2,3‐__b__]pyridines (3) with various isothiocyanates. Compounds 5 were __S__‐methylated routinely and the rea

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ChemInform Abstract: Ring Closure Reacti

ChemInform Abstract: Ring Closure Reactions of Pyrido[2,3-d]pyrimidines to Pyrano[2′,3′:4,5]- and Oxazolo[5′,4′:4,5]pyrido[2,3-d]pyrimidines.

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## 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

ChemInform Abstract: A Convenient Synthe

ChemInform Abstract: A Convenient Synthesis of 1,3-Disubstituted 4-Thioxo-3,4-dihydropyrido[2,3-d]pyrimidin-2(1H)-ones and 4-Thioxo-3,4-dihydropyrido[4,3-d]pyrimidin-2(1H)-ones.

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