Examples of 'weinreb' in a sentence
Meaning of "weinreb"
Weinreb is a surname of German origin. It is commonly used to identify individuals or families
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- A surname from German.
How to use "weinreb" in a sentence
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weinreb
The Weinreb amide obtained was purified by silica gel flash chromatography.
The reaction is useful because Weinreb amide can be converted to ketones easily.
The Weinreb ketone synthesis can also be used to convert acid halides to ketones.
Subsequent addition of methoxymethylamine forms the methoxymethyl amide commonly know as a Weinreb amide.
Separately, a suitable Weinreb amide is prepared.
Crude material was purified by reverse phase preparative chromatography to give desired Weinreb amide xiii.
In any case, Weinreb never left the army base.
Subsequently, this methodology was extended to synthesis of several Weinreb amides.
The acid X can be activated as the Weinreb amide using standard peptide coupling procedures e . g.
Thiazole intermediates can be obtained from BrCCl3/DBU dehydrogenation of the Weinreb amides.
The discussion eventually morphed into Weinreb taking charge of Ackman 's plan for Howard Hughes.
Crude H-NMR indicated complete conversion to the Weinreb amide.
As above a Weinreb amide 14 can be synthesised from an acid chloride.
This can be coupled with a suitable Weinreb amide, described above.
Reaction of the Weinreb amide with a dianion of a hydroxyl amine would generate isoxazoles ( ref 51 ).
See also
Attempts to accomplish addition of methylmagnesium bromide to the Weinreb amide linkage of 10 failed.
Weinreb says, “ we find that many children are very anti-Israeli.
Alternatively, ketone 5 can be prepared by Grignard addition to a Weinreb amide as described in Tet.
Weinreb remained in the Netherlands until 1968, after which he emigrated to Switzerland.
This intermediate may be converted without purification to Weinreb amide S1.
To avoid imprisonment, Weinreb left the Netherlands in 1968, after which he emigrated to Switzerland.
N, O-Dimethylhydroxylamine is a coupling agent, used to synthesize Weinreb amides.
Conversion to amide ( 83 ) can be accomplished by a Weinreb reaction with methylchloroaluminum amide.
Method described for Compound 3.5 ( reaction of a phenyllithium reagent with a Weinreb amide ),.
Addition of a suitable N-protected piperidinyl Weinreb amide derivative 8, produces the ketone 9.
Alternatively, aminoamide ( XII ) can be generated from azidoester ( X ) by the method of Weinreb et al.
Alternatively, acid 1 can be converted to Weinreb amide 7 by coupling with NHMe ( OMe ).
Weinreb was the compiler of the first edition of The London Encyclopaedia, published in 1983.
Carbonylation to yield a carboxylic acid, ester, or Weinreb amide.
Reduction of the Weinreb amide of Formula ( 5 ) will provide the corresponding aldehyde of Formula ( 6 ).
Example 4, Preparation of intermediate 4 vía Weinreb amide.
In a further embodiment, A-2 is a Weinreb amide.
