- Overcoming the Deallylation Problem: Palladium(II)-Catalyzed Chemo-, Regio-, and Stereoselective Allylic Oxidation of Aryl Allyl Ether, Amine, and Amino Acids
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We report herein a Pd(II)/bis-sulfoxide-catalyzed intramolecular allylic C-H acetoxylation of aryl allyl ether, amine, and amino acids with the retention of a labile allyl moiety. Mechanistically, the reaction proceeds through a distinct double-bond isomerization from the allylic to the vinylic position followed by intramolecular carboxypalladation and the β-hydride elimination pathway. For the first time, C-H oxidation of N-allyl-protected amino acids to furnish five-membered heterocycles through 1,3-syn-addition is established with excellent diastereoselectivity.
- Begam, Hasina Mamataj,Jana, Ranjan,Manna, Kartic,Samanta, Krishanu
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p. 7443 - 7449
(2020/10/09)
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- APOPTOSIS SIGNAL-REGULATING KINASE INHIBITORS AND USES THEREOF
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Described herein are ASK1 inhibitors and pharmaceutical compositions comprising said compounds. The subject compounds and compositions are useful for the treatment of blood disease, autoimmune disorders, pulmonary disorders, hypertension, inflammatory diseases, fibrotic diseases, diabetes, diabetic nephropathy, renal diseases, respiratory diseases, cardiovascular diseases, acute lung injuries, acute or chronic liver diseases, and neurodegenerative diseases.
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- Oxidative cyclization of alkenoic acids promoted by AgOAc
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Alkenoic acids derived from salicylic acid and analogues undergo an unexpected oxidative cyclization process triggered by AgOAc leading to 4H-benzo[d][1,3]dioxin-4-ones. The process is affected by the substitution on the aryl and the allyl units.
- Carrillo-Arcos, Ulises A.,Rojas-Ocampo, Jonathan,Porcel, Susana
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p. 479 - 483
(2016/01/09)
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- ALLYLQXY AND ALKYLOXY BENZOIC ACID DELIVERY AGENTS
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The present invention relates to pharmaceutical compounds for delivering active agents, such as biologically or chemically active agents, to a target. The invention also relates to pharmaceutical compositions comprising at least one delivery agent compound of the present invention and at least one active agent, and unit dosage forms comprising such compositions. Methods for the preparation and administration of the pharmaceutical compositions are also disclosed.
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Page/Page column 34
(2008/12/07)
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