2-Ethyl-2-pentenal synthesis
- Product Name:2-Ethyl-2-pentenal
- CAS Number:3491-57-4
- Molecular formula:
- Molecular Weight:0
110-62-3
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123-72-8
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34880-43-8
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Yield:3491-57-4 55%
Reaction Conditions:
with sodium hydroxide in water at 50; under 150.015 Torr;Temperature;
Steps:
9 Examples 5-7 (mixed aldolization of n-butyraldehyde with n-pentanal) and Examples 8 and 9 (mixed aldolization of acetaldehyde and n-pentanal)
Examples 5-7 (mixed aldolization of n-butyraldehyde with n-pentanal) and Examples 8 and 9 (mixed aldolization of acetaldehyde and n-pentanal) For the performance of Examples 5-7 and 8 and 9, the experimental setup used in Examples 1-4 was used. The reaction conditions, the continuous supply of the feedstocks and the circulation flow rates were established according to the conditions in Tables 4 and 5 below. Tables 4 and 5 likewise report the composition of the organic product determined by gas chromatography, in anhydrous form (in %). In all experiments, a Sulzer SMX DN4 mixer was used, which was installed upstream of the reactor base, outside the tubular reactor. The experiments were conducted at a slightly elevated pressure of 0.02 MPa.
References:
US2014/5441,2014,A1 Location in patent:Paragraph 0058-0060; 0062
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