HEPT-6-ENAL synthesis
- Product Name:HEPT-6-ENAL
- CAS Number:17206-61-0
- Molecular formula:C7H12O
- Molecular Weight:112.17
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Yield:-
Reaction Conditions:
with hydrogen at 80; under 25.8581 Torr;Overall yield = 460 g;
Steps:
VIII EXAMPLE VIII
EXAMPLE VIII
Preparation of But-2-enoic acid hept-6-enyl ester (VIIIa) and But-2-enoic acid 2-methyl-hex-5-enyl ester (VIIIb)
To prepare hept-6-enal and 2-methyl-hex-5-enal, hexa-1,5-diene (995 g) was loaded into a 4-L ZipperClave reactor.
The pressure was raised to about 50 psi with syngas.
The reaction mass was then heated to and kept at about 80° C. for about 3-4 hours and GC analysis determined a conversion rate of about 55%.
The resulting organic layer was fractional distilled to provide a 65/35 mixture of hept-6-enal and 2-methyl-hex-5-enal (460 g) with a boiling point of 105° C. at 80 mmHg.
References:
International Flavors & Fragrances Inc.;Narula, Anubhav P. S.;Weiss, Richard A.;Lasome, James Anthony US8785677, 2014, B1 Location in patent:Page/Page column 11; 12
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![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
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