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(±)-3-(2,6-Dichlorophenyl)-1-phenyl-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine

✍ Scribed by Yin, Zhi-Gang ;Qian, Heng-Yu ;Yu-Zhen, Chen ;Yu-Li, Feng

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

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✦ Synopsis

In the title compound, C 24 H 17 Cl 2 NO, the oxazine ring is distorted and adopts an envelope conformation. The dihedral angle between the dichlorophenyl ring and the naphthyl system is 85.30 ( 13) . An intramolecular N-HÁ Á ÁCl hydrogen bond is observed.

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(±)-3-[2-(Methylsulfanyl)ethyl]-1-phenyl
(±)-3-[2-(Methylsulfanyl)ethyl]-1-phenyl-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazine
✍ Yin, Zhi-Gang ;Qian, Heng-Yu ;Chen, Yu-Zhen ;Feng, Yu-Li 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 326 KB

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2-Benzyl-2,3-dihydro-1H-naphtho[1,2-e][1
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In the title molecule, C 19 H 17 NO, the dihedral angle between the naphthyl fused-ring system and the phenyl ring is 17.4 (1) . In the absence of hydrogen-bonding interactions andstacking interactions, the crystal structure is stabilized by van der Waals interactions.

1-(4-Fluoro­phen­yl)-2,3-dihydro-1H-naph
1-(4-Fluoro­phen­yl)-2,3-dihydro-1H-naphtho[1,2-e][1,3]oxazin-3-one
✍ Ghorbani, Hosein ;Bazgir, Ayoob 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 203 KB

In the molecule of the title compound, C~18~H~12~FNO~2~, the oxazine ring is not planar and has a flattened boat conformation The dihedral angle between the benzene ring and the naphthalene system is 78.4 (3)°. In the crystal structure, intermolecular N—H...O hydrogen bonds link the molecules into d

Synthetic approaches to 3H-naphtho[2,1-b
Synthetic approaches to 3H-naphtho[2,1-b]pyrans and 2,3-dihydro-1H-naphtho[2,1-b]pyrans
✍ Amitabh Jha; Po-Jung Jimmy Huang 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 200 KB

## Abstract magnified image Naphtho[2,1‐__b__]pyran nuclei are prevalent in natural products with significant biological and medicinal properties. 3,3‐Disubstituted 3__H__‐naphtho[2,1__‐b__]pyrans are photochromic and find use in electronic display systems, ophthalmic lenses, optical switches, and