Journal
CHINESE CHEMICAL LETTERS
Volume 33, Issue 12, Pages 5069-5073Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2022.03.084
Keywords
2-(2-(Arylethynyl)benzylidene)malononitriles; 2,6-Di(tert-butyl)-4-methylphenol; Bridged spirocyclic compounds; Visible-light-induced organosynthesis
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Funding
- National Natural Science Foundation of China [22071171]
- Natural Science Foundation of Zhejiang Province [LZ22B020003]
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A green and highly efficient strategy was developed for the preparation of bridged spirocyclic compounds via visible-light-induced cyclization. The reaction proceeded smoothly under simple and mild conditions, yielding the desired products in good yields.
A green and highly efficient strategy for the preparation of bridged spirocyclic compounds via visible-light-induced cyclization of 2-(2-(arylethynyl)benzylidene)malononitrile derivatives with 2,6-di(tert-butyl)-4-methylphenol (BHT) at room temperature was developed. The photoinduced radical reactions generated the corresponding products in good yields under simple and mild reaction conditions. (c) 2022 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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