✦ LIBER ✦

Synthesis of partially saturated dipyrido[l,2-a:4,3-d] pyrimidin-11-ones via catalytic hydrogen-transfer reaction

✍ Scribed by Ferenc Fülöp; Imre Huber; György Dombi; Gábor Bernáth

Book ID: 104205110
Publisher: Elsevier Science
Year: 1987
Tongue: French
Weight: 331 KB
Volume: 43
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)90055-9

No coin nor oath required. For personal study only.

✦ Synopsis

heterocycles,

📜 SIMILAR VOLUMES

Saturated heterocycles. Part 88. Synthes

Saturated heterocycles. Part 88. Synthesis of a new ring system: dipyrido[1,2-a:4,3-d]pyrimidin-11-one derivatives

✍ Huber, Imre; F�l�p, Ferenc; Dombi, Gy�rgy; Bern�th, G�bor; Hermecz, Istv�n; M�sz 📂 Article 📅 1987 🏛 Royal Society of Chemistry ⚖ 369 KB

New Efficient Synthesis of 2-Substituted

New Efficient Synthesis of 2-Substituted Benzothieno[3,2-d]pyrimidin-4(3H)-ones via a Tandem Aza-Wittig Reaction.

✍ Sheng-Zhen Xu; Yang-Gen Hu; Ming-Wu Ding 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 36 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.

New Efficient Synthesis of 5,6-Disubstit

New Efficient Synthesis of 5,6-Disubstituted-3-phenyl-1,2,3-triazolo[4,5- d ]pyrimidin-7-ones via a Tandem Aza-Wittig Reaction

✍ Wang, Tao; Ke, Xi Xian; Zhou, Shui Tao; Chen, Hui Zong 📂 Article 📅 2012 🏛 Taylor and Francis Group 🌐 English ⚖ 206 KB

ChemInform Abstract: New Efficient Synth

ChemInform Abstract: New Efficient Synthesis of 5,6-Disubstituted-3-phenyl-1,2,3-triazolo[4,5-d]pyrimidin-7-ones via a Tandem Aza-Wittig Reaction.

✍ Tao Wang; Xi Xian Ke; Shui Tao Zhou; Hui Zong Chen 📂 Article 📅 2012 🏛 John Wiley and Sons ⚖ 27 KB

Bis[(L)prolinato-N,O]Zn–water: A green c

Bis[(L)prolinato-N,O]Zn–water: A green catalytic system for the synthesis of 3,4-dihydropyrimidin-2 (1H)-ones via the Biginelli reaction

✍ Siddiqui, Zeba N. 📂 Article 📅 2013 🏛 Elsevier Science 🌐 English ⚖ 393 KB

One pot synthesis of 6,12-dihydro-1,3,7,

One pot synthesis of 6,12-dihydro-1,3,7,9-tetramethyl-5H, 11H-dipyrido[1,2-a:1′,2′-d]pyrazine-2,8-dione by hilbert-johnson reaction of 2-chloromethyl-3,5-dimethyl-4-methoxypyridine

✍ Marina Orešić; Aleksandar Danilovski; Miljenko Dumić; Nada Košutić-Hulita 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 100 KB

## Abstract By heating 2‐chloromethyl‐3,‐5‐dimethyl‐4‐methoxypyridine **(1)** either neat or in solution methoxy group cleavage was achieved, followed by dimerisation to poorly soluble 6,12‐dihydro‐1,3,7,9‐tetramethyl‐5__H__,11__H__‐dipyrido[1,2‐a:1′,2′‐d]pyrazine‐2,8‐dione **(3)** in almost quanti