(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

Base Information

Chemical Name:(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester
CAS No.:1169845-20-8
Molecular Formula:C₁₆H₁₉NO₃
Molecular Weight:273.332
Hs Code.:

Synonyms:(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

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Chemical Property of (S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

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Technology Process of (S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

There total 3 articles about (S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester 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: 89.0%

: 146553-06-2,87694-49-3
tert-butyl {(S)-1-[methoxy(methyl)amino]-1-oxopropan-2-yl}carbamate

: 4440-01-1
lithium phenylacetylide

: 1169845-20-8
(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

Guidance literature:: DOI:10.1021/jo900693a

Reference yield: 7.0%

: 6738-06-3
phenylethynylmagnesium bromide

: 125814-30-4
BOC-L-alanine-NCA

: 1169845-20-8
(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

Guidance literature:: at -60 ℃; for 4h;
DOI:10.1039/c2ob26427g

Reference yield:

: 125814-30-4
BOC-L-alanine-NCA

: 536-74-3
phenylacetylene

: 1169845-20-8
(S)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

: (R)-(1-methyl-2-oxo-4-phenyl-but-3-ynyl)-carbamic acid tert-butyl ester

Guidance literature:: phenylacetylene; With n-butyllithium; lithium bromide; In tetrahydrofuran; hexane; at -40 ℃; for 0.5h;

BOC-L-alanine-NCA; In tetrahydrofuran; hexane; at -40 ℃; for 4h; Overall yield = 35 %; Overall yield = 385 mg; Inert atmosphere;
DOI:10.1039/c2ob26427g