HIGH SELECTIVE CIS\ightleftharpoonsTRANS ISOMERIZATION OF TRI-SUBSTITUTED DOUBLE BOND BY RUTHENIUM ACETYLACETONATE
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چکیده
منابع مشابه
Selective isomerization–carbonylation of a terpene trisubstituted double bond†
Selective catalytic carbonylation of the trisubstituted double bond of citronellic acid is enabled via an isomerization–functionalization approach. Alkoxycarbonylation with [{1,2-(Bu2PCH2)2C6H4}Pd(OTf)2] as a catalyst precursor occurs with >97% selectivity for the terminal diester dimethyl-3,7-dimethylnonane-dioate. This prevails much over the typical cationic methoxyaddition. The reactive prim...
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silica supported phosphorus pentoxide (p2o5·sio2) is an efficient catalyst for synthesis of 1,3,5-substituted pyrazoles via the condensation of 1,3-diketones and hydrazines. simplicity of procedure, mild condition, being solvent-free, high yields, and easy workup are some advantages of this protocol.
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Proteins with multiple cysteine residues often require disulfide isomerization reactions before they attain their correct conformation. In prokaryotes this reaction is catalyzed mainly by DsbC, a protein that shares many similarities in structure and mechanism to the eukaryotic protein disulfide isomerase. This review discusses the current knowledge about disulfide isomerization in prokaryotes.
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ژورنال
عنوان ژورنال: Chemistry Letters
سال: 1978
ISSN: 0366-7022,1348-0715
DOI: 10.1246/cl.1978.533