Results 191 to 200 of about 1,879 (233)

Synthesis of dispiro[2.1.3.1]nonane and trispiro[2.1.1.37.15.13]-dodecane

Russian Journal of Organic Chemistry, 2012
In the present communication we describe the synthesis of dispiro[2.1.3.1]nonane (I) and trispiro[2.1.1.3.1.1]dodecane (II) starting from diethyl cyclobutane-1,1-dicarboxylate (III) [15]. Compound III was reduced with lithium tetrahydridoaluminate to diol IV which was converted into bis-p-toluenesulfonate V, and condensation of the latter with diethyl ...
A. P. Molchanov, R. R. Kostikov
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Generation of radicals and antimalarial activity of dispiro-1,2,4-trioxolanes

Russian Journal of Physical Chemistry A, 2012
The kinetic schemes of the intramolecular oxidation of radicals generated from substituted dispiro-1,2,4-trioxolanes (seven compounds) in the presence of Fe2+ and oxygen were built. Each radical reaction was defined in terms of enthalpy, activation energy, and rate constant.
E. T. Denisov, T. G. Denisova
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A Facile One-Pot Synthesis of Dispiro pyridine compounds using Microwave irradiation in dry media

Research journal of chemistry and environment
Multicomponent reactions (MCRs) have been developed in recent years in form of commanding and constructive tools in synthetic organic chemistry and have been paid attention because complex molecules and drugs can be prepared from cheap and easily ...
M. R. Ezhilarasi, Sunil Sayana, A.A. Jafeena, M. Makeswari   +3 more
semanticscholar   +1 more source

Dispiro-dithietane

Tetrahedron Letters, 1970
G. Seitz, W.-D. Mikulla
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Dispiro[2.1.2.1]octane at 103K

Acta Crystallographica Section C Crystal Structure Communications, 1999
Boese, Roland, Blaeser, Dieter, Latz, Rüdiger, Baeumen, Anja   +3 more
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Dispiro[2.4.2.0]DEC‐5‐ENE and Dispiro[2.4.2.0]Decane

Israel Journal of Chemistry, 1969
D. S. Magrill, J. Altman, D. Ginsburg
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5-Arylmethylidene-2-iminothiazolidin-4-ones in the synthesis of novel dispiro-fused oxindolepyrrolidineiminothiazolidinones

Chemistry of Heterocyclic Compounds, 2023
A. N. Izmest’ev, A. A. Streltsov, A. Kravchenko, G. Gazieva   +3 more
semanticscholar   +1 more source

Encumbered DiSpiro[Fluorene–IndenoFluorene]: Mechanistic Insights

Chemistry – A European Journal, 2009
Poriel, Cyril, Barrière, Frédéric, Thirion, D., Rault-Berthelot, J.   +3 more
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An efficient one-pot synthesis and docking studies of bioactive new antiproliferative dispiro[oxindole/acenaphthylenone‒benzofuranone] pyrrolidine scaffolds

Molecular diversity, 2023
Tushar R. Sutariya, Gaurangkumar C. Brahmbhatt, Hiralben D. Atara, N. Parmar, Rajnikant, V. Gupta, Irene Lagunes, J. Padrón, P. Murumkar, M. Sharma, M. Yadav   +10 more
semanticscholar   +1 more source

Synthesis of dispiro compounds and derivatives as potential medicinal agents

2011
The syntheses of 8-amino-16-azadispiro[6.1.6.2]heptadecan-16-one and its 8-chloroacetyl derivative are reported. The compounds were characterized by their infrared spectra and by elemental analysis of the latter compound. Data is presented for the attempted reaction of dimethylaminoacetic acid with 7-amino-14-azadispiro[5.1.5.2]pentadecan-15-one and 8 ...
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