𝔖 Bobbio Scriptorium
✦   LIBER   ✦

2-Ethyl 3,4-dimethyl 4′-bromobiphenyl-2,3,4-tricarboxylate

✍ Scribed by Thenmozhi, S. ;Pandi, A. Subbiah ;Velmurugan, D. ;Prakash, C. ;Ravikumar, K.

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

No coin nor oath required. For personal study only.

✦ Synopsis

In the title compound, C 19 H 17 BrO 6 , the biphenyl twist angle is 43.6 (1) . All three ester groups are planar and make dihedral angles of 61.0 (1), 70.6 (1) and 14.1 (1) with the attached benzene ring.

📜 SIMILAR VOLUMES

2-Ethyl 3,4-dimethyl 4′-methyl­biphenyl-
2-Ethyl 3,4-dimethyl 4′-methyl­biphenyl-2,3,4-tricarboxyl­ate
✍ Bhaskaran, Sundari ;Velmurugan, D. ;Ravikumar, K. ;Mohana Krishnan, A. K. ;Praka 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 250 KB

In the title compound, C 20 H 20 O 6 , the biphenyl twist angle is 48.2 (1) . All three ester groups are planar and they make dihedral angles of 63.6 (1), 56.8 (1) and 41.6 (1) with the attached benzene ring. C-HÁ Á ÁO interactions contribute to both molecular and crystal stability.

Dimethyl 3,3-dimethoxy-4,4′-methylenedi-
Dimethyl 3,3-dimethoxy-4,4′-methylenedi-2-naphthoate
✍ He, Rui ;Gao, En ;Gu, Shao-Jin ;Qin, Da-Bin 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 605 KB

In the title compound, C 27 H 24 O 6 , the two naphthalene ring systems are nearly perpendicular to one another with a dihedral angle of 87.77 (2) . The molecular structure is stabilized by several C-HÁ Á ÁO intramolecular hydrogen bonds. In the crystal structure, inversion-related molecules are lin

(R*)-(−)-3-[4-(Benzyloxy)benzoylmethyl]
(R*)-(−)-3-[4-(Benzyloxy)benzoylmethyl] 5-ethyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
✍ Wu, Xiao-Yun ;Hu, Ai-Xi ;Cao, Gao 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 587 KB

In the optically active title compound, C 32 H 30 N 2 O 8 , the substituted 1,4-dihydropyridine ring adopts a flattened boat conformation. The crystal structure is stabilized by intermolecular N-HÁ Á ÁO hydrogen bonding. ## Data collection Bruker SMART 1000 CCD diffractometer Absorption correctio

Ethyl 4,6-dimethyl-2-thioxo-1,2,3,4-tetr
Ethyl 4,6-dimethyl-2-thioxo-1,2,3,4-tetrahydro­pyrimidine-5-carboxyl­ate
✍ Zavodnik, Valery E. ;Shutalev, Anatoly D. ;Gurskaya, Galina V. ;Stash, Adam I. ; 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 269 KB

Single-crystal X-ray study T = 292 K Mean '(C±C) = 0.002 A Ê R factor = 0.030 wR factor = 0.095 Data-to-parameter ratio = 14.9 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

(4R,5R)-4,5-Bis{2-[3-(2,6-diisopropylphe
(4R,5R)-4,5-Bis{2-[3-(2,6-diisopropylphenyl)-2-thioxoimidazolidin-3-yl]ethyl}-2,2-dimethyl-1,3-dioxolane
✍ Marshall, Colin ;Harrison, William T. A. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 322 KB

In the chiral title compound, C 39 H 58 N 4 O 2 S 2 , the complete molecule is generated by crystallographic twofold symmetry, with one C atom lying on the rotation axis. The packing is established by van der Waals forces.