Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-hep

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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C07C 4561

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059556366

ABSTRACT:
Provided are a process for producing 6-methyl-3-hepten-2-one by cross aldol condensation carried out while each continuously adding to acetone, isovaleraldehyde and an aqueous alkali containing an alkaline substance; a process for producing a 6-methyl-2-heptanone analogue represented by Formula (1): ##STR1## wherein n is an integer of 0 or 1 or more; which comprises allowing hydrogen, acetone and an aldehyde represented by Formula (2): ##STR2## wherein n is as defined above; X and Y each represents a hydrogen atom or they are coupled together to form a carbon-carbon bond; and Z and W each represents a hydrogen atom or they are coupled together to form a carbon-carbon bond;

REFERENCES:
patent: 2485989 (1949-10-01), Smith
patent: 2499172 (1950-02-01), Smith
patent: 2792421 (1957-05-01), Dalgleish
patent: 2809215 (1957-10-01), Surmatis et al.
patent: 3082260 (1963-03-01), Tedeschi et al.
patent: 3496240 (1970-02-01), Sturzenegger
patent: 4146581 (1979-03-01), Nissen
patent: 4701562 (1987-10-01), Olson
R. Heilmann, et al., Bulletin De La Societe Chimique De France, pp. 112-118, "Recherches Sur Les Cetones Ethyleniques-V(*). Isomerie CIS-Trans Dans Les Cetones Du Type R.CH.dbd.CH.CO.Ch.sub.3 ", 1957.
M. Mousseron-Canet, et al. Bulletin De La Societe Chimique De France, pp. 376-378, "Vitesses Relatives D'Epoxydation De Quelques Molecules Terpeniques", 1963.
U. Wannagat, et al., Monatshefte fur Chemie, vol. 125, No. 11, pp. 1159-1169, "Sila Perfumes and Isosteric Perfumes. 13. Isosteric Compounds According to the Hydride Principle of Grimm in the Linalool-Type of Odorous Compounds.", 1994.
A. Ofner, et al., Helvetica Chimica Acta., vol. XLII, No. VII, pp. 2577-2584, "Synthetisches Nerolidol Und Verwandte C.sup.15 -Alkohole", 1959.
S. Akutagawa, et al., Bulletin Of The Chemical Society Of Japan, vol. 51, No. 4, pp. 1158-1162, "Metal-Assisted Terenoid Synthesis. V..sup.1) The Catalytic Trimerization of Isoprene to Trans-..beta..-Farnesene and Its Synthetic Applications for Terpenoids", 1978.
Rene Heilmann, et al., Bull. Soc. Chim. Fr., pp. 112, 117 and 118, 1957, "Memoires Presentes A La Societe Chimique".
Kikumasa Sato, et al., Yuki Gosei Kagaku Kyokaisha, vol. 20, pp. 824-836, 1962, "Synthesis of Vitamin E (.alpha.-Tocopherol)".
Zh. Obshch., Chim., vol. 28, pp. 1444-1458, 1958.
Walter Kimel, et al., The Journal of Organic Chemistry, vol. 23, No. 2, pp. 153-157, Mar. 5, 1958, "Total Synthesis of Pseudoionone and an Isomeric Ketone".
Chem Ber, Rupe, 40, pp. 4764-4770, 1907.
CA:124:261425 CN1109462, Oct. 1995.
CA; 79:18094 DE2150992, Apr. 1973.
CA:84:43317, DE2412855, Oct. 1975.

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