Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 364, Issue 23, Pages 4069-4074Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202200953
Keywords
Carbocation-catalyzed; Triphenylcarbenium Tetrafluoroborate; Green Synthesis; Diarylmethylamines
Categories
Funding
- Taishan Scholars Construction Projects of Shandong [tsqn201812075]
- Natural Science Foundation of Shandong Province for Distinguished Young Scholars [ZR2020JQ07]
- Youth Innovation Science and Technology Plan of Colleges and Universities in Shandong Province [2019KJC003]
- Natural Science Foundation of China [21702115, 21801007]
- Natural Science Foundation of Shandong Province, China [ZR2019PB020, ZR2017BB028, ZR2016JL012]
- Qingdao University of Science Technology
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A metal-free method for synthesizing diarylmethylamines was developed using a 1,6-addition reaction of 1-aminobenzotriazole with p-quinone methides catalyzed by triphenylcarbenium tetrafluoroborate. The diarylmethylamines were obtained in moderate to good yields (up to 84%) under mild conditions, and showed unchanged activity after 6 reuses.
A metal-free synthesis of diarylmethylamines via triphenylcarbenium tetrafluoroboratecatalyzed 1,6-addition of 1-aminobenzotriazole to p-quinone methides (p-QMs) was developped. Under mild condition, diarylmethylamines could be obtained in moderate to good yields (up to 84%) by simple filtration, showing essentially unchanged activity after 6 reuses.
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