Results 101 to 110 of about 29,301 (244)

Cinètica de la reacció de descomposició tèrmica de l’ascaridol en dissolució [PDF]

, 2005
Existen diferencias entre los valores de algunas propiedades físicas de ascaridol natural aislado del vegetal denominado vulgarmente «Paico» (Chenopodium ambrosioides L., Chenopodiaceae) y la sustancia sintética obtenida mediante la reacción de ...
Cafferata, Lazaro, Cañizo, Adriana Ines, Jeandupeux, R.   +2 more
core   +1 more source

789 Generation of a Bicycle NK-TICA™, a novel NK cell engaging molecule to enhance targeted tumor cytotoxicity [PDF]

, 2021
Fay J. Dufort, Christopher J. Leitheiser, Gemma Mudd, Julia Kristensson, Alexandra Rezvaya, Elizabeth Repash, Eric Haines, Katie Gaynor, Sandra Uhlenbroich, L. Urbonas, Heather Allen, Helen Harrison, Liuhong Chen, Philip E. Brandish, Kevin McDonnell, Nicholas Keen   +15 more
openalex   +1 more source

Crystal structures and supramolecular features of 9,9-dimethyl-3,7-diazabicyclo[3.3.1]nonane-2,4,6,8-tetraone, 3,7-diazaspiro[bicyclo[3.3.1]nonane-9,1′-cyclopentane]-2,4,6,8-tetraone and 9-methyl-9-phenyl-3,7-diazabicyclo[3.3.1]nonane-2,4,6,8-tetraone dimethylformamide monosolvate

Acta Crystallographica Section E: Crystallographic Communications, 2017
Compounds (I), C9H10N2O4, (II), C11H12N2O4, and (III), C14H12N2O4·C3H7NO represent 9,9-disubstituted-3,7-diazabicyclo[3.3.1]nonane-2,4,6,8-tetraone derivatives with very similar molecular geometries for the bicyclic framework: the dihedral angle between ...
Sergey Z. Vatsadze, Marina A. Manaenkova, Evgeny V. Vasilev, Nikolai U. Venskovsky, Victor N. Khrustalev   +4 more
doaj   +1 more source

Sonochemistry in organic synthesis: A convenient method for the preparation of halo-bicyclic molecules with keten addition reaction and biological properties of Dimethyl 7,7-dichloro-8-oxabicyclo[4.2.0]oct-3-ene-3,4- dicarboxylate [PDF]

, 2022
Hazal Sezen, Nermin Şimşek Kuş, Sadin Özdemir, Gülşah Tollu   +3 more
openalex   +1 more source

Crystal structures of two (±)-exo-N-isobornylacetamides

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title compounds consist of a bornane skeleton with attached acetamide, C12H21NO (±)-(1) {systematic name: (±)-N-[(1RS,2RS,4RS)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl]acetamide}, and chloroacetamide, C12H20ClNO (±)-(2) {systematic name: (±)-2-chloro-
Dmitrijs Stepanovs, Daniels Posevins, Maris Turks   +2 more
doaj   +1 more source

Unusual thermolysis of azacyclic allene under microwave conditions: crystal structure of (3RS,3aSR,8RS,8aRS)-methyl 5,6-dimethoxy-3a,10-dimethyl-1-phenyl-3,3a,8,8a-tetrahydro-3,8-(epiminomethano)cyclopenta[a]indene-2-carboxylate from synchrotron X-ray diffraction

Acta Crystallographica Section E: Crystallographic Communications, 2017
The title compound, C25H27NO4 (I), the product of the unusual thermolysis of azacyclic allene methyl 10,11-dimethoxy-3,8-dimethyl-6-phenyl-3-azabenzo[d]cyclodeca-4,6,7-triene-5-carboxylate, represents a bicyclic heterosystem and crystallizes in the ...
Le Tuan Anh, Alexander A. Titov, Maxim S. Kobzev, Leonid G. Voskressensky, Alexey V. Varlamov, Pavel V. Dorovatovskii, Victor N. Khrustalev   +6 more
doaj   +1 more source

cis-6-Methoxycarbonyl-2,10-dioxa-1-phosphabicyclo[4.4.0]decane 1-Oxide [PDF]

, 1995
The crystal structure of the title compound, C9H1505P, is described. The molecule consists of two cis-fused six-membered rings, both in the chair conformation.
Bennett, Dennis W., Cremer, Sheldon E., Lane, Thomas M., Rodriguez, Oscar P, Sommese, Anthony Gerard   +4 more
core   +1 more source

Novel Bicyclic P,S-Heterocycles via Stereoselective hetero-Diels–Alder Reactions of Thiochalcones with 1-Phenyl-4H-phosphinin-4-one 1-Oxide

Molecules
Thiochalcones undergo cycloaddition reactions in THF solution at 60 °C with the synthetically unexplored 1-phenyl-4H-phosphinin-4-one 1-oxide in a highly regio- and stereoselective manner, yielding hitherto unknown bicyclic P,S-heterocycles containing ...
Grzegorz Mlostoń, Katarzyna Urbaniak, Marcin Palusiak, Elżbieta Łastawiecka, Sławomir Frynas, Kazimierz Michał Pietrusiewicz, Heinz Heimgartner   +6 more
doaj   +1 more source

Cooperative and anticooperative effects in resonance assisted hydrogen bonds in merged structures of malondialdehyde [PDF]

We analyzed non-additive effects in resonance assisted hydrogen bonds (RAHBs) in different b-enolones, which are archetypal compounds of these types of interactions.
Costales Castro, María Aurora, Guevara Vela, José Manuel, Martín Pendás, Ángel, Rocha Rinza, Tomás, Romero Montalvo, Eduardo   +4 more
core   +1 more source

Crystal structures of three cyclohexane-based γ-spirolactams: determination of configurations and conformations

BMC Chemistry, 2019
The title compounds, 2-azaspiro[4.5]deca-1-one, C9H15NO, (1a), cis-8-methyl-2-azaspiro[4.5]deca-1-one, C10H17NO, (1b), and trans-8-methyl-2-azaspiro[4.5]deca-1-one, C10H17NO, (1c), were synthesized from benzoic acids 2 in only 3 steps in high yields ...
Tobias Krueger, Alexandra Kelling, Torsten Linker, Uwe Schilde   +3 more
doaj   +1 more source