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Article
Method of preparation and properties of ferroaluminum conductor with a high content of aluminum
An installation has been designed for bimetallic wire making. Technology for production of ferroaluminum (>10 wt % Al) conducting wires for tubular electric heaters is considered. The main physical and chemica...
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Article
Vitamin k3, synthesis, properties, and analysis (review)
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Article
Transalkylation of phenols over heteropoly acids
Transalkylation of 2,6-di-tert-butyl-4-R-phenols over solid heteropoly acids (H3PW12O40, H4SiW12O40, H3PW12O40/SiO2, H4SiW12O40/SiO2) in the presence of toluene or o-xylene as acceptors of a tert-butyl group at 1...
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Article
Oxygen-containing mono- and sesquiterpenoids of the oleoresin ofAbies sibirica
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Article
New derivatives of imidazoline 3-oxide and thiazoline with 2,6-dialkylphenol fragments
(2,6-Dialkyl-4-hydroxyphenyl)-2-butanones and aminooxides were used to obtain the corresponding 3-imidazoline 3-oxides. Nitrosylation of 3-imidazoline 3-oxide containing a phenol substituent proceeds either at...
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Article
Labdane and cembrane diterpenoids from the oleoresin of thePicea ajanensis
From the oleoresin of the Yeddo spruce (Picea ajanensis Fisch.) have been isolated cis-abienol, isocembrol, geranyllinalool, epimanool, and labd-13E-ene-8α,15-diol. It has been established that the biosynthesis o...
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Article
5S, 8S-germacra-1E,6E-dien-5-ol from the oleoresin ofPicea ajanensis and its biomimetic cyclization
From the oleoresin of the Yeddo spruce we have isolated a new sesquiterpene alcohol for which, on the basis of spectral and chemical characteristics, the structure of 5S, 8S-germacra-1E,6E-dien-5-ol (I) is sug...
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Article
Mono- and sesquiterpenoids of the oleoresins ofAbies sachalinensis, A. mayriana, andA. gracilis
The compositions of the mono- and sesquiterpenoids of the oleoresins of the Sakhalin fir (Abies sachalinensis Fr. Schmidt), Mayr's fir (Abies mayriana Miyabe et Kudo), and the slender fir (Abies gracilis Kom.) ha...