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114 results

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Page 1
6'-Methyl-1',2',3',4'-tetra-hydro-spiro-cyclo-hexane-2'-quinazolin-4'-one.
Ling Z, Shi D, Yanqiu F, Wei X, Li J. Ling Z, et al. Acta Crystallogr Sect E Struct Rep Online. 2009 Apr 22;65(Pt 5):o1097. doi: 10.1107/S1600536809014111. Acta Crystallogr Sect E Struct Rep Online. 2009. PMID: 21583911 Free PMC article.
The title compound, C(14)H(18)N(2)O, was synthesized by the reaction of cyclo-hexa-none and 2-amino-5-methyl-benzonitrile. In the mol-ecule, the cyclo-hexane ring displays a chair conformation, whereas the 1,3-diaza-cyclo-hexane moiety of the bicyclic system has a s …
The title compound, C(14)H(18)N(2)O, was synthesized by the reaction of cyclo-hexa-none and 2-amino-5-methyl-benzonitrile. In the mol-ecule, …
6'-Bromo-1'H-spiro-[cyclo-hexane-1,2'-pyrido[2,3-d]pyrimidin]-4'(3'H)-one.
Yang L, Shi D, Chen S, Chai H, Li J. Yang L, et al. Acta Crystallogr Sect E Struct Rep Online. 2012 Jan;68(Pt 1):o178. doi: 10.1107/S1600536811052299. Epub 2011 Dec 21. Acta Crystallogr Sect E Struct Rep Online. 2012. PMID: 22259462 Free PMC article.
The title compound, C(12)H(14)BrN(3)O, is built up from two fused six-membered rings and one six-membered ring linked through a spiro C atom. The hydro-pyrimidine ring has an envelope conformation and the cyclo-hexane ring is in a chair conformation. ...
The title compound, C(12)H(14)BrN(3)O, is built up from two fused six-membered rings and one six-membered ring linked through a spiro …
3-(2,4-Dichloro-phen-yl)-2-oxo-1-oxa-spiro-[4.5]dec-3-en-4-yl 4-chloro-benzoate.
Zhou Y, Cheng JL, Zhu GN, Zhao JH. Zhou Y, et al. Acta Crystallogr Sect E Struct Rep Online. 2009 Nov 4;65(Pt 12):o2992. doi: 10.1107/S1600536809044109. Acta Crystallogr Sect E Struct Rep Online. 2009. PMID: 21578732 Free PMC article.
In the title spiro-diclofen derivative, C(22)H(17)Cl(3)O(4), the cyclo-hexane ring adopts a chair conformation [four C atoms are planar with a mean deviation of 0.018 A and the two C atoms at the flap positions deviate by 0.613 (4) and -0.668 (5) A from the plane]. …
In the title spiro-diclofen derivative, C(22)H(17)Cl(3)O(4), the cyclo-hexane ring adopts a chair conformation [four C atoms a …
N-{3-[2-(4-Fluoro-phen-oxy)eth-yl]-2,4-dioxo-1,3-diaza-spiro-[4.5]decan-7-yl}-4-meth-oxy-benzene-sulfonamide.
Vinduvahini M, Jeyaseelan S, Shylajakumari J, Revanasiddappa HD, Devaru VB. Vinduvahini M, et al. Acta Crystallogr Sect E Struct Rep Online. 2012 Jan;68(Pt 1):o194-5. doi: 10.1107/S1600536811053980. Epub 2011 Dec 21. Acta Crystallogr Sect E Struct Rep Online. 2012. PMID: 22259477 Free PMC article.
In the title compound, C(23)H(26)FN(3)O(6)S, the two terminal aromatic rings form a dihedral angle of 49.26 (12). The cyclo-hexane ring adopts a chair conformation and the five-membered ring is essentially planar, with a maximum deviation from planarity of 0.0456 (19) A. . …
In the title compound, C(23)H(26)FN(3)O(6)S, the two terminal aromatic rings form a dihedral angle of 49.26 (12). The cyclo-hexane ri …
3',7',7'-Trimethyl-1'-phenyl-5',6',7',8'-tetra-hydro-spiro-[indoline-3,4'-(1H,4H-pyrazolo-[3,4-b]chromene)]-2,5'-dione.
Zhao LQ, Li B, Li YQ. Zhao LQ, et al. Acta Crystallogr Sect E Struct Rep Online. 2010 Nov 10;66(Pt 12):o3115. doi: 10.1107/S1600536810045253. Acta Crystallogr Sect E Struct Rep Online. 2010. PMID: 21589419 Free PMC article.
The title spiro-oxindole compound, C(26)H(23)N(3)O(3), was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one and 5,5-dimethyl-cyclo-hexane-1,3-dione in an ethanol solution. ...
The title spiro-oxindole compound, C(26)H(23)N(3)O(3), was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one an …
(1'S,4'S)-5-(2,5-Dimethyl-phen-yl)-4'-meth-oxy-6-oxa-3-aza-spiro-[bicyclo-[3.1.0]hexane-2,1'-cyclo-hexa-n]-4-one.
He XR, Xu BR, Cheng JL, Zhao JH. He XR, et al. Acta Crystallogr Sect E Struct Rep Online. 2013 Mar 1;69(Pt 3):o453. doi: 10.1107/S1600536813005138. Epub 2013 Feb 28. Acta Crystallogr Sect E Struct Rep Online. 2013. PMID: 23476621 Free PMC article.
In the title compound, C18H23NO3, the cyclo-hexane ring has a chair conformation. The oxirane plane (OCC) makes a dihedral angle of 76.15 (13) with that of the pyrrolidine ring to which it is fused. The mean plane of the cyclo-hexane ring and the benzene ring are al …
In the title compound, C18H23NO3, the cyclo-hexane ring has a chair conformation. The oxirane plane (OCC) makes a dihedral angle of 7 …
3-(2,4-Dichloro-benzyl-idene)-1,5-dioxa-spiro-[5.5]undecane-2,4-dione.
Zeng WL. Zeng WL. Acta Crystallogr Sect E Struct Rep Online. 2011 Jun 1;67(Pt 6):o1362. doi: 10.1107/S1600536811016813. Epub 2011 May 7. Acta Crystallogr Sect E Struct Rep Online. 2011. PMID: 21754756 Free PMC article.
In the title mol-ecule, C(16)H(14)Cl(2)O(4), the 1,3-dioxane and cyclo-hexane rings exhibit distorted boat and chair conformations, respectively. ...
In the title mol-ecule, C(16)H(14)Cl(2)O(4), the 1,3-dioxane and cyclo-hexane rings exhibit distorted boat and chair conformations, r …
Crystal structure of 5''-(4-chloro-benzyl-idene)-4'-(4-chloro-phen-yl)-1'-methyltri-spiro[acenapthylene-1,2'-pyrrolidine-3',1''-cyclo-hexane-3'',2'''-[1,3]dioxane]-2(1H),6''-dione.
Chandralekha K, Gavaskar D, Sureshbabu AR, Lakshmi S. Chandralekha K, et al. Acta Crystallogr E Crystallogr Commun. 2015 Oct 3;71(Pt 11):o814-5. doi: 10.1107/S2056989015018034. eCollection 2015 Nov 1. Acta Crystallogr E Crystallogr Commun. 2015. PMID: 26594541 Free PMC article.
In the title compound, C36H29Cl2NO4, two spiro links connect the methyl-substituted pyrrolidine ring to the ace-naphthyl-ene and cyclo-hexa-none rings. The cyclo-hexa-none ring is further connected to the dioxalane ring by a third spiro junction. The five-membered r …
In the title compound, C36H29Cl2NO4, two spiro links connect the methyl-substituted pyrrolidine ring to the ace-naphthyl-ene and cycl …
Enantiopure spiro[3.3]heptane-2,6-dicarboxylic acid.
Tang HZ, Miura H, Kawakami Y. Tang HZ, et al. Enantiomer. 2002 Jan-Feb;7(1):5-9. doi: 10.1080/10242430210705. Enantiomer. 2002. PMID: 12043946
Using chiral HPLC and 13C NMR analyses, the optical purity of (+)-spiro[3.3]heptane-2,6-dicarboxylic acid (1) obtained by the known diastereomer method with brucine was first clarified to be 90% e.e., which was conventionally considered to be 100% e.e. Among the ester deri …
Using chiral HPLC and 13C NMR analyses, the optical purity of (+)-spiro[3.3]heptane-2,6-dicarboxylic acid (1) obtained by the known d …
114 results