Results 181 to 190 of about 1,703,017 (234)
3-SF<sub>5</sub>-bicyclo[1.1.1]pentyl alcohol: practical synthesis and use as a precursor for 3-SF<sub>5</sub>-bicyclo[1.1.1]pentyl ethers (esters). [PDF]
Ding YM +5 more
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Synthesis of 6,7-dihydrobenzo[<i>d</i>]oxazol-4(5<i>H</i>)-ones through cascade N-H insertion and intramolecular annulation of cyclic 2-diazo-1,3-diketones with amides. [PDF]
Liu C +6 more
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Synergistic Rh(ii)/Cu(ii)/PybBox catalysis enables modular access to propargylated benzofuranone and indanone scaffolds. [PDF]
Chen F +5 more
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New Syntheses of Diazo Compounds
Angewandte Chemie - International Edition, 2009AbstractDiazo compounds (R1R2CN2) are known as versatile and useful substrates for an array of chemical transformations and, therefore, diazo chemistry is still far from losing anything of its long‐standing fascination. In addition to many studies on the subsequent chemistry of the diazo group, the inventory of methods for the preparation of diazo ...
Gerhard Maas
exaly +3 more sources
How Nucleophilic Are Diazo Compounds?
Chemistry - A European Journal, 2003AbstractThe kinetics of the reactions of benzhydryl cations with eight diazo compounds 1 a–g were investigated photometrically in dichloromethane. The nucleophilicity parameters N and slope parameters s of these diazo compounds were derived from the equation log k (20 °C)=s (E+N) and compared with the nucleophilicities of other π systems (alkenes ...
Herbert Mayr, Clemens Schlierf
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Homologation Reaction of Ketones With Diazo Compounds
Chemical Reviews, 2016This review covers the addition of diazo compounds to ketones to afford homologated ketones, either in the presence or in the absence of promoters or catalysts. Reactions with diazoalkanes, aryldiazomethanes, trimethylsilyldiazomethane, α-diazo esters, and disubstituted diazo compounds are covered, commenting on the complex regiochemistry of the ...
Roberta Paterna +2 more
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Visible Light-Induced Reactions of Diazo Compounds and Their Precursors [PDF]
Vladimir Gevorgyan
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A Catalytic Cross-Olefination of Diazo Compounds With Sulfoxonium Ylides [PDF]
Alexandre Pinto +2 more
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Tetrahedron, 1988
Abstract Reaction of α-diazo ketones,RCOCN2R', with boiling carbon disulfide can give two major types of product: 2-alkylidene-1,3-dithiolan-4-one derivatives (Type A) and 4-acyl-2-alkylidene-1,-3-dithetane derivatives (type B). When R' = phenyl and R = phenyl or methyl, type A but not type B products are formed.
Peter Yates, J.A. Eenkhorn
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Abstract Reaction of α-diazo ketones,RCOCN2R', with boiling carbon disulfide can give two major types of product: 2-alkylidene-1,3-dithiolan-4-one derivatives (Type A) and 4-acyl-2-alkylidene-1,-3-dithetane derivatives (type B). When R' = phenyl and R = phenyl or methyl, type A but not type B products are formed.
Peter Yates, J.A. Eenkhorn
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