155934-15-9

Upstream product

• 25209-35-2 4-methyl-2, 2-diphenylpent-4-enoic acid 
• 117-34-0 2,2-diphenylacetic acid 
• 107556-97-8 methyl 2,2-diphenyl-4-methyl-4-pentenoate 
• 3469-00-9 methyl 2,2-diphenylacetate 

Downstream Products

• 155934-24-0 4-methyl-2,2-diphenyl-4-pentenal 
• 1621999-12-9 (1S,4R)-4-methyl-1-phenyl-1,2,4,5-tetrahydro-1,4-methanobenzo[d]oxepine 
• 155934-19-3 (E)-2-methyl-7-dimethylthexylsilyloxy-4,4-diphenyl-5-hepten-1-ol 
• 155934-18-2 (E)-2-methyl-7-dimethylthexylsilyloxy-4,4-diphenyl-1,5-heptadiene 
• 155934-16-0 ethyl (E)-6-methyl-4,4-diphenyl-2,6-heptadienoate 
• 155934-17-1 (E)-6-methyl-4,4-diphenyl-2,6-heptadien-1-ol 

Relevant academic research and scientific papers

Intramolecular hydroalkoxylation in Bronsted acidic ionic liquids and its application to the synthesis of (±)-centrolobine

The SO3H-tethered imidazolium and triazolium salts, nonvolatile and recyclable Bronsted acidic ionic liquids, efficiently mediate intramolecular hydroalkoxylations of alkenyl alcohols. They have been successfully employed in the synthesis of (±)-centrolobine.

Niobium-Catalyzed Intramolecular Addition of O-H and N-H Bonds to Alkenes: A Tool for Hydrofunctionalization

A convenient, versatile, and easy to handle intramolecular hydrofunctionalization of alkenes (C-O and C-N bonds formation) is reported using a novel niobium-based catalytic system. This atom economic and eco-friendly methodology provides an additional synthetic tool for the straightforward formation of valuable building blocks enabling molecular complexity. Various pyran, furan, pyrrolidine, piperidine, lactone, and lactam derivatives as well as spirocyclic compounds are produced in high yields and selectivities.

Intramolecular Hydroalkoxylation of Unactivated Alkenes Using Silane-Iodine Catalytic System

A novel catalytic system using I2 and PhSiH3 for the intramolecular hydroalkoxylation of unactivated alkenes is described. NMR study indicated that in situ generated PhSiH2I is a possible active catalytic species. This catalytic system allows an efficient intramolecular hydroalkoxylation of phenyl-, trialkyl-, and 1,1-dialkyl-substituted alkenes as well as a variety of unactivated monoalkyl- and 1,2-dialkyl-substituted alkenes at room temperature. Mechanistic consideration based on significant experimental observations is also discussed.

FUSED FURAN CONSTRUCTION VIA AN INTRAMOLECULAR CYCLOADDITION REACTION: SYNTHESES OF 4H-CYCLOHEPTA- AND 4H-CYCLOPENTAFURANS

General and efficient syntheses of 4H-cyclohepta- and 4H-cyclopentafurans (4 and 5) have been accomplished employing the intramolecular dipolar cycloaddition based fused furan construction strategy.Treatment of the oximes (20 and 29), readily pre