Patent classifications
C07C69/145
(6Z,9Z)-6,9-dodecadien-1-yne and a process for preparing the same
The present invention provides (6Z,9Z)-6,9-dodecadien-1-yne of the following formula (1). Further, the present invention provides a process for preparing (6Z,9Z)-6,9-dodecadien-1-yne (1): the process comprising reacting a (3Z,6Z)-10-halo-3,6-decadiene compound of the following general formula (2), wherein X represents a halogen atom with a metal acetylide of the following general formula (3), wherein M represents Na, Li, K, Ag, Cu (I), MgZ, CaZ, or Cu(II)Z, wherein Z represents a halogen atom or an ethinyl group to form (6Z,9Z)-6,9-dodecadien-1-yne (1). ##STR00001##
(6Z,9Z)-6,9-dodecadien-1-yne and a process for preparing the same
The present invention provides (6Z,9Z)-6,9-dodecadien-1-yne of the following formula (1). Further, the present invention provides a process for preparing (6Z,9Z)-6,9-dodecadien-1-yne (1): the process comprising reacting a (3Z,6Z)-10-halo-3,6-decadiene compound of the following general formula (2), wherein X represents a halogen atom with a metal acetylide of the following general formula (3), wherein M represents Na, Li, K, Ag, Cu (I), MgZ, CaZ, or Cu(II)Z, wherein Z represents a halogen atom or an ethinyl group to form (6Z,9Z)-6,9-dodecadien-1-yne (1). ##STR00001##
6-HYDROXY-3-HEXENYL ALKOXYMETHYL ETHER COMPOUND AND A PROCESS FOR PREPARING A 3,13-OCTADECADIEN-1-OL COMPOUND FROM THE SAME
The present invention relates to a 6-hydroxy-3-hexenyl alkoxymethyl ether compound of the following general formula (1): HOCH.sub.2CH.sub.2CH=CHCH.sub.2CH.sub.2OCH.sub.2OCH.sub.2R.sup.1 (1), R.sup.1 representing a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group; and also relates to a process for preparing a 3,13-octadecadien-1-ol compound of the following formula (6): CH.sub.3(CH.sub.2).sub.3CH=CH(CH.sub.2).sub.8CH=CHCH.sub.2CH.sub.2OH (6) from the 6-hydroxy-3-hexenyl alkoxymethyl ether compound (1).
6-HYDROXY-3-HEXENYL ALKOXYMETHYL ETHER COMPOUND AND A PROCESS FOR PREPARING A 3,13-OCTADECADIEN-1-OL COMPOUND FROM THE SAME
The present invention relates to a 6-hydroxy-3-hexenyl alkoxymethyl ether compound of the following general formula (1): HOCH.sub.2CH.sub.2CH=CHCH.sub.2CH.sub.2OCH.sub.2OCH.sub.2R.sup.1 (1), R.sup.1 representing a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group; and also relates to a process for preparing a 3,13-octadecadien-1-ol compound of the following formula (6): CH.sub.3(CH.sub.2).sub.3CH=CH(CH.sub.2).sub.8CH=CHCH.sub.2CH.sub.2OH (6) from the 6-hydroxy-3-hexenyl alkoxymethyl ether compound (1).
PROCESS FOR PREPARING 3-(CYCLOHEX-1-EN-1-YL)PROPANAL DERIVATIVES
The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention comprises also a process for producing compound of formula (I).
##STR00001##
PROCESS FOR PREPARING 3-(CYCLOHEX-1-EN-1-YL)PROPANAL DERIVATIVES
The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention comprises also a process for producing compound of formula (I).
##STR00001##
Processes for preparing a 3-isopropenyl-6-heptenal compound and a 6- isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, and an intermediate therefor
The present invention relates to a process for preparing a 3-isopropenyl-6-heptenal compound of the following formula (2): wherein R.sup.1 represents a hydrogen atom or a methyl group, the process comprising: subjecting a 3-isopropenyl-6-heptenoate ester compound of the following formula (1): wherein R.sup.1 is as defined above, and R.sup.2 represents a monovalent hydrocarbon group having 1 to 10 carbon atoms, to a reduction reaction with a reducing agent to form the 3-isopropenyl-6-heptenal compound (2). ##STR00001##
Processes for preparing a 3-isopropenyl-6-heptenal compound and a 6- isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, and an intermediate therefor
The present invention relates to a process for preparing a 3-isopropenyl-6-heptenal compound of the following formula (2): wherein R.sup.1 represents a hydrogen atom or a methyl group, the process comprising: subjecting a 3-isopropenyl-6-heptenoate ester compound of the following formula (1): wherein R.sup.1 is as defined above, and R.sup.2 represents a monovalent hydrocarbon group having 1 to 10 carbon atoms, to a reduction reaction with a reducing agent to form the 3-isopropenyl-6-heptenal compound (2). ##STR00001##
Haloalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadien-1-yl acetate compound and a terminal conjugated alkadien-1-ol compound therefrom
The present invention relates to a haloalkenyl alkoxymethyl ether compound of the following general formula (1): R.sup.1CH.sub.2OCH.sub.2OCH.sub.2CH.sub.2CH═CH(CH.sub.2).sub.aX.sup.1 (1) wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, X.sup.1 represents a halogen atom, and “a” represents an integer of 3 to 14. The present invention also relates to processes for preparing a terminal conjugated alkadien-1-yl acetate compound of the following general formula (5): CH.sub.2═CHCH═CH(CH.sub.2).sub.aOAc (5) wherein “a” is as defined above, and Ac represents an acetyl group, and a terminal conjugated alkadien-1-ol compound of the following general formula (6): CH.sub.2═CHCH═CH(CH.sub.2).sub.aOH (6) wherein “a” is as defined above, from the haloalkenyl alkoxymethyl ether compound (1).
Haloalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadien-1-yl acetate compound and a terminal conjugated alkadien-1-ol compound therefrom
The present invention relates to a haloalkenyl alkoxymethyl ether compound of the following general formula (1): R.sup.1CH.sub.2OCH.sub.2OCH.sub.2CH.sub.2CH═CH(CH.sub.2).sub.aX.sup.1 (1) wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, X.sup.1 represents a halogen atom, and “a” represents an integer of 3 to 14. The present invention also relates to processes for preparing a terminal conjugated alkadien-1-yl acetate compound of the following general formula (5): CH.sub.2═CHCH═CH(CH.sub.2).sub.aOAc (5) wherein “a” is as defined above, and Ac represents an acetyl group, and a terminal conjugated alkadien-1-ol compound of the following general formula (6): CH.sub.2═CHCH═CH(CH.sub.2).sub.aOH (6) wherein “a” is as defined above, from the haloalkenyl alkoxymethyl ether compound (1).