ethyl 2-cyano-5-(dimethylamino)-3-ethoxypenta-2,4-die synthesis
- Product Name:ethyl 2-cyano-5-(dimethylamino)-3-ethoxypenta-2,4-die
- CAS Number:1345855-03-9
- Molecular formula:C12H18N2O3
- Molecular Weight:238.28
Yield:-
Reaction Conditions:
at 70; for 2 h;
Steps:
B2
A mixture of ethyl 2-cyano-3-ethoxybut-2-enoate (194 g theory, 1 .06 mol) and N,N- dimethylformamide dimethyl acetal (160 g, 1.325 mol) was stirred at 70 °C for 2 hours. The mixture was concentrated under high vacuum to provide crude ethyl 2-cyano-5-(dimethylamino)- 3-ethoxypenta-2,4-dienoate. The residue was used directly without further purification.
References:
WO2011/139891,2011,A1 Location in patent:Page/Page column 59
105-56-6
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