113794-23-3

Upstream product

• 629-05-0 n-octyne 
• 1461-22-9 tributyltin chloride 
• 688-73-3 tri-n-butyl-tin hydride 
• 1067-52-3 tributyltin methoxide 

Downstream Products

• 159572-63-1 1-(6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranosyl)oct-1-yne 
• 158999-83-8 1-(6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-β-D-galactopyranosyl)oct-1-yne 
• 158895-45-5 1-(6-O-acetyl-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-galactopyranosyl)oct-1-yne 
• 917774-29-9 (E)-2-heptylidene-3-hexyl-5-methylcyclohex-3-enol 
• 1461-23-0 tributyltin bromide 
• 99209-26-4 4-(oct-1-yn-1-yl)benzaldehyde 
• 926317-81-9 (Z)-1-(4-chlorophenyl)-4-(tributylstannyl)dec-3-en-1-yne 
• 926317-81-9 (E)-1-(4-chlorophenyl)-4-(tributylstannyl)dec-3-en-1-yne 
• 461463-75-2 (Z)-1-phenyl-4-(tributylstannyl)dec-3-en-1-yne 
• 461463-75-2 (E)-1-phenyl-4-(tributylstannyl)dec-3-en-1-yne 
• 926317-77-3 (Z)-1-(4-methoxyphenyl)-4-(tributylstannyl)dec-3-en-1-yne 
• 926317-77-3 (E)-1-(4-methoxyphenyl)-4-(tributylstannyl)dec-3-en-1-yne 
• 926317-87-5 (Z)-1-(1-cyclohexenyl)-4-(tributylstannyl)dec-3-en-1-yne 
• 926317-87-5 (E)-1-(1-cyclohexenyl)-4-(tributylstannyl)dec-3-en-1-yne 

Relevant academic research and scientific papers

GaBr3-catalyzed Coupling between α-Iodo Esters with Alkynylstannanes under UV Irradiation

A coupling between various alkynylstannanes with α-iodo esters was catalyzed by GaBr3 under UV irradiation conditions, for which a catalytic amount of GaBr3 was essential, and a radical coupling with the generated alkynylgallium species was involved. The desired α-alkynyl esters were selectively obtained even in the presence of an aryl-I bond, which is a reactive site in a conventional palladium-catalyzed system.

Synthesis of tetraalkyl naphthalene bisanhydride and its model condensations with amines

To improve the solubility of naphthalene bisanhydride (NTCA), four alkyl groups are incorporated to the naphthalene core via a five-step procedure. The new naphthalene bisanhydride derivative (TO-NTCA) shows much higher reactivity than the parent NTCA in the model condensations with ortho-diaminobenzene and 2-ethylhexylamine and gives corresponding soluble molecules with excellent yields. Hence, TO-NTCA is a potential monomer for condensations.

A Drastic Effect of TEMPO in Zinc-Catalyzed Stannylation of Terminal Alkynes with Hydrostannanes via Dehydrogenation and Oxidative Dehydrogenation

With a system consisting of a catalytic zinc Lewis acid, pyridine, and TEMPO in a nitrile medium, terminal alkynes coupled with HSnBu3, providing alkynylstannanes with structural diversity. The resulting alkynylstannane, without being isolated, could be directly used for Pd- and Cu-catalyzed transformations to deliver internal alkynes and more intricate tin-atom-containing molecules. Mechanistic studies indicated that TEMPOSnBu3 formed in situ from TEMPO and HSnBu3 works to stannylate the terminal alkyne in collaboration with the zinc catalyst, and that both of dehydrogenation and oxidative dehydrogenation processes are uniquely involved in a single reaction. (Figure presented.).

The Synthesis and Some Properties of the First Boron-Stabilized Alkenyl Carbanions

Calculations indicate a high degree of stabilization of H2BC=CH2 and that it has an allene-type structure H2B=C=CH2.Routes to boron-stabilized alkenyl carbanions have been established for the first time, and alkylation and protonation studies are described.