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The reaction proceeds with complete retention of configuration and is applied to aromatic and aliphatic terminal alkynes.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

A direct one‐pot synthesis via ring‐opening/recyclization and subsequent oxidation or hydrogenation is developed.

Review: 85 refs.

In some cases, the dihydro analogues are obtained which can smoothly be converted into the title compounds by treatment with DDQ.

The target compounds (IV) and (XI), which are synthesized using the title reactions, are evaluated for their pharmacological properties.

By tuning the amount of silver and the acidity, a bifunctional polyoxymetalate is designed exhibiting both metallic properties and Broensted acidity.

Review: 123 refs.

The use of hexafluoroisopropanol as solvent for the copper‐catalyzed cyclopropanation of alkenes leads to a simplified reaction procedure, an improved selectivity and a decreased amount of catalyst as well as ethyl diazoacetate (II).

Cyclic and benzyl allenyl ethers can be transformed into various spiro tetrahydrofurans and tetrahydropyrans following a hydride shift / cyclization sequence.

The halogen‐bonded adduct between DABCO and two molecules of perfluorooctyl iodide efficiently promotes the Morita—Baylis—Hillmann reaction under mild conditions.

Review: 23 refs.

The compound is synthesized in 29 linear steps and 3% overall yield starting from a known oxazoline readily available from L‐threonine.

A straightforward synthesis of the biologically interesting core structures is achieved through microwave‐promoted cyclocondensation of easily prepared Ugi products (II).

Review: 147 refs.

The use of Ti(O‐Pr)4as a mild Lewis acid in combination with NHC catalysis is essential for the activation of α,β‐unsaturated aldehydes and promotion of the conjugate addition to ketoesters.

In the presence of Ti(OiPr)4, NHC and TAB, enals like (I) undergo dimerization with high diastereo‐ and enantioselectivity yielding cyclopentenes of type (III).

A novel method is developed using air as the oxidant.

A Povarov/oxidation sequence is used to prepare a variety of 8‐aminoquinolines.

It allows an efficient access to various acyloxyesters and depsipeptides as well as sulfonate, phosphonate, and boronate derivatives.

Two new strategies to synthesize exocyclic enol ethers are presented.

The title crown ether is shown to be a stable and robust PTC catalyst which can be easily recycled by fluorous solid‐phase extraction.

The reaction yields diols (II) after reductive work‐up.

Review: 48 refs.

Review: 104 refs.

Review: 94 refs.

This selective oxidation reaction takes place under mild conditions with H2O2as green and waste‐avoiding oxidant.

The method allows a rapid access to a broad spectrum of structurally diverse lactam structures.

Regio‐ and stereocontrolled synthesis of multisubstituted enamides is achieved via carbometalation of ynamides with various aromatic, heteroaromatic boronic acids, triarylboroxine or arylboronic ester.

An improved method is presented for the Fe‐catalyzed epoxidation of olefins.

A novel method for the preparation of trifluoromethyl nitrones is presented which is also applicable to optically active compounds.

Single crystals of the new title compounds are prepared by reaction of Na2CO3, MgCO3, Ln2O3(Ln: La, Eu), and NH4H2PO4using Na2MoO4as a flux (Pt crucible, 1273 K, 2 h).

The protocol gives stereoselective access to Meyer′s chiral lactams in high yields and short times.

The reaction results in formation of 2‐amidoindenes with generally good levels of regioselectivity.

Compounds (VI) and (X) are synthesized as novel fluorinated analogues of the natural materials goniothalamin and howiinol A.

Cu(I)‐modified USY‐zeolite is used for the regioselective 1,3‐dipolar cycloaddition of azides, generated in situ, or the azomethine (VI) with terminal alkynes.

Optically active cis‐1,3,4‐trisubstituted cyclopentenes are synthesized from enals and chalcone derivatives with high levels of diastereoselectivity and enantioselectivity by the present new method.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.