Transition-Metal Aqua Complexes of 4,6-Dibenzofurandiyl-2,2‘-bis(4-phenyloxazoline). Effective Catalysis in Diels−Alder Reactions Showing Excellent Enantioselectivity, Extreme Chiral Amplification, and High Tolerance to Water, Alcohols, Amines, and Acids

1998 ◽  
Vol 120 (13) ◽  
pp. 3074-3088 ◽  
Author(s):  
Shuji Kanemasa ◽  
Yoji Oderaotoshi ◽  
Shin-ichi Sakaguchi ◽  
Hidetoshi Yamamoto ◽  
Junji Tanaka ◽  
...  
Keyword(s):  
Transition Metal ◽  
Diels Alder ◽  
High Tolerance ◽  
Aqua Complexes ◽  
Chiral Amplification

Asymmetric Synthesis of 3,3′-Piperidinoyl Spirooxindoles and Discovery of Stereospecific Cycloadducts as Novel Hedgehog Pathway Modulators

Synthesis ◽  
2020 ◽  
Vol 52 (21) ◽  
pp. 3140-3152
Author(s):  
Kamal Kumar ◽  
Mohammad Rehan ◽  
Jana Flegel ◽  
Franziska Heitkamp ◽  
Jorgelina L. Pergomet ◽  
...  
Keyword(s):  
Transition Metal ◽  
Small Molecules ◽  
Asymmetric Synthesis ◽  
Natural Product ◽  
Transition Metal Complexes ◽  
Alder Reaction ◽  
Diels Alder ◽  
Hedgehog Pathway ◽  
Diels Alder Reaction ◽  
Efficient Access

An enantioselective hetero-Diels–Alder reaction of alkylidene­ oxindoles and 2-aza-3-silyloxy-1,3-butadienes, catalyzed by divalent transition metal complexes with N,N′-dioxide ligands offered an efficient access to natural-product-based 3,3′-piperidinoyl spiroox­indole class of small molecules. exo-Cycloadducts formed via stereospecific cycloaddition with Z-olefin displayed potent activity in modulation of hedgehog pathway.

Transition metal catalysis of the diels-alder reaction

1991 ◽  
Vol 32 (39) ◽  
pp. 5299-5302 ◽  
Author(s):  
Alan S. Olson ◽  
William J. Seitz ◽  
M. Mahmun Hossain
Keyword(s):  
Transition Metal ◽  
Alder Reaction ◽  
Diels Alder ◽  
Transition Metal Catalysis ◽  
Metal Catalysis ◽  
Diels Alder Reaction
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