✦ LIBER ✦

4′,5a′-Diphenyl-10-oxospiro[phenanthrene[9,2′]oxeto[5,4-b]oxazole]

✍ Scribed by Wang, Lei ;Usman, Anwar ;Fun, Hoong-Kun ;Zhang, Yan ;Xu, Jian-Hua

Publisher: International Union of Crystallography
Year: 2003
Tongue: English
Weight: 197 KB
Volume: 59
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536803008857

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

1-Acetyl-4′,5′a-diphenyl-2′,2′a,5′,5′a-

1-Acetyl-4′,5′a-diphenyl-2′,2′a,5′,5′a-tetrahydrospiro[1H-indole-3,2′-oxeto[5,4-b]oxazol]-2(3H)-one

✍ Li, Xue-Mei ;Wang, Lei ;Xu, Jian-Hua ;Zhang, Shu-Sheng ;Fun, Hoong-Kun 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 193 KB

1-Acetyl-2-oxo-4′-methyl-2a′-phenylspir

1-Acetyl-2-oxo-4′-methyl-2a′-phenylspiro[3H-indole-3,2′(2a′H,5a′H)-oxeto[3,2-d]oxazole]

✍ Usman, Anwar ;Razak, Ibrahim Abdul ;Fun, Hoong-Kun ;Chantrapromma, Suchada ;Zhan 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 325 KB

Single-crystal X-ray study T = 183 K Mean '(C±C) = 0.004 A Ê R factor = 0.073 wR factor = 0.192 Data-to-parameter ratio = 12.1 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

2-Methoxy-4-[2-methyl-5-oxo-4,5-dihydro

2-Methoxy-4-[2-methyl-5-oxo-4,5-dihydro-1,3-oxazol-4-ylidene)methyl]phenyl acetate

✍ Wang, Xiangqian ;Zhang, Mingjie ;Qi, Zhaobin ;Ma, Shanshan 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 89 KB

In the title compound, C 14 H 13 NO 5 , the C atom between the benzene and oxazolone rings displays a distorted trigonal bonding geometry. The oxazolone and aromatic rings are approximately coplanar.

Ethyl 1-acetyl-2′-methyl-2-oxo-4′,5′-di

Ethyl 1-acetyl-2′-methyl-2-oxo-4′,5′-dihydro-1H-indoline-3-spiro-5′-oxazole-4′-carboxylate

✍ Fun, Hoong-Kun ;Wang, Lei ;Xu, Jian-Hua ;Li, Xue-Mei ;Zhang, Shu-Sheng 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 194 KB

3′′′-(2,6-Dichlorophenyl)-1′-methyl-4′

3′′′-(2,6-Dichlorophenyl)-1′-methyl-4′,4′′′-diphenyl-4′′′,5′′′-dihydro-indole-3-spiro-2′-pyrrolidine-3′-spiro-1′'-cyclopentane-3′′-spiro-5′′′-[1,2]oxazole-2(3H),2′′-dione

✍ Li, Xiao-Fang ;Feng, Ya-Qing ;Gao, Bo ;Li, Nan 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 163 KB

Ethyl 1-acetyl-2′-methyl-2-oxo-4′,5′-di

Ethyl 1-acetyl-2′-methyl-2-oxo-4′,5′-dihydro-1H-indoline-3-spiro-5′-oxazole-4′-carboxylate. Erratum

✍ Fun, Hoong-Kun ;Wang, Lei ;Xu, Jian-Hua ;Li, Xue-Mei ;Zhang, Shu-Sheng 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 78 KB

In the paper by Fun, Wang, Xu, Li & Zhang [Acta Cryst. (2003), E59, o1827±o1829], two errors are corrected. First, in the second paragraph of the Comment, `C8ÐC13' on line 6 should read `C2ÐC13'. Secondly, in the third paragraph of the Comment, `the O3/C11/N2/C13 plane' on line 4 should read `the C1

4′,5a′-Di­phenyl-10-oxo­spiro­[phenanthrene­[9,2′]­oxeto­[5,4-b]­oxazole]

4′,5a′-Diphenyl-10-oxospiro[phenanthrene[9,2′]oxeto[5,4-b]oxazole]