Photochemical and thermal cyclizations of 4-(2-azidophenyl)-3,4-dihydropyrimidin-2-ones for the synthesis of 4-methylenepyrimidino[5,4-b]indol-2-ones |
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| Authors: | Yu-wei RenXuerui Wang Weixia WangBing Li Zong-jun ShiWei Zhang |
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| Institution: | State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, PR China |
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| Abstract: | Photochemical and thermal cyclization of 4-(2-azidophenyl)-3,4-dihydropyrimidin-2-ones could afford fused indoles, such as 1,2,3a,9b-tetrahydro-4-methylenepyrimidino5,4-b]indol-2-ones and 1,3,5,6,7a,12b-hexahydroquinazolino9,4-b]indol-2,7-dione in high yields via nitrene electrophilic addition and rearrangement reactions. |
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| Keywords: | Photocyclization Thermolysis 4-(2-Azidophenyl)-3 4-dihydropyrimidin-2-ones 4-Methylenepyrimidino[5 4-b]indol-2-ones |
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