scholarly journals Transition metal-catalyzed redox isomerization of codeine and morphine in water

RSC Advances ◽  
2014 ◽  
Vol 4 (74) ◽  
pp. 39519-39522 ◽  
Author(s):  
Antonio Bermejo Gómez ◽  
Pär Holmberg ◽  
Jan-E. Bäckvall ◽  
Belén Martín-Matute
Keyword(s):  
Transition Metal ◽  
High Efficiency ◽  
Water Soluble ◽  
Rhodium Complex ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed ◽  
Very High ◽  
Redox Isomerization

A water-soluble rhodium complex formed from commercially available [Rh(COD)(CH3CN)2]BF4 and 1,3,5-triaza-7-phosphaadamantane (PTA) catalyzes the isomerization of both codeine and morphine into hydrocodone and hydromorphone in water with very high efficiency.

scholarly journals Transition metal-catalyzed [2 + 2 + 2] cycloaddition of nitrogen-linked 1,6-diynes: a straightforward route to fused pyrrolidine systems

RSC Advances ◽  
2017 ◽  
Vol 7 (69) ◽  
pp. 43716-43736 ◽  
Author(s):  
Mirzaagha Babazadeh ◽  
Somayeh Soleimani-Amiri ◽  
Esmail Vessally ◽  
Akram Hosseinian ◽  
Ladan Edjlali
Keyword(s):  
Transition Metal ◽  
High Efficiency ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

Transition metal-catalyzed [2 + 2 + 2] cycloadditions of nitrogen-linked 1,6-diynes with unsaturated motifs have recently attracted more attention from synthetic organic chemists because of their high efficiency in the construction of numerous pyrrolidine based systems.

Efficient synthesis strategies by application of transition metal-catalyzed carbene/nitrene insertions into C–H bonds

2014 ◽  
Vol 31 (4) ◽  
pp. 449-455 ◽  
Author(s):  
Julian Egger ◽  
Erick M. Carreira
Keyword(s):  
Transition Metal ◽  
High Efficiency ◽  
Efficient Synthesis ◽  
Total Syntheses ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

This Highlight article provides an overview of recent total syntheses that are characterized by high efficiency and enabled through a neat application of transition metal-catalyzed insertions of carbenes and nitrenes into C–H bonds.

Chelation-assisted transition metal-catalysed C–H chalcogenylations

2020 ◽  
Vol 7 (8) ◽  
pp. 1022-1060 ◽  
Author(s):  
Wenbo Ma ◽  
Nikolaos Kaplaneris ◽  
Xinyue Fang ◽  
Linghui Gu ◽  
Ruhuai Mei ◽  
...  
Keyword(s):  
Transition Metal ◽  
Recent Advances ◽  
Site Selectivity ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

This review summarizes recent advances in C–S and C–Se formations via transition metal-catalyzed C–H functionalization utilizing directing groups to control the site-selectivity.

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