Results 31 to 40 of about 97 (91)

Photochemistry and Photophysics of the 3‐Styrylidenebenz[e]indanes

Photochemistry and Photobiology, 2018
AbstractThe photochemical and photophysical properties of the extended conformers of trans‐ and cis‐1‐(2‐naphthyl)‐2‐phenylethenes (t‐ and c‐NPEB) are strikingly different than those of their rigid analogues, trans‐ and cis‐3‐styrylidenebenz[e]indane (t‐ and c‐BPE). The fluorescence quantum yield and lifetime at 25°C in methylcyclohexane drop from 0.76
Jack, Saltiel, Shipra, Gupta, David W, Eaker, Andrew M, Kropp, V K Ratheesh, Kumar   +4 more
openaire   +3 more sources

A General Strategy for C(sp3)─H Bond Etherification via Quinoline Derivative‐Mediated Electrolysis

Advanced Science, Volume 12, Issue 22, June 12, 2025.
A quinoline‐based mediator is introduced for the electrochemical etherification of C(sp3)─H bonds, enabling the process with minimal dependence on substrate electronic properties. The reaction demonstrates compatibility with various C─H bonds, including tertiary benzylic C─H bonds and unactivated C(sp3)─H bonds.
Yousen Xu, Hao Wu, ChenXi Zhu, Minjun Tu, Lei Zhang   +4 more
wiley   +1 more source

PTC in the Polyenolate‐Mediated [10+2]‐Cycloaddition for the Synthesis of α,α‐Disubstituted Amino Acid Precursors

Advanced Synthesis &Catalysis, Volume 367, Issue 8, April 15, 2025.
Abstract The manuscript describes a formal [10+2] higher‐order cycloaddition between 2‐arylideneindan‐1‐ones and α‐alkylidene azlactones as higherene precursors and higherenofiles respectively. The reaction is realized under Brønsted‐base catalysis utilizing the phase transfer catalysis approach.
Joanna Dybowska, Artur Przydacz, Anna Skrzyńska, Łukasz Albrecht   +3 more
wiley   +1 more source

Indane 3a,4-oxide: formation by isomerisation of indane 3a,7a-oxide and confirmation of structure by an alternative synthesis

Journal of the Chemical Society, Perkin Transactions 1, 1978
Indane 3a,7a-oxide (1) is isomerised on heating to indane 3a,4-oxide (2). A number of attempts to prepare the latter from 3a,6-dihydroindanes were unsuccessful, but a preparation from 10-oxatricyclo[4.3.1.01,6]dec-3-ene provided confirmation of the assigned structure (2).
Davies, S, Whitham, G
openaire   +2 more sources

Thermodynamic properties of indane and indene [PDF]

Pure and Applied Chemistry, 1961
D. R. Stull, G. C. Sinke, R. A. McDonald, W. E. Hatton, D. L. Hildebrand   +4 more
openaire   +1 more source

Chiral Molecular Structures of Substituted Indans: Ring Puckering, Rotatable Substituents, and Vibrational Circular Dichroism

ACS Omega, 2019
Jordan L. Johnson, Prasad L. Polavarapu
doaj   +1 more source

Novel synthesis of indan derivatives.

Chemical and Pharmaceutical Bulletin, 1986
KASHIHARA, HIROSHI, SHINOKI, HIROSHI, SUEMUNE, HIROSHI, SAKAI, KIYOSHI   +3 more
openaire   +2 more sources

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Polymers with indan units

Macromolecular Symposia, 1995
AbstractCationic polymerisation of 1, 4‐diisopropenyl benzene, 1, 4‐(2‐chloro‐isopropyl)benzene and related compounds yields soluble polymers with repeating units of indan.High performance polymers with indan units are available via nucleophilic substitution of halogenated aromatic monomers containing a central indan element, which are synthesized from
Oskar Nuyken, Gerhard Maier, Michael Leitner, Dazhong Yang, Martin Wolf   +4 more
openaire   +1 more source

Vapor-pressure and enthalpy of vaporization of indan and five methyl-substituted indans

The Journal of Chemical Thermodynamics, 1978
Abstract Vapor-pressure determinations were made for indan, 1,1-dimethylindan, 4,6-dimethylindan, 4,7-dimethylindan, 1,1,4,6-tetramethylindan, and 1,1,4,7-tetramethylindan. The results were used to obtain derived values of enthalpy of vaporization.
A.G. Osborn, D.W. Scott
openaire   +1 more source

Synthesis of 2-Sulfonyl Indenes and Indanes

The Journal of Organic Chemistry, 2019
In this paper, we developed facile and high-yield synthetic routes for the preparation of 2-sulfonyl indenes and indanes, including: (i) Amberlyst-15-promoted Knoevenagel reaction of β-ketosulfones and arylaldehydes in refluxing toluene; (ii) Grignard reagent (R'MgBr) or reducing reagent (NaBH4) promoted regio- and/or stereocontrolled 1,4-addition or 1,
Meng-Yang Chang, Yan-Shin Wu, Yu-Lin Tsai, Hsing-Yin Chen   +3 more
openaire   +2 more sources