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Abstract. We have demonstrated that the unsupported nanoporous gold (AuNPore) was a green and highly efficient heterogeneous catalyst for the reduction of amides to amines using hydrosilanes as reductants. A variety of tertiary amides with a broad functional groups were reduced to the corresponding tertiary amines in the presence of 2 mol% of AuNPore and PheMe2SiH or (Me2SiH)2O under mild conditions. AuNPore catalyst was recovered by simple filtration and used for twelve times without any loss of catalytic activity. The AuNPore/hydrosilane system was also successfully applied to the hydrosilative reduction of sulfoxides and N‐oxides.
Rhodium (Rh)‐catalysed [4+2] annulation of aromatic oximes with common terminal alkenes for the synthesis of 3,4‐dihydroisoquinolines is presented. Through the cooperation of a Rh(III) catalyst and a catalytic amount of K2HPO4 base, the reaction enables the formation of two new bonds, a C(sp2)‐C(sp3) bond and a C(sp3)‐N bond, in a single reaction via functionalization of both the C‐H and N‐O bonds and provides a practical method to produce 3,4‐dihydroisoquinolines with exquisite selectivity and excellent compatibility of functional groups.
Zero Hedge 09/19/2019 23:05
Escobar: How The Houthis Overturned The Chessboard. The Yemeni Shiite group’s spectacular attack on Abqaiq raises the distinct possibility of a push to drive the House of Saud from power. A Yemeni Shiite man holds his weapon and a flag with an Arabic inscription reading ‘Disgrace is far from us,’ as he takes part in a religious procession held by Houthi rebels to mark the first day of Ashura.
Guyana Chronicle (Guyana) 09/19/2019 23:04
By Luke Bradshaw AMNESTY International has released a report stating that people working in Qatar ahead of the 2022 World Cup continue to be mistreated, despite assurances from authorities. Ahead of the tournament, according to the human rights organisation, workers continue to be exploited, going unpaid and having their rights violated. It comes after new.


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