• 1. Bifunctional thiourea-modified polymers of intrinsic microporosity for enantioselective α-amination of 3-aryl-2-oxindoles in batch and flow conditions
  Laura Martín,Alicia Maestro,José M. Andrés,Rafael Pedrosa Org. Biomol. Chem. 2020 18 9275
• 2. Bifunctional thiourea-modified polymers of intrinsic microporosity for enantioselective α-amination of 3-aryl-2-oxindoles in batch and flow conditions
  Laura Martín,Alicia Maestro,José M. Andrés,Rafael Pedrosa Org. Biomol. Chem. 2020 18 9275
• 3. An expedient route to heterocycles through α-arylation of ketones and arylamides by microwave induced thermal SRN1 reactions
  Silvia M. Soria-Castro,Daniel A. Caminos,Alicia B. Pe?é?ory RSC Adv. 2014 4 17490
• 4. Diverse reactivity of isatin-based N,N′-cyclic azomethine imine dipoles with arynes: synthesis of 1′-methyl-2′-oxospiro [indene-1,3′-indolines] and 3-aryl-3-pyrazol-2-oxindoles
  Ramakrishnan Suseela Meerakrishna,Suresh Snoxma Smile,Mohanakumaran Athira,Venkata Surya Kumar Choutipalli,Ponnusamy Shanmugam New J. Chem. 2020 44 11593
• 5. Friedel–Crafts alkylations of electron-rich aromatics with 3-hydroxy-2-oxindoles: scope and limitations
  Lakshmana K. Kinthada,Santanu Ghosh,K. Naresh Babu,Mohd. Sharique,Soumava Biswas,Alakesh Bisai Org. Biomol. Chem. 2014 12 8152

• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Indoles and derivatives Indolines

Introduction to 3-Phenyl-oxindole (CAS No. 3456-79-9)

3-Phenyl-oxindole, with the CAS number 3456-79-9, is a versatile compound that has garnered significant attention in the fields of medicinal chemistry and pharmaceutical research. This compound belongs to the class of oxindoles, which are characterized by a 3,3-dihydro-2H-indol-2-one core structure. The presence of a phenyl group at the 3-position imparts unique chemical and biological properties, making 3-Phenyl-oxindole a valuable scaffold for the development of novel therapeutic agents.

The chemical structure of 3-Phenyl-oxindole consists of a benzene ring fused to an indole ring, with a ketone group at the 2-position and a phenyl substituent at the 3-position. This structural arrangement provides a platform for diverse chemical modifications, enabling researchers to explore a wide range of pharmacological activities. Recent studies have highlighted the potential of 3-Phenyl-oxindole derivatives in various therapeutic areas, including neurodegenerative diseases, cancer, and inflammation.

In the context of neurodegenerative diseases, 3-Phenyl-oxindole derivatives have shown promising results as inhibitors of β-secretase (BACE1), an enzyme implicated in the pathogenesis of Alzheimer's disease. BACE1 is responsible for cleaving amyloid precursor protein (APP) to generate amyloid-beta (Aβ) peptides, which aggregate to form toxic plaques in the brain. By inhibiting BACE1, these compounds can potentially reduce Aβ production and slow down disease progression. A recent study published in the Journal of Medicinal Chemistry reported that a series of 3-Phenyl-oxindole-based BACE1 inhibitors exhibited high potency and selectivity, making them attractive candidates for further preclinical evaluation.

Beyond neurodegenerative diseases, 3-Phenyl-oxindole derivatives have also been investigated for their anticancer properties. Research has shown that these compounds can target multiple signaling pathways involved in cancer cell proliferation and survival. For instance, a study published in Cancer Letters demonstrated that certain 3-Phenyl-oxindole-derived compounds effectively inhibited the PI3K/AKT/mTOR pathway, which is frequently dysregulated in various types of cancer. This inhibition led to reduced cell viability and increased apoptosis in both in vitro and in vivo models. These findings suggest that 3-Phenyl-oxindole-based drugs could be developed as novel anticancer agents with broad-spectrum activity.

In addition to their neuroprotective and anticancer effects, 3-Phenyl-oxindole derivatives have also been explored for their anti-inflammatory properties. Inflammation is a key factor in many chronic diseases, including arthritis and inflammatory bowel disease (IBD). A study published in Bioorganic & Medicinal Chemistry Letters reported that certain 3-Phenyl-oxindole-based compounds exhibited potent anti-inflammatory activity by inhibiting the production of pro-inflammatory cytokines such as TNF-α and IL-6. These compounds were found to be effective in both cellular and animal models of inflammation, suggesting their potential as therapeutic agents for inflammatory disorders.

The synthetic accessibility of 3-Phenyl-oxindole further enhances its appeal as a lead compound for drug discovery. Various synthetic routes have been developed to access this scaffold, allowing for efficient and scalable production of derivatives with desired biological activities. One common approach involves the reaction of 2-indolinone with benzaldehyde or other aromatic aldehydes under appropriate conditions. This method provides a flexible platform for introducing diverse substituents at different positions on the oxindole core, enabling researchers to fine-tune the pharmacological properties of the resulting compounds.

In conclusion, 3-Phenyl-oxindole (CAS No. 3456-79-9) represents a promising scaffold for the development of novel therapeutic agents with diverse applications. Its unique chemical structure and biological properties make it an attractive target for medicinal chemists and pharmaceutical researchers. Ongoing studies continue to uncover new insights into the mechanisms of action and potential therapeutic uses of this compound, paving the way for its translation into clinical practice.

• 97-36-9(2,4-Dimethylacetoacetanilide)
• 3484-35-3(5-Methylindolin-2-one)
• 3680-28-2(7-Methylindolin-2-one)
• 23210-22-2(3-Methyl-1-phenylindoline-2-one)
• 1504-06-9(3-Methyloxindole)
• 122-85-0(N-(4-Formylphenyl)acetamide)
• 59-48-3(Oxindole)
• 77-21-4(DL-Glutethimide)
• 19501-89-4(3,3,7-Trimethylindolin-2-one)
• 729598-50-9(5,7-Dimethylindolin-2-one)