期刊： HELVETICA CHIMICA ACTA, 2021; 104 (6)
An efficient approach was developed for the synthesis of 4,5-dihydroisoxazole derivatives from substituted 1,1-dicyano-cyclopropanes and hydroxylamine......
期刊： HELVETICA CHIMICA ACTA, 2021; 104 (7)
Direct cross-dehydrogenative coupling of different inert C-H bonds is the most straightforward and environmentally benign method to construct C-C bond......
期刊： HELVETICA CHIMICA ACTA, ; ()
The previously developed stereoselective [3+2] cycloaddition between N-tert-butanesulfinyl ketimines and arynes has been extended to the synthesis of ......
期刊： HELVETICA CHIMICA ACTA, 2020; 103 (12)
The redox activity of molecular phenazine catalysts has been previously exploited for aerobic oxidative amine homo- and cross-coupling reactions. In t......
期刊： HELVETICA CHIMICA ACTA, 2020; 103 (5)
A direct approach to gamma-keto esters through cascade alkyne-aldehyde reductive C-C coupling of propargyl esters and aromatic aldehydes under transit......
期刊： HELVETICA CHIMICA ACTA, 2020; 103 (7)
Reported here is the asymmetric synthesis of N-Boc-protected (2S,3S)-3-amino-2-hydroxyoctadecanoic acid, a component of ralstonin A and ralstoamide A.......
期刊： HELVETICA CHIMICA ACTA, 2020; 103 (8)
We report herein a synthesis of 5,6-diarylbenzo[a]carbazoles by a sequence of 6 pi-electrocyclization followed by beta-elimination. The highly functio......
期刊： HELVETICA CHIMICA ACTA, 2019; 102 (1)
Treatment of 2-bromoaryl pyrrole/indol-2-yl ketones with cesium carbonate in DMF resulted in the formation of 9H-pyrrolo[1,2-a]indol-9-ones and 10H-in......
期刊： HELVETICA CHIMICA ACTA, 2019; 102 (3)
A concise and efficient strategy has been developed to construct a polyketide chain by employing relay asymmetric hydrogenations catalyzed by two chir......
期刊： HELVETICA CHIMICA ACTA, 2019; 102 (5)
We report a Ni-catalyzed cascade annulation reaction that proceeds through two sequential carbometallation steps followed by C-CN reductive eliminatio......
期刊： HELVETICA CHIMICA ACTA, 2019; 102 (7)
In this article, we report the rapid and facile synthesis of chiral 3-methyl-2,5-trans-tetrahydrofurans. This reaction utilizes cheap and easily avail......
期刊： HELVETICA CHIMICA ACTA, 2019; 102 (9)
Corey-Chaykovsky epoxidation has been widely applied in the conversion of aldehydes and ketones to epoxides with sulfonium and sulfoxonium ylides. The......
期刊： HELVETICA CHIMICA ACTA, 2017; 100 (3)
With PhI as catalyst and mCPBA as oxidant, a novel and efficient catalytic procedure has been developed for the acetoxyselenylation and formyloxyselen......
期刊： HELVETICA CHIMICA ACTA, 2017; 100 (4)
Heavy metal complexes exhibit high phosphorescent efficiency and have been used extensively for electrophosphorescent emitters in the past 16 years. I......
期刊： HELVETICA CHIMICA ACTA, 2017; 100 (12)
Three dendritic PNP ligands with ethylenediamine, 1,4-butanediamine, 1,6-diaminohexane as bridged groups are synthesized in good yields, respectively.......
