Results 1 to 10 of about 2,798 (207)
1′-Methyl-4′-phenyldispiro[indan-2,2′-pyrrolidine-3′,2′′-indan]-1,3,1′′-trione [PDF]
Acta Crystallographica Section E Structure Reports Online, 2011 The conformation of the title compound, C(27)H(21)NO(3), is stabilized by a weak intra-molecular C-H⋯O hydrogen bond, which generates an S(6) ring motif. The pyrrolidine ring adopts a half-chair conformation. Both of the other five-membered rings are in envelope conformations. No significant inter-molecular hydrogen bonds are observed.
Ang Chee Wei +4 more
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4′-(4-Chlorophenyl)-1′-methyldispiro[indan-2,2′-pyrrolidine-3′,2′′-indan]-1,3,1′′-trione [PDF]
Acta Crystallographica Section E Structure Reports Online, 2011 In the title compound, C(27)H(20)ClNO(3), the two cyclo-pentane rings adopt envelope conformations. The pyrrolidine ring also adopts an envelope conformation (with the spiro C atom as the flap) and its least-squares plane (fitted to five atoms) makes dihedral angles of 66.50 (9), 77.36 (8) and 73.76 (8)° with the chloro-benzene ring and the two 2,3 ...
Ang Chee Wei +4 more
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2-[(Indan-1-ylidene)amino]ethanol [PDF]
Acta Crystallographica Section E Structure Reports Online, 2011 The five-membed ring of the title compound, C(11)H(13)NO, that is fused with the aromatic ring is approximately planar (r.m.s. deviation = 0.037 Å) despite the presence of the sp(3)-hybrid-ized ethyl-ene linkage. The hy-droxy group of the N-bound hy-droxy-ethyl chain serves as hydrogen-bond donor to the azomethine N atom of an adjacent mol-ecule ...
Abdulrahman O. Al‐Youbi +4 more
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Acta Crystallographica Section E Structure Reports Online, 2004 The title compound, C18H20O, arose as an unexpected hydrogenation product. All its geometrical parameters are normal and the crystal packing is controlled by van der Waals forces.
Alan B. Turner, William T. A. Harrison
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Plant-Mediated Enantioselective Transformation of Indan-1-One and Indan-1-ol [PDF]
Catalysts, 2019 The main purpose of this work was to discover the way to obtain pure enantiomers of indan-1-ol. The subject of the study was the ability of the plant enzyme system to reduce the carbonyl group of indan-1-one, as well as to oxidize the hydroxyl group of racemic indan-1-ol.
Wanda Mączka +3 more
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Química Nova, 2005 The indan ring system is present in several compounds with important pharmacological properties. In this account recent examples of selected methods (Friedel-Crafts acylation, cycloaddition reactions, ring contraction, cyclization and resolution) for the
Helena M. C. Ferraz +3 more
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1,1,3-Trimethyl-3-(4-nitrophenyl)indane [PDF]
Acta Crystallographica Section E Structure Reports Online, 2008 In the title compound, C(18)H(19)NO(2), the five-membered ring of the indane fragment adopts an envelope conformation, with the unsubstituted C atom, acting as the flap atom, deviating by 0.412 (3) Å from the plane through the remaining four atoms. The dihedral angle between the nitro-phenyl ring and the indane benzene ring is 72.5 (1)°.
Shi-Xu Yi +4 more
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Plant-Mediated Enantioselective Transformation of Indan-1-one and Indan-1-ol. Part 2 [PDF]
Molecules, 2019 The main purpose of this publication was to obtain the S-enantiomer of indan-1-ol with high enantiomeric excess and satisfactory yield. In our research, we used carrot callus cultures (Daucus carota L.), whereby the enzymatic system reduced indan-1-one and oxidized indan-1-ol.
Wanda Mączka +3 more
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4′-(4-Fluorophenyl)-1′-methyldispiro[indane-2,2′-pyrrolidine-3′,2′′-indane]-1,3,1′′-trione methanol hemisolvate [PDF]
Acta Crystallographica Section E Structure Reports Online, 2013 La unidad asimétrica del compuesto del título, C29H24FNO5·0.5CH3OH, contiene dos mol-éculas independientes y una mol-ecula de disolvente de metanol. El mol-ecule de metanol es hidrógeno O-H O unido a uno de los mol-ecules independientes. Los anillos de pirrolidina en ambos mol-éculas adoptan conformaciones de media silla, mientras que los anillos de ...
Mohamed Ashraf Ali +4 more
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Nouveaux corps odorants dans Ie domaine des muscs polycycliques
CHIMIA, 1992 Polyalkyl-tetralins and -indans are well known as starting materials for polycyclic musks obtained by Friedel-Crafts acylation. If, instead, such hydrocarbons are subjected to benzylic (electrochemical) oxidation, new musks are obtained.
Josiane Baudin +2 more
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