Cu(II)-catalyzed direct thiolation of azoles with thiols is described via intermolecular C–S bond formation/C–H functionalization under oxidative conditions. Both aryl thiols and aliphatic thiols are used as coupling partners, and furnished the thiolation products in moderate to good yields. The reaction is compatible with a wide range of heterocycles including oxazole, thiazole, imidazole and oxadiazole.
Synthesis and reactivity of benzoxa(thia)zol-2-thiones: new route to 2-alkylthiobenzoxa(thia)zoles
作者:Abdallah Harizi、Anis Romdhane、Zine Mighri
DOI:10.1016/s0040-4039(00)00758-9
日期:2000.7
The reaction of aromaticprimaryamines 1 with carbon disulfide in the presence of a catalytic amount of triethylamine followed by treatment with aqueoushydrogenperoxide leads to the corresponding benzoxa(thia)zol-2-thiones 3a–c which can be transformed with iminoethers into 2-alkylthiobenzoxa(thia)zoles 5a–h in good yields (64–85%).
Inhibiting germination of clostridium perfringens spores to reduce necrotic enteritis
申请人:The Board of Regents of the Nevada System of Higher Education on Behalf of the University of Nevada
公开号:US10945996B2
公开(公告)日:2021-03-16
Provided herein are materials and methods useful for reducing, preventing, and/or inhibiting germination of C. perfringens spores, including methods for inhibiting C. perfringens germination to reduce necrotizing enteritis (NE, also referred to as necrotic enteritis) in animals. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
A Novel Synthesis of 2-Alkylthiobenzothiazoles and 2-Alkylthiobenzoxazoles
作者:Yanfei Yu、Zhengning Li、Lan Jiang
DOI:10.1080/10426507.2011.636229
日期:2012.5
3H-Benzothiazole-2-thione and 3H-benzoxazole-2-thione were selectively S-alkylated by use of O-alkylisoureas as the alkylating reagents. The reactions could be performed under mild reaction conditions in short reaction times, and high yields were obtained using O-primary-alkylisoureas, whereas low yields were obtained with sec- and tert-alkylisoureas.
ALIEV N. A.; AFLYATUNOVA R. G.; GIYASOV K., FUNGITSIDY, TASHKENT, 1980, 46-65