10561-30-5Relevant articles and documents
Fly-ash-supported synthesis of 2-mercaptobenzothiazole derivatives under microwave irradiation
Narkhede, Hemant P.,More, Uttam B.,Dalal, Dipak S.,Pawar, Nilesh S.,More, Dhananjay H.,Mahulikar, Pramod P.
, p. 575 - 579 (2007/10/03)
Microwave-assisted, solvent-free alkylation and acylation of 2-mercaptobenzothiazole has been attempted using silica gel, alumina, and a new solid support, fly ash. Fly ash, a waste generated at thermal power stations, could be used as solid support just as efficiently as commercial supports. The additional features of methodology include a much faster reaction, easy workup, higher yields, higher purity of the products, and an ecofriendly approach. Copyright Taylor & Francis Group, LLC.
Acylation and alkoxycarbonylation of benzoxazoline-2-thione and benzothiazoline-2-thione
Nishio, Takehiko,Shiwa, Kiyoko
, p. 313 - 324 (2007/10/03)
Acylation of benzoxazoline-2-thione (1) and benzothiazoline-2-thione (2) with acetic anhydride (3) and acyl chlorides (4) gave N-acyl (5, 6) and/or S-acyl (7, 8) derivatives depending on the nature of acylating agents and bases used. Alkoxycarbonylation of 1 with aralkyl chlorocarbonates (9) gave N-alkoxycarbonyl derivatives (10) mainly, while that of 2 with aralkyl chloroccarbonates (9) gave S-alkoxycarbonyl derivatives (12) exclusively. Photolysis of N-acyl derivatives (5 or 6) in the presence of alcohols afforded 1 or 2, respectively, together with esters (16).
