𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis and structure of 1,4-diaryl-7,7-dimethyl-1,2,3,4,5,6,7,8-octahydroquinoline-2,5-diones

✍ Scribed by M. F. Strozhev; I. É. Lielbriedis


Publisher
Springer US
Year
1993
Tongue
English
Weight
297 KB
Volume
29
Category
Article
ISSN
0009-3122

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


4-(4-Chloro­phenyl)-1,7,7-tri­methyl-1,2
✍ Tu, Shujiang ;Zhu, Xiaotong ;Zhang, Jinpeng ;Xu, Jianing ;Wang, Qian 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 130 KB

The title compound, C 18 H 20 ClNO 2 , has been synthesized by the reaction of 4-chlorobenzaldehyde, Meldrum's acid, dimedone and CH 3 NH 3 Cl(NaOAc) in ethanol under microwave irradiation. The pyridone ring adopts a screw-boat conformation and the cyclohexenone ring an envelope conformation.

Green synthesis and crystal structure of
✍ Guang-Fan Han; Bin Cui; Li-Zhuang Chen; Rui-Hua Wang; Yan Jin 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 162 KB 👁 1 views

A green and convenient approach to the synthesis of novel 4,7-diaryl-2-oxo(thio)-1,2,3,4,5,6,7,8-octahydroquinazoline-5-one derivatives from appropriate aromatic aldehydes and 5-aryl-1,3-cyclohexanedione with urea or thiourea in the presence of dilute HCl as catalyst in water is described. This meth