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Kinetic resolution of (±)-2,3-dihydro-3-methyl-4H-1,4-benzoxazine, (±)-2-methyl-1,2,3,4-tetrahydroquinoline and (±)-2-methylindoline using N-tosyl-(S)-prolyl chloride

✍ Scribed by Victor P. Krasnov; Galina L. Levit; Iraida M. Bukrina; Irina N. Andreeva; Liliya Sh. Sadretdinova; Marina A. Korolyova; Mikhail I. Kodess; Valery N. Charushin; Oleg N. Chupakhin

Book ID
104359862
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
144 KB
Volume
14
Category
Article
ISSN
0957-4166

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3-Benzyl-6-methyl-3,4-dihydro-2H-1,3-ben
3-Benzyl-6-methyl-3,4-dihydro-2H-1,3-benzoxazine
✍ Chen, Xiu-Ling ;Wu, Ming-Hu 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 920 KB

In the title molecule, C 16 H 17 NO, the dihedral angle between the phenyl and benzene rings is 28.4 (1) . The six-membered 3,4-dihydro-2H-1,3-oxazine ring adopts a screw boat conformation. In the crystal structure, weak C-HÁ Á Á(arene) interactions are present.

Synthesis of substituted 4-(5-alkyl-thia
Synthesis of substituted 4-(5-alkyl-thiazol-2-ylmethyl)-3,4-dihydro-2H-1,4-benzoxazines and 5-(2,3-dihydro-1,4-benzoxazin-4-ylmethyl)-4-methyl-1-phenyl-1H-pyrazol-3-ylamine
✍ Pushpak Mizar; Bekington Myrboh 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 81 KB

## Abstract magnified image Substituted 4‐(5‐alkyl‐thiazol‐2‐ylmethyl)‐3,4‐dihydro‐2__H__‐1,4‐benzoxazines and 5‐(2,3‐dihydro‐1,4‐benzoxazin‐4‐ylmethyl)‐4‐methyl‐1‐phenyl‐1__H__‐pyrazol‐3‐ylamines were prepared by the reaction of (2,3‐dihydro‐1,4‐benzoxazin‐4‐yl)‐acetic acid methyl ester and some