Journal
ORGANIC LETTERS
Volume 23, Issue 7, Pages 2754-2759Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c00664
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Funding
- National Natural Science Foundation of China [22001045]
- Science Foundation for Distinguished Young Scholars for Guangdong Province [2020B1515020026]
- Scientific Research Projects for Key Disciplines of Guangdong Province [2019-GDXK-0009]
- Key Projects of Social Welfare and Basic Research of Zhongshan City [2020B2007]
- Innovation and Strong School Project of Guangdong Pharmaceutical University [2019KQNCX061, 2018KQNCX131]
- Guangdong Cosmetics Engineering & Technology Research Center
- Provincial Experimental Teaching Demonstration Center of Chemistry & Chemical Engineering
- key disciplines construction from Guangdong and Zhongshan cooperating
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A direct cascade cyclization of 3-aminoindazoles, ynals, and accessible chalcogens facilitated by visible light has been developed. Fluoroactive selenium/tellurium-substituted pyrimido[1,2-b]-indazoles were easily accessed in moderate to good yields with a broad scope, and the spectral properties of selenide pyrimido[1,2-b]-indazoles prepared by this method were surveyed.
A direct cascade cyclization of 3-aminoindazoles, ynals, and accessible chalcogens facilitated by visible light has been developed. A series of fluoroactive selenium/tellurium-substituted pyrimido[1,2-b]-indazoles were easily accessed in moderate to good yields with a broad scope. Furthermore, we surveyed the spectral properties of selenide pyrimido[1,2-b]-indazoles prepared by this method.
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