Aldehydes substituted in alpha position by alkyl residues as...

Details Aldehydes substituted in alpha position by alkyl residues as... Aldehydes substituted in alpha position by alkyl residues as...

2007-06-20

2008-10-21

Witherspoon, Sikarl A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C512S027000

Reexamination Certificate

active

07439403

ABSTRACT:
The present invention primarily relates to the use of an aldehyde, substituted in alpha position by an alkyl residue, of the formulahaving(I) a total of 13 C atoms, whereinR means an unbranched alkyl residue having 6, 7, 8 or 9 C atoms andR′ means an unbranched alkyl residue having 2, 3, 4 or 5 C atoms,or(II) a total of 15 C atoms, whereinR means an unbranched alkyl residue having 8, 9, 10 or 11 C atoms andR′ means an unbranched alkyl residue having 2, 3, 4 or 5 C atoms,or a blend comprising or consisting of two, three or more such aldehydes of type (I) and/or (II),as an odoriferous or aroma substance.

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Savoia et al., Potassium-Graphite as a Metalation Reagent, Synthesis of Aldehydes and Ketons by Alkylation of Imines and Dihydro-1,3-oxazine, J. Org. Chem., vol. 43, No. 14, 1978, pp. 2907-2910.
Bott, Aldehyde und Folgeprodukte aus der Oxo-Synthese von doppelbindungsisomerisierten n-Olefinen, Journal Fette, Seifen, Anstrichmittel, Chemische Werke Huls AG, 1974, 76(10), 443-446.
CAS No. 93821-14-8 with excerpt from the Arctander.

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