2021-01-07
Carina Glas, Ricky Wirawan, Franz Bracher
N-Aryl-1,2,3,4-tetrahydroisoquinolines are obtained via a convenient and short protocol with a broad range of substituents on both aromatic rings and high functional group tolerance. Starting from readily available ortho-brominated aromatic aldehydes and primary aromatic amines, condensation of these building blocks under reductive conditions gives N-aryl 2-bromobenzylamines. The C-3/C-4-unit of the tetrahydroisoquinoline is introduced using commercially available 2-ethoxyvinyl pinacolboronate under Suzuki conditions. Finally, the obtained crude ortho-ethoxyvinyl benzylamines are cyclized via an intramolecular reductive amination using the combination of triethylsilane/TFA to give the desired N-aryl-1,2,3,4-tetrahydroisoquinolines.
Speaker: Prof. Dr. Thomas Carell
Ludwig-Maximilians-Universität München
Institut für Chemische Epigenetik (ICEM)
Department of Chemistry
Office:
Würmtalstrasse 201
81377 Munich
Germany
Mailing address:
Butenandtstr. 5 - 13
81377 Munich
Germany
Phone: +49 (0)89 2180-77750
Fax: +49 (0)89 2180-77756
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Secretary: Birgit Carell
Institute for Chemical Epigenetics Munich (ICEM)
Office:
Würmtalstrasse 201, Haus L - EG / Room: 007
81377 Munich
Germany
Mailing address:
Butenandtstr. 5 - 13
81377 Munich
Germany
Phone: +49 (0)89 2180-77751
Fax: +49 (0)89 2180-77881
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Prof. Dr. Lena Daumann
LMU Munich
Department of Chemistry
Butenandtstr. 5 - 13
House D, Room 3.075
81377 Munich, Germany
Phone: +49 89 2180 77486
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Dr. Sabine Schneider
LMU Munich
Institute for Chemical Epigenetics
Butenandtstr. 5 - 13
House L
81377 Munich, Germany
Phone: +49 89 2180 77716
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Dr. Martin Sumser (Coordinator)
LMU Munich
Institute for Chemical Epigenetics
Butenandtstr. 5 - 13
House L
81377 Munich, Germany
Phone: +49 89 2180 77765
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