𝔖 Bobbio Scriptorium
✦   LIBER   ✦

3-(3-Methoxy­benzo­yl)-1′,6,6-trimethyl-4,5,6,7-tetra­hydro­spiro­[benzo[b]furan-2(3H),3′(2′H)-1H-indole]-4,2′-dione

✍ Scribed by Gayathri, D. ;Velmurugan, D. ;Ravikumar, K. ;Savitha, G. ;Perumal, P. T.

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

No coin nor oath required. For personal study only.

✦ Synopsis

3-(3-Methoxybenzoyl

6,6-trimethyl-4,5,6,7-tetrahydrospiro[benzo[b]

furan-2(3H),3 0 0 0 (2 0 0 0 H)-1H-indole]-4,2 0 0 0 -dione

📜 SIMILAR VOLUMES

2′-Benzo­yl-1′-(4-chloro­phen­yl)-5′,6′,
2′-Benzo­yl-1′-(4-chloro­phen­yl)-5′,6′,7′,7a′-tetra­hydro­spiro­[indan-2,3′(2′H)-1H-pyrrolizine]-1,3-dione
✍ Kalyanasundaram, S. ;Selvanayagam, S. ;Velmurugan, D. ;Ravikumar, K. ;Poornachan 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 494 KB

The title compound, C 28 H 22 ClNO 3 , has two crystallographically independent molecules in the asymmetric unit. The pyrrolidine ring (A) of the pyrrolizine system adopts an envelope conformation in both molecules, whereas the other five-membered ring (B) adopts an envelope conformation in one mole

4′-(4-Methoxy­phenyl)-1′-methyl-4′′,5′′,
4′-(4-Methoxy­phenyl)-1′-methyl-4′′,5′′,6′′,7′′-tetra­hydro-1H-indole-3-spiro-2′-pyrrolidine-3′-spiro-2′′-(thia­zolo­[3,2-a]­pyrimidine)-2(3H),3′′(2′′H)-dione
✍ Li, Xiao-Fang ;Feng, Ya-Qing ;Shi, Da-Xin ;Chen, Hong-Liang 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 180 KB

Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.003 A Ê R factor = 0.048 wR factor = 0.113 Data-to-parameter ratio = 15.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

6,6,8a-Tri­methyl-3a,6,7,8a-tetra­hydro­
6,6,8a-Tri­methyl-3a,6,7,8a-tetra­hydro­benzo­[b]­furo­[3,2-d]­furan-2,4(3H,5H)-dione
✍ Nagaraj, Basavegowda ;Yathirajan, Hemmige S. ;Nagaraja, Padmarajaiah ;Lynch, Dan 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 106 KB

The structure of the title compound, C 13 H 16 O 4 , comprises a non-planar chiral molecule where the cyclohexene double bond is distinctly shorter [1.335 (2) A ˚] than the neighbouring C-C single bonds (>1.4 A ˚).