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"The dominoes are falling", the United States bans the import of Russian seafood, and the Chinese processing industry will be implicated
Time of Update: 2022-04-17
” "Our interpretation is that Biden's executive order covers Russian whitefish and salmon processed in China," Joe Bundrant, CEO of Trident, a major U.
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domino reaction: Construction of coumarin skeleton under the guidance of diversification
Time of Update: 2020-01-07
Lett.) finally, the author proposed the following reaction mechanism (Fig. 5): first, the phosphine catalyst is conjugated into alkyne ester, and then the intramolecular nucleophilic attack aldehyde group (MBH type reaction) produces ylide intermediate I.
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Nat. Commun.: domino reaction of α - alkynic acid to β - aromatic aldehyde catalyzed by substrate recognition
Time of Update: 2019-10-31
It is an area of great concern for researchers to develop catalytic systems that can achieve efficient direct and selective chemical conversion
In this sense
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Professor Yang Hua group of Central South University: Domino cyclization reaction based on 3-oxindole skeleton polarity matching
Time of Update: 2019-04-24
Because of its structure specificity and reaction diversity, methylene indole oxide has attracted more and more attention in the field of synthetic chemistry and pharmaceutical
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and tetrahydroquinoline with alkynyl substituted quaternary carbon center by continuous domino 1,6-addition / cyclization catalyzed by organophosphine
Time of Update: 2019-02-27
The quaternary carbon centers with alkynyl groups in the lead are widely found in medicine and bioactive molecules, which have important synthetic value
At present, most
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membered nitrogen heterocyclic compounds by multiple domino cyclization of thioylide
Time of Update: 2018-10-30
Lead six and seven nitrogen heterocyclic compounds exist widely in medicine and bioactive molecules, so it is very important to synthesize these compounds through cheap raw
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Difference between GF and GQ of tubular separator
Time of Update: 2008-11-26
GF type is suitable for liquid-liquid-solid separation with solid content less than 2%, i.e. separation of light liquid heavy liquid and solid.
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Domino effect shows the decline of soybean meal in the whole line
Time of Update: 2008-11-03
Introduction: on Wednesday, CBOT soybean contract fell to a halt in the near future, and the biggest support to maintain the hope of domestic soybean market bulls collapsed
