Results 181 to 190 of about 1,703,017 (234)

Total Synthesis of (+)-CC-1065. [PDF]

open access: yesJ Am Chem Soc
Senzer BD, Danheiser RL.
europepmc   +1 more source
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New Syntheses of Diazo Compounds

Angewandte Chemie - International Edition, 2009
AbstractDiazo compounds (R1R2CN2) 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, 2003
AbstractThe 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
exaly   +3 more sources

Homologation Reaction of Ketones With Diazo Compounds

Chemical Reviews, 2016
This 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
exaly   +3 more sources

A Catalytic Cross-Olefination of Diazo Compounds With Sulfoxonium Ylides [PDF]

open access: yesAngewandte Chemie - International Edition, 2018
Alexandre Pinto   +2 more
exaly   +2 more sources

Aliphatic diazo compounds

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
openaire   +1 more source

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