Inter- and Intramolecular C–H···O Bonding in the Anions of 1,3-Indandione Derivatives

Autor: Pnina Krief, Mark Sigalov, Lev Shapiro, Vladimir Khodorkovsky

Publikováno v: European Journal of Organic Chemistry
European Journal of Organic Chemistry, Wiley-VCH Verlag, 2008, 2008 (4), pp.673-683
European Journal of Organic Chemistry, 2008, 2008 (4), pp.673-683

Derivatives of a series of 1,3-indandione (1) self-condensation products (2–4) and their anions (2a–4a) were investigated by NMR and UV/Vis spectroscopy and quantum mechanical calculations. These compounds exhibit a number of unusual features in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51bc0e1e0a8d67ab35b4acd3c8e275b7
https://doi.org/10.1002/ejoc.200700684

Langmuir and Langmuir−Blodgett Films of NLO Active 2-(p-N-Alkyl-N-methylamino)benzylidene-1,3-indandioneπ/A Curves, UV−Vis Spectra, and SHG Behavior

Autor: Guilia Meshulam, Royi Mazor, Shlomo Efrima, Lev Shapiro, and Zvi Kotler, Garry Berkovic, Hanna Schwartz, Vladimir Khodorkovsky, Jacob T. Klug, Efim G. Kovalev

Publikováno v: The Journal of Physical Chemistry B. 105:5914-5921

We study 2-(p-N-hexadecyl-N-methylamino)benzylidene-1,3-indandione (1a) as a model compound for the preparation of nonlinear optically (NLO) active Langmuir−Blodgett (LB) layers. The pressure−area (π−A) isotherm of (1a) at the air−water inte

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https://doi.org/10.1021/jp0038916

2-D effects in the second-order optical nonlinearity of organic molecules incorporating carbazole

Autor: Royi Mazor, Vladimir Khodorkovsky, Amos Ben-Asuly, Zvi Kotler, Garry Berkovic, Lev Shapiro, Guilia Meshulam

Publikováno v: Synthetic Metals. 115:219-223

The second order nonlinearity (β) of a series of organic π-conjugated molecules involving 1,3 indandione derivatives as an acceptor moiety has been measured. The effect of varying the donor from dialkylamino to N-carbazolyl substituents was examine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa4d5ed4bef3e7326fda57253794a22e
https://doi.org/10.1016/s0379-6779(00)00338-6

Tetrathiafulvalene-thioindigo annelated donor–acceptor system with intramolecular charge transfer

Autor: Vladimir Khodorkovsky, Emad Aqad, Arkady Ellern, Lev Shapiro

Publikováno v: Tetrahedron Letters. 41:2983-2986

The synthesis, UV–vis spectra, X-ray structure and redox properties of novel models for intramolecular D–A interaction, which incorporate tetrathiafulvalene and a thioindigo basic chromophoric system, are described.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e7e0ab1d45f871f3bd659c932157432
https://doi.org/10.1016/s0040-4039(00)00287-2

Synthesis and intramolecular charge-transfer properties of new tetrathiafulvalene–σ-tetracyanoanthraquinodimethane diad (TTF–σ-TCNAQ) and triad (TTF–σ-TCNAQ–σ-TTF) molecules

Autor: Pilar de Miguel, ro O. Cuello, Andrew Beeby, Angelika Niemz, Lev Shapiro, Martin R. Bryce, Leonid M. Goldenberg, Vincent M. Rotello, Vladimir Khodorkovsky

Publikováno v: Journal of Materials Chemistry. 8:71-76

We report the use of functionalised electron acceptor tetracyanoanthraquinodimethane (TCNAQ) units in the synthesis of novel diad D–σ-A compounds 6 and 7 [D=tetrathiafulvalenyl (TTF) and ferrocenyl] and the triad TTF–σ-TCNAQ–σ-TTF assembly 8

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d888b432f5783b40bb64def8124e158
https://doi.org/10.1039/a704013j