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4-Oxo-3,4-dihydroquinazolin-3-ylmethyl N,N-diisopropylcarbamodithioate

✍ Scribed by Liu, Ming-zhen ;Huang, Wei

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
527 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C~16~H~21~N~3~OS~2~, the dihedral angle between the aromatic rings is 3.60 (3)°. An intermolecular C—H...O hydrogen bond links the molecules into chains along the c axis.

📜 SIMILAR VOLUMES

(4-Oxo-3,4-dihydroquinazolin-3-yl)methyl
(4-Oxo-3,4-dihydroquinazolin-3-yl)methyl piperidine-1-carbodithioate
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In the title compound, C 15 H 17 N 3 OS 2 , the piperidine ring adopts a chair conformation. Weak intermolecular C-HÁ Á ÁO hydrogen bonds link the molecules into chains along the c axis and further stability is provided by offsetstacking interactions [centroid separations = 3.73 (2)-3.78 (2) A ˚] in

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✍ Jiang, Li-li 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 229 KB

In the molecule of the title compound, C 14 H 15 N 3 OS 3 , the pyrrolidine ring has a slightly distorted envelope conformation. The dihydropyrimidine and benzene rings are coplanar, making a dihedral angle of 0.05 (3) . In the crystal structure, intra-and intermolecular C-HÁ Á ÁS, C-HÁ Á ÁO and C-H

3-(4-Chloro­benzyl)-5-(4-oxo-4H-chromen-
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In the title molecule, C 20 H 12 ClNO 4 S, the benzopyran ring system and the thiazolidine ring are planar. The dihedral angle between the chlorobenzyl and thiazolidine rings is 74.42 (8) . The crystal structure is stabilized by intermolecular C-HÁ Á ÁO hydrogen bonds.

Preparation of 2-phenyl-2-hydroxymethyl-
Preparation of 2-phenyl-2-hydroxymethyl-4-oxo-1,2,3,4-tetrahydroquinazoline and 2-methyl-4-oxo-3,4-dihydroquinazoline derivatives formation
✍ Pavel Hradil; Lubomír Kvapil; Jan Hlaváč; TomአWeidlich; Antonín Lyčka; Karel L 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 448 KB 👁 1 views

## Abstract The cyclization of phenacyl anthranilate has been studied with the aim to develop the synthesis of 2‐(2′‐aminophenyl)‐4‐phenyloxazole. However, a different course of the reaction than expected was observed. 2‐Phenyl‐2‐hydroxymethyl‐4‐oxo‐1,2,3,4‐tetrahydroquinazoline (**3a**) was formed