✦ LIBER ✦

A facile ring cleavage of cyclic ketones. Synthesis of 9-(alkoxycarbonylalkyl)pyrido[1,2-a]pyrimidines

✍ Scribed by Zhi-tang Huang; Xiao-jun Wang

Publisher: Elsevier Science
Year: 1987
Tongue: French
Weight: 121 KB
Volume: 28
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)81033-9

No coin nor oath required. For personal study only.

✦ Synopsis

2-(Hexahydro-2-pyrimidinylidene)cycloalkanones 1 react with ethyl propiolate in alcoholic solution to give 9-(alkoxycarbonylalkyl)pyrido[1,2_a]pyrimidines 3 via ring cleavage of cyclicketones.

📜 SIMILAR VOLUMES

Efficient One-Pot Synthesis of 2-Oxo-1,9

Efficient One-Pot Synthesis of 2-Oxo-1,9a-dihydro-2H-pyrido[1,2-a]pyrimidine Derivatives.

✍ Mehdi Adib; Hossine Yavari; Mehdi Mollahosseini 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 91 KB 👁 1 views

ChemInform Abstract: A Facile Synthesis

ChemInform Abstract: A Facile Synthesis of Pyrido[1,2-a]benzimidazoles.

✍ V. N. S. R. BABU; A. N. BABU; V. ANAND; P. HANUMANTHU 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 27 KB 👁 1 views

Synthesis of new heterocyclic phenols: 9

Synthesis of new heterocyclic phenols: 9-hydroxy-pyrido [1,2-a] pyrimidine-4-one and 9-hydroxy-pyrimido[1,6-a]pyrimidine-4-one

✍ F. Dennin; D. Blondeau; H. Sliwa 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 124 KB

A Convenient Synthesis of 2-Functionaliz

A Convenient Synthesis of 2-Functionalized Pyrrolo[2,3-d]pyrido[1,2-a]pyrimidines.

✍ Yuchi Zhang; Keisuke Kawashima; Michihiko Noguchi 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 19 KB 👁 1 views

Cyclocondensation of Cyanoketene Dithioa

Cyclocondensation of Cyanoketene Dithioacetal with 2-Aminopyridine: Synthesis of Pyrido[1,2-a]pyrimidines.

✍ Okram Mukherjee Singh; Mohd Farooque Ahmed 📂 Article 📅 2004 🏛 John Wiley and Sons ⚖ 21 KB

## Abstract For Abstract see ChemInform Abstract in Full Text.

ChemInform Abstract: An Efficient and Fa

ChemInform Abstract: An Efficient and Facile Synthesis of Novel 3-Benzoyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidines.

✍ U. GIRRESER; D. HEBER; M. SCHUETT 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views