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Green Chemistry
Page 5 of 5
DOI: 10.1039/C7GC00901A
Journal Name
COMMUNICATION
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5,6-dichloro-1H-benzo[d][1,2,3]triazole: H NMR ((CD3)2SO, 400
MHz): δ(ppm) = 8.26 (s, 2H). 13C NMR ((CD3)2SO, 100 MHz):
δ(ppm) =116.99, 128.59, 138.68. MS: C6H3Cl2N3: 187(M+, 100%);
189(64%); 159(73%).
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20 X. Liu, G. Yu, J. Li, D. Wang, Y. Chen, K. Shi and B. Chen, Synlett
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4-bromo-6-(trifluoromethyl)-1H-benzo[d][1,2,3]triazole:
1H
NMR ((CD3)2SO, 400 MHz): δ(ppm) = 8.28 (s, 1H), 7.77 (s, 1H).
13C NMR ((CD3)2SO, 100 MHz): δ(ppm) = 109.60, 113.88, 122.62,
125.49, 125.81, 140.95, 142.61. MS: C7H3BrF3N3: 245(M+, 100%);
118(91%), 91(50%).
5-chloro-6-fluoro-1H-benzo[d][1,2,3]triazole:
1H
NMR
((CD3)2SO, 400 MHz): δ(ppm) = 8.27 (s, 1H), 7.98 (s, 1H). 13C
NMR ((CD3)2SO, 100 MHz) δ(ppm) = 109.60, 113.84, 122.65,
125.59, 125.91, 140.84, 142.57. MS: C6H3ClFN3: 171(M+, 100%);
143(60%).
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