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ChemicalBook CAS DataBase List MonoMethyl auristatin E
474645-27-7

MonoMethyl auristatin E synthesis

10synthesis methods
120205-50-7 Synthesis
N-Boc-(2R,3R,4S)-dolaproine

120205-50-7
125 suppliers
$91.00/250mg

-

Yield:-

Steps:

Multi-step reaction with 6 steps
1: caesium carbonate / 1,4-dioxane; water / 0.33 h
2: dichloromethane / 0.25 h / 20 °C
3: HATU; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 5 h / 20 °C
4: palladium 10% on activated carbon; hydrogen / dichloromethane; methanol / 0.5 h / 20 °C
5: HATU; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.08 h / 20 °C
6: trifluoroacetic acid / dichloromethane

References:

US2015/23989,2015,A1

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