Tetrahedron Letters p. 917 - 920 (1985)
Update date:2022-09-26
Topics:
Hanaoka, Miyoji
Iwasaki, Masashi
Mukai, Chisato
Stereoselective sodium borohydride reduction of the 8,14-cycloberbine (9) derived from the protoberberine (7), followed by reductive cleavage of C8-N bond of the resulting 13-hydroxy-8, 14-cycloberbine (10) with sodium cyanoborohydride afforded the spirobenzylisoquinoline (12), N-methylation of which via the oxazolidine (13) provided (±)-dihydrofumariline-l (1).
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Doi:10.1080/00397910500184727
(2005)Doi:10.1021/acs.orglett.7b03707
(2018)Doi:10.1021/ja057967t
(2006)Doi:10.3987/COM-05-S(K)72
(2005)Doi:10.1021/acs.joc.9b02062
(2019)Doi:10.1039/b513370j
(2006)
