157183-67-0Relevant academic research and scientific papers
Total synthesis of myriocin and mycestericin D employing Rh(II)-catalyzed C[sbnd]H amination followed by stereoselective alkylation
Noda, Narumi,Nambu, Hisanori,Ubukata, Kana,Fujiwara, Tomoya,Tsuge, Kiyoshi,Yakura, Takayuki
, p. 868 - 878 (2017)
Total synthesis of myriocin and mycestericin D was achieved using the Du Bois Rh(II)-catalyzed C[sbnd]H amination of a sulfamate and subsequent alkylation as a key step. The reaction of a sulfamate with PhI(OAc)2and MgO in the presence of Rh2(OAc)4gave oxathiazinane N,O-acetal as the sole product in high yield. Alkylation of N,O-acetal using vinylmagnesium bromide in the presence of ZnCl2proceeded stereoselectively to provide an oxathiazinane bearing a quaternary chiral center in high yield. Myriocin and mycestericin D were synthesized from a common synthetic intermediate. This route includes the first application of the Du Bois procedure for constructing a quaternary chiral center.
An asymmetric total synthesis of a potent immunosuppressant, mycestericins D and F, through an aldol reaction using L-threonine aldolase
Nishide, Kiyoharu,Shibata, Kayoko,Fujita, Tetsuro,Kajimoto, Tetsuya,Wong, Chi-Huey,Node, Manabu
, p. 1191 - 1201 (2007/10/03)
L-Threonine aldolase from Candida humicola catalyzed the aldol reaction of 4-benzyloxybutanal (1) with glycine to give β-hydroxy-α-amino acids (2e,t), whose erythro / threo ratio was controlled by using either kinetic or thermodynamic conditions. The erythro derivative (4e) was effectively converted to mycestericins D and F via a stereoselective hydroxymethylation of oxazoline derivative (6) as the key step.
Kinetic and thermodynamic control of L-threonine aldolase catalyzed reaction and its application to the synthesis of mycestericin D
Shibata, Kayoko,Shingu, Kazushi,Vassilev, Vassil P.,Nishide, Kiyoharu,Fujita, Tetsuro,Node, Manabu,Kajimoto, Tetsuya,Wong, Chi-Huey
, p. 2791 - 2794 (2007/10/03)
L-Threonine aldolase catalyzes the aldol condensation of γ-benzyloxybutanal and glycine with high erythro/threo selectivity under a kinetically controlled condition. The erythro product was used in the synthesis of mycestericin D, a potent immunosuppressant.
