DOI: 10.1002/chin.200740144
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Osamu Hara, Tomoaki Koshizawa, Kazuishi Makino et al.

Abstract: Synthesis of 2,6-Dimethyl-9-aryl-9-phosphabicyclo[3.3.1]nonanes: Their Application to Asymmetric Synthesis of Chiral Tetrahydroquinolines and Relatives. -The novel phosphine PBN efficiently promotes asymmetric ring closure of anilines of type (I) to tetrahydroquinolines. The cyclization of homologues like (III), however, proceeds with moderate enantioselectivity and the ring closure to dihydroindoles is unsuccessful. -(HARA, O.; KOSHIZAWA, T.; MAKINO, K.; KUNIMUNE, I.; NAMIKI, A.; HAMADA*, Y.; Tetrahedron 63 …

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