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Construction of dihydropyrimidine skeleton using 1,2,4-trisubstituted-1,3-diaza-1,3-butadienes

✍ Scribed by Hidetsura Cho; Yoshio Nishimura; Yoshizumi Yasui; Masahiko Yamaguchi

Book ID
113930457
Publisher
Elsevier Science
Year
2012
Tongue
French
Weight
442 KB
Volume
53
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES

1,4-Diamino-1,4-di-2-quinolyl-2,3-diaza-
1,4-Diamino-1,4-di-2-quinolyl-2,3-diaza-1,3-butadiene
✍ Xu, Ren-Hui ;Zhou, Jun ;Xu, Yan ;Qi, Li ;Shen, Xuan ;Zhu, Dun-Ru πŸ“‚ Article πŸ“… 2006 πŸ› International Union of Crystallography 🌐 English βš– 126 KB

The title compound, C 20 H 16 N 6 , consists of electron-delocalized trans-planar molecules possessing a crystallographically imposed centre of symmetry. In the crystal packing, the molecules are stacked along the c axis by van der Waals forces.

[4+2] cycloaddition reactions of various
[4+2] cycloaddition reactions of various 1,3-diaza-1.3-Butadienes with ketenes
✍ Sujit N. Mazumdar; Mohinder P. Mahajan πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 French βš– 704 KB

cycloaddition reactions of I-aryl-4-dimethylamino-1,3diaza-1,3-butadienes (~),l-aryl-4-dimethylamino-2-methylthio-l,3-diaza-l,3butadienes 12). l-aryl-4-methylthio-2-phenyl-4-sec.amino-l,3-diaza-l,3butadienes ( 2) and 4, 4-bis~sec.amino~-l,2-diphenyl-l,3-diaza-l,3-bu~adienes 112) with monophenylketen

1,4-Bis(4-dimethylΒ­aminoΒ­benzΒ­yl)-2,3-di
1,4-Bis(4-dimethylΒ­aminoΒ­benzΒ­yl)-2,3-diaza-1,3-butadiene
✍ Wang, Qing-Hua ;Guo, Guo-Cong ;Wang, Ming-Sheng πŸ“‚ Article πŸ“… 2005 πŸ› International Union of Crystallography 🌐 English βš– 172 KB

The title Schiff base compound, C 18 H 22 N 4 , is derived from the condensation reaction of hydrazine and 4-(dimethylamino)benzaldehyde. There is a crystallographic centre of symmetry at the mid-point of the N-N bond.