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PdI2-catalyzed regioselective cyclocarbonylation of 2-allyl phenols to dihydrocoumarins.
A simple, efficient, and regioselective synthesis of 3-methyl-3,4-dihydrocoumarins is reported. The reaction of 2-allyl phenols with synthesis gas was catalyzed by PdI2, and… Expand
Pd-Catalyzed Regioselective Alkoxycarbonylation of 1-Alkenes Using a Lewis Acid [SnCl2 or Ti(O(i)Pr)4] and a Phosphine.
- Manuel Amézquita-Valencia, George Achonduh, H. Alper
- Chemistry, Medicine
- The Journal of organic chemistry
- 5 June 2015
The phosphine ligand mediated palladium catalyzed alkoxycarbonylation of alkenes was investigated with the objective of attaining good linear selectivity for the ester. The effect of various… Expand
Synthesis of 2,3‐Disubstituted Indoles from α‐Diketones and N‐Substituted Anilines: One‐Pot Pd‐Catalyzed Reductive Amination
Herein, we report a new straightforward catalytic synthesis of 2,3‐disubstituted indoles from α‐diketones 1 and N‐substituted anilines 2 by employing a palladium(II)… Expand
Palladium-Catalyzed Regioselective C-Benzylation via a Rearrangement Reaction: Access to Benzyl-Substituted Anilines.
An unprecedented C-benzylation rearrangement reaction, catalyzed by palladium, is reported. The reaction proceeds by rearrangement leading to the direct synthesis of para or ortho benzyl-substituted… Expand
Regioselective Alkoxycarbonylation of Allyl Phenyl Ethers Catalyzed by Pd/dppb under Syngas Conditions.
The synthesis of phenoxy and phenylthio esters proceeds with excellent selectivity in favor of the linear product.
PdI2‐Catalyzed Regioselective Cyclocarbonylation of 2‐Allyl Phenols to Dihydrocoumarins.
Virtually identical reaction yields are achieved using the 6-tetradecyl analogue of the ligand, 1,3,4,7-tetramethyl-6-phenyl-2,4,8-trioxa-6-phospaadamantane.
Regioselective Synthesis of 4,5‐Dihydro‐6H‐oxepino[3,2‐c]chromene‐2,6(3H)‐diones through Palladium‐Catalyzed Intramolecular Alkoxycarbonylation of 3‐Allyl‐4‐hydroxycoumarins
Cobalt‐Catalyzed Hydrogenation of β‐Enamino Esters Using an Internal Mixture Of bidentate and Monodentate Ligands.
[(S)-BINAP]PdBr2-Catalyzed Direct Synthesis of 2,3-Disubstituted Indoles via a Tandem Reaction Between Arylamines and α-Diketones.
- Armando Cabrera, P. Sharma, M. Ayala, L. Rubio-Pérez, Manuel Amézquita-Valencia
- 10 April 2012
Interestingly, unsymmetrical 1,2-diones react highly regioselectively with the bulkier substituent at the 2-position of the resulting indole.