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Upstream product

• 5703-26-4 4-Methoxyphenylacetaldehyde 
• 23451-96-9 2-amino-5-methylthiophenol 
• 60512-57-4 1-(2,2-dibromovinyl)-4-methoxybenzene 
• 31183-91-2 2-[(2-amino-5-methylphenyl)dithio]-4-methylphenylamine 
• 106-49-0 p-toluidine 
• 100-06-1 1-(4-methoxyphenyl)ethanone 
• 33675-41-1 1-bromo-2-(4-methoxyphenyl)acetylene 

Relevant academic research and scientific papers

New synthesis of 2-aroylbenzothiazolesviametal-free domino transformations of anilines, acetophenones, and elemental sulfur

A new synthesis of 2-aroylbenzothiazolesviaiodine-promoted domino transformations of anilines, acetophenones, and elemental sulfur was demonstrated. The highlights of this tandem synthesis are (1) easily available anilines and acetophenones as feedstock;

Synthesis of 2-Acylbenzothiazoles via the Cu(OTf)2-Catalyzed tandem reaction of β,β-Dihalidestyrenes with 2,2′- Disulfanediyldianilines

A new method has been developed for the one-pot construction of 2-acylbenzothiazoles via the Cu(OTf)2-catalyzed tandem reaction of β,β-dihalidestyrenes with 2,2′-disulfane-diyldianilines. A variety of different dihalidestyrenes and diphenyldisulfanes were efficiently converted into the corresponding 2-acylbenzothiszole derivatives in the presence of Cu(OTf)2. Most importantly, this protocol allowed for the long chain 1,1-dibromohept-1-ene to be converted into the corresponding 2-hexylbenzo[d]thiazole in moderate yield. Georg Thieme Verlag Stuttgart, New York.

Fe-promoted oxidative cyclization of α-benzoylthioformanilides for the synthesis of 2-benzoylbenzothiazoles

2-Benzoylbenzothiazoles were obtained in good yields via an efficient synthesis involving oxidative cyclization of α-benzoylthioformanilides catalyzed by FeCl3. This protocol has the advantages of short reaction times, moderate to good yields,

A sustainable synthesis of 2-benzoxazyl and 2-benzothiazyl ketones from alkynyl bromides and 2-amino(thio)phenols promoted by a recyclable catalytic system

An environmentally and economically sustainable synthesis of 2-benzoxazyl ketones and 2-benzothiazyl ketones through FeCl3·6H 2O catalyzed tandem reactions of alkynyl bromides with 2-amino(thio)phenols in [bmim]BF4 has been developed. Remarkable advantages of this new synthetic strategy include high efficiency, readily available starting materials, and recyclable catalyst and reaction medium. An environmentally and economically sustainable synthesis of 2-benzoxazyl ketones and 2-benzothiazyl ketones through FeCl3·6H2O catalyzed tandem reactions of alkynyl bromides with 2-amino(thio)phenols in [bmim]BF4 has been developed. Remarkable advantages of this new synthetic strategy include high efficiency, readily available starting materials, and recyclable catalyst and reaction medium. Copyright

Rucl33h2o catalyzed tandem reaction of alkynylbromides with 2-aminothiophenols in water: A convenient synthesis of 2-benzoylbenzothiazoles

RuCl33H2O catalyzed tandem reaction of alkynyl bromides with 2-aminothiophenols mediated by water is shown to represent a convenient synthesis of 2-benzoylbenzothiazoles. In addition, the Ru(iii) catalyst could be readily recovered and efficiently reused together with water up to three times. CSIRO 2011.

Synthesis of heteroaryl ketones via tandem reaction of 1,1-dibromoethenes

A novel method for the synthesis of heteroaryl ketones through one-pot tandem reaction of 1,1-dibromoethenes with 2-amino(thio)phenols promoted by TBAF·3H2O and RuCl3(5%)/air was developed. This novel method includes several reactions in one-pot and utilizes economical yet efficient reagents to generate synthetically and biologically interesting heteroaryl ketones under mild conditions with good efficiency.

A novel and practical synthesis of 2-benzoylbenzothiazoles and 2-benzylbenzothiazoles

A novel methodology for the synthesis of 2-benzoylbenzothiazoles and 2-benzylbenzothiazoles through FeCl3·6H2O catalyzed, air oxidized tandem process from commercially available 2-aminothiophenols and phenylacetaldehydes by using an