作者:My Linh Tong、Lena Theresa Leusch、Kristina Holzschneider、Stefan F. Kirsch
DOI:10.1021/acs.joc.0c00465
日期:2020.5.1
Rubazonic acids are a class of dyes that are long-known, but studies on their syntheses and uses are rare. We now describe an experimentally simple and highly practical one-pot procedure for their synthesis starting from easily accessible 1H-pyrazol-5(4H)-ones. This protocol provides direct access to a broad range of the desired rubazonic acid derivatives through oxidative diazidation combined with
WEBER G.; MANN G.; WILDE M.; HAUPTMANN S., Z. CHEM., 1980, 20, NO 12, 437-438
作者:WEBER G.、 MANN G.、 WILDE M.、 HAUPTMANN S.
DOI:——
日期:——
A Synthetic Route Toward Tetrazoles: The Thermolysis of Geminal Diazides
作者:Kristina Holzschneider、My Linh Tong、Fabian Mohr、Stefan F. Kirsch
DOI:10.1002/chem.201902131
日期:2019.9.6
initial oxidative diazidation reaction with iodine and sodium azide under mild conditions is followed by the thermal fragmentation undermicrowaveirradiation, leading to the tetrazole products. Noteworthy, an experimental solution is presented in which the potentially hazardous diazide intermediates are not isolated and the concentration of crude reaction mixtures containing diazides is not required to