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Autor:
Kevin Rohe, Angelika S. D. Stahlich, Volker Huch, André Schäfer, Kinga Leszczyńska, Alexander Grandjean, David Scheschkewitz
Permethylated disila[2]metallocenophanes of silicon, germanium, tin, lead, 2 a-d, (tetrelocenophanes) and antimony, 3 a,b, (pnictogenocenophanes) are described. In the case of antimony, a chloro-substituted stibonocenophane, 3 a, as well as cationic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e739a71afc8e676607116cf472bab6ed
Autor:
Craig A. Obafemi, F. O. Taiwo
Publikováno v:
International Journal of Physical Sciences. 16:123-137
2,3-Dioxo-1,2,3,4-tetrahydroquinoxaline-6-sulfonohydrazide and its derivatives were synthesized and characterize by IR, 1H-NMR, 13C-NMR and mass spectrometry analytical methods. The 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-sulfonyl hydrazide (compou
Autor:
Slawomir Filipek, Olga Michalak, Przemyslaw Miszta, Kinga Trzcińska, Piotr Krzeczyński, Piotr Cmoch, Marcin Cybulski, Pakhuri Mehta, Andrzej Leś
Publikováno v:
The Journal of Organic Chemistry. 86:14321-14332
New acetyl derivatives of uracil, 6-methyluracil, and thymine were obtained in the course of an unconventional synthesis in methylene chloride. It was shown that products with the acetyloxymethyl fragment are formed according to a mechanism different
Publikováno v:
BioResources. 16:7592-7607
A novel synthesis method was developed for betaine-modified cellulose ester using a mixed N,N-dimethylacetamide/lithium chloride solvent system; p-toluenesulfonyl chloride was used for the in-situ activation of the betaine. The influence of the react
Publikováno v:
Chemistry of Natural Compounds. 57:879-886
New labdanoid derivatives containing hydrophilic substituents (amino, methylamino) in the C-4 position were synthesized via selective transformations of lambertianic acid chloride. A one-pot method was proposed to prepare 16-formyllambertianic acid a
Publikováno v:
Russian Journal of Organic Chemistry. 57:1448-1454
The reduction of 4-oximes derived from 1β-hydroxy-, 1β,13-epoxy-, and 1,1-(ethylenedioxy)dihydroquinopimaric acid methyl esters, as well as from 1β-hydroxydihydroquinopimaric acid amides, with sodium cyanotrihydroborate in the presence of tita
Publikováno v:
Russian Journal of Organic Chemistry. 57:1412-1416
The oxidation of 2,3-seco-24,28-dinorlupa-4(23),20(29)-diene-2,17-dicarbonitrile with ozone in methylene chloride at –40°C afforded a mixture of 4,20-dioxo-2,3-seco-23,24,28,29-tetranorlupane-2,17-dicarbonitrile (71%), 4,20-dioxo-3,30-dihydroxy-
Publikováno v:
Organic Process Research & Development. 25:2133-2145
Publikováno v:
Chemistry (Weinheim an Der Bergstrasse, Germany)
The reaction of the intramolecular germylene‐phosphine Lewis pair (o‐PPh2)C6H4GeAr* (1) with Group 15 element trichlorides ECl3 (E=P, As, Sb) was investigated. After oxidative addition, the resulting compounds (o‐PPh2)C6H4(Ar*)Ge(Cl)ECl2 (2: E=
Autor:
F. Mammadaliyeva
Publikováno v:
ASJ. 1:35-40
New epoxide oligomers have been obtained by the interaction of p-phenylenediaminediamidodisulfoimide with a large excess of epichlorohydrin in the presence of triethylbenzylammonium chloride. The synthesized epoxide oligomers are a viscous product of