(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

Base Information

Chemical Name:(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide
CAS No.:1240257-28-6
Molecular Formula:C₂₇H₃₉NO₄SSi
Molecular Weight:501.762
Hs Code.:

Synonyms:(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

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Chemical Property of (S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

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Technology Process of (S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

There total 1 articles about (S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 101331-92-4
4-O-(tert-butyldiphenylsilyl)-2,3-O-isopropylidene-L-threose

: 343338-28-3
(S)-2-methylpropane-2-sulfinamide

: 1240257-28-6
(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

Guidance literature:: With titanium(IV) tetraethanolate; In tetrahydrofuran; for 15h;
DOI:10.1021/jo1009118

Reference yield: 94.0%

: 1240257-28-6
(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

: 1826-67-1
vinyl magnesium bromide

: 1240257-31-1
(S(S))-N-((S)-1-((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)allyl)-2-methylpropane-2-sulfinamide

Guidance literature:: (S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide; vinyl magnesium bromide; In tetrahydrofuran; dichloromethane; at -78 ℃; for 1.08333h; Inert atmosphere;

With water; ammonium chloride; In tetrahydrofuran; dichloromethane; at -78 - 20 ℃; optical yield given as %de; diastereoselective reaction; Inert atmosphere;
DOI:10.1021/jo1009118

Reference yield:

: 1240257-28-6
(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide

: 1826-67-1
vinyl magnesium bromide

: 1240257-31-1
(S(S))-N-((S)-1-((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)allyl)-2-methylpropane-2-sulfinamide

: (S(S))-N-((R)-1-((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)allyl)-2-methylpropane-2-sulfinamide

Guidance literature:: vinyl magnesium bromide; With N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; Inert atmosphere;

(S(S),E)-N-(((4S,5S)-5-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methylene)-2-methylpropane-2-sulfinamide; In tetrahydrofuran; at -78 ℃; Inert atmosphere;

With water; ammonium chloride; In tetrahydrofuran; at -78 - 20 ℃; optical yield given as %de; diastereoselective reaction; Inert atmosphere;
DOI:10.1021/jo1009118