28783-33-7

Upstream product

• 4701-17-1 5-bromo-2-thiophencarboxaldehyde 
• 75-52-5 nitromethane 
• 57070-80-1 2-bromo-5-vinylthiophene 

Downstream Products

• 86423-64-5 2-(2-aminoethyl)-5-bromothiophene 
• 1380395-02-7 (1R,2R,3R,4R,5R,6S)-3,5-bis(5-bromothiophen-2-yl)-2-methyl-4,6-dinitrocyclohexanol 

Relevant academic research and scientific papers

Chlorination of Conjugated Nitroalkenes with PhICl 2and so 2Cl 2for the Synthesis of α-Chloronitroalkenes

Chlorination of conjugated nitroalkenes with iodobenzene dichloride or sulfuryl chloride to give target α-chloronitroalkenes in good yields is described. Details of the procedure depend on the donating ability of the nitroalkene substituents. The activity of the described chlorinating agents increases in order 'PhICl 2/Py' 2Cl 2' 2Cl 2/HCl' with the former producing the best yields for highly donating substrates and the latter for non-activated groups. An autocatalytic role of hydrogen chloride and the chemoselectivity of chlorination were also demonstrated.

Visible-Light-Promoted Cross-Coupling of N-Alkylpyridinium Salts and Nitrostyrenes

A stereoselective, denitrative cross-coupling of β-nitrostyrenes with N-alkylpyridinium salts for the preparation of functionalized styrenes has been developed. The visible-light-induced reaction proceeds without any catalyst at ambient temperature. Broad in scope and tolerant to multiple functional groups, the moderately yielding transformation is orthogonal to several traditional metal-catalyzed cross-couplings.

17a-HYDROXYLASE/C17,20-LYASE INHIBITORS

The present invention provides compounds of Formula (I), or a pharmaceutically acceptable salt thereof, where R1, R2, R3, R4, R5, R6, A and n are as defined herein. A deuteriated derivative of the compound of Formula (I) is also provided.

Efficient and stereoselective nitration of mono- and disubstituted olefins with AgNO2 and TEMPO

Nitroolefin is a common and versatile reagent. Its synthesis from olefin is generally limited by the formation of mixture of cis and trans compounds. Here we report that silver nitrite (AgNO2) along with TEMPO can promote the regio- and stereoselective nitration of a broad range of olefins. This work discloses a new and efficient approach wherein starting from olefin, nitroalkane radical formation and subsequent transformations lead to the desired nitroolefin in a stereoselective manner.

17α-HYDROXYLASE/C17,20-LYASE INHIBITORS

The present invention provides compounds of Formula (I), or a pharmaceutically acceptable salt thereof, where R1, R2, R3, R4, R5, R6, A and n are as defined herein. A deuteriated derivative of the compound of Formula (I) is also provided.