Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 40, Issue 7, Pages 819-824Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.202100809
Keywords
Hydantoins; Thiazolidinediones; Phosphine-oxazoline ligand; Iridium; Asymmetric catalysis
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Funding
- National Key R&D Program of China [2018YFE0126800]
- National Natural Science Foundation of China [22001164, 21620102003, 21991112]
- Shanghai Municipal Education Commission [201701070002E00030]
- Shanghai Pujiang Program [20PJ1406400]
- Shanghai Jiao Tong University
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In this work, we developed an iridium-catalyzed asymmetric hydrogenation of hydantoin and thiazolidinedione derived exocyclic alkenes using BiphPHOX as a ligand. The reaction showed excellent functional group tolerance and provided the hydrogenated products with high yields and enantioselectivities. Moreover, the hydrogenated product can be efficiently transformed into an intermediate for the synthesis of a HIV protease inhibitor.
Comprehensive Summary Herein, we report an iridium-catalyzed asymmetric hydrogenation of hydantoin and thiazolidinedione derived exocyclic alkenes using our developed BiphPHOX as a ligand. The transformation shows good functional group tolerance, and gives the hydrogenated products with excellent yields (up to 99%) and enantioselectivities (up to 98% ee). A gram-scale reaction was also carried out, and provided the hydrogenated product in excellent yield with no erosion in enantioselectivity. Finally, the transformation of the hydrogenated product provided an efficient approach for the synthesis of the intermediate of a HIV protease inhibitor.
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