Patent classifications
C07C43/303
Dialkoxyalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadienal compound from the same
The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5):
CH.sub.2═CHCH═CH(CH.sub.2).sub.aCHO (5)
wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl 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.aCH(OR.sup.2)(OR.sup.3) (1)
wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R.sup.2 and R.sup.3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.2 and R.sup.3 may form together a divalent hydrocarbon group, R.sup.2-R.sup.3, having 2 to 10 carbon atoms, and “a” is as defined above.
Dialkoxyalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadienal compound from the same
The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5):
CH.sub.2═CHCH═CH(CH.sub.2).sub.aCHO (5)
wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl 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.aCH(OR.sup.2)(OR.sup.3) (1)
wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R.sup.2 and R.sup.3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.2 and R.sup.3 may form together a divalent hydrocarbon group, R.sup.2-R.sup.3, having 2 to 10 carbon atoms, and “a” is as defined above.
METAL OXIDE FILM-FORMING COMPOSITION, METHOD FOR PRODUCING METAL OXIDE FILM USING THE SAME, TERTIARY ALKYLOXYCARBONYL GROUP-MODIFIED BISNAPHTHOL FLUORENE COMPOUND, AND METHOD FOR PRODUCING THE SAME
A metal oxide film-forming containing a tertiary alkyloxycarbonyl group-modified bisnaphthol fluorene compound represented by formula (1), a metal compound represented by formula L(R.sup.6).sub.n1(O).sub.n2, and a solvent. In the formulas, ring Z.sup.1 represents a naphthalene ring; R.sup.1a and R.sup.1b represent a halogen atom; R.sup.2a and R.sup.2b represent an alkyl group; R.sup.3a to R.sup.5b represent an alkyl group having 1 to 8 carbon atoms; k1 and k2 represent an integer of 0 to 4; m1 and m2 represent an integer of 0 to 6; R.sup.6 is OR.sup.7; R.sup.7 represents an organic group having 1 to 30 carbon atoms; n1 and n2 represent an integer of 0 or larger; and n1+2×n2 represents a valence depending on the type of L; and L represents Al
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METAL OXIDE FILM-FORMING COMPOSITION, METHOD FOR PRODUCING METAL OXIDE FILM USING THE SAME, TERTIARY ALKYLOXYCARBONYL GROUP-MODIFIED BISNAPHTHOL FLUORENE COMPOUND, AND METHOD FOR PRODUCING THE SAME
A metal oxide film-forming containing a tertiary alkyloxycarbonyl group-modified bisnaphthol fluorene compound represented by formula (1), a metal compound represented by formula L(R.sup.6).sub.n1(O).sub.n2, and a solvent. In the formulas, ring Z.sup.1 represents a naphthalene ring; R.sup.1a and R.sup.1b represent a halogen atom; R.sup.2a and R.sup.2b represent an alkyl group; R.sup.3a to R.sup.5b represent an alkyl group having 1 to 8 carbon atoms; k1 and k2 represent an integer of 0 to 4; m1 and m2 represent an integer of 0 to 6; R.sup.6 is OR.sup.7; R.sup.7 represents an organic group having 1 to 30 carbon atoms; n1 and n2 represent an integer of 0 or larger; and n1+2×n2 represents a valence depending on the type of L; and L represents Al
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Process for preparing a formylalkenyl alkoxymethyl ether compound and processes for preparing conjugated diene compounds from the same
The present invention provide for preparing a formylalkenyl alkoxymethyl ether compound of the following general formula (2): R.sup.3CH.sub.2OCH.sub.2O(CH.sub.2).sub.aCH═CHCHO (2), wherein R.sup.3 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group; and “a” represents an integer of 1 to 10, the process comprising: hydrolyzing a dialkoxyalkenyl alkoxymethyl ether compound of the following general formula (1): R.sup.3CH.sub.2OCH.sub.2O(CH.sub.2).sub.aCH═CHCH(OR.sup.1)(OR.sup.2) (1), wherein R.sup.1 and R.sup.2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.1 and R.sup.2 may form together a divalent hydrocarbon group, R.sup.1-R.sup.2, having 2 to 10 carbon atoms; and R.sup.3 and “a” are as defined above, in the presence of an acid while removing an alcohol compound thus generated to form the formylalkenyl alkoxymethyl ether compound (2).
Process for preparing a formylalkenyl alkoxymethyl ether compound and processes for preparing conjugated diene compounds from the same
The present invention provide for preparing a formylalkenyl alkoxymethyl ether compound of the following general formula (2): R.sup.3CH.sub.2OCH.sub.2O(CH.sub.2).sub.aCH═CHCHO (2), wherein R.sup.3 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group; and “a” represents an integer of 1 to 10, the process comprising: hydrolyzing a dialkoxyalkenyl alkoxymethyl ether compound of the following general formula (1): R.sup.3CH.sub.2OCH.sub.2O(CH.sub.2).sub.aCH═CHCH(OR.sup.1)(OR.sup.2) (1), wherein R.sup.1 and R.sup.2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.1 and R.sup.2 may form together a divalent hydrocarbon group, R.sup.1-R.sup.2, having 2 to 10 carbon atoms; and R.sup.3 and “a” are as defined above, in the presence of an acid while removing an alcohol compound thus generated to form the formylalkenyl alkoxymethyl ether compound (2).
DIALKOXYALKENYL ALKOXYMETHYL ETHER COMPOUND AND A PROCESS FOR PREPARING A TERMINAL CONJUGATED ALKADIENAL COMPOUND FROM THE SAME
The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5):
CH.sub.2═CHCH═CH(CH.sub.2).sub.aCHO (5)
wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl 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.aCH(OR.sup.2)(OR.sup.3) (1)
wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R.sup.2 and R.sup.3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.2 and R.sup.3 may form together a divalent hydrocarbon group, R.sup.2-R.sup.3, having 2 to 10 carbon atoms, and “a” is as defined above.
DIALKOXYALKENYL ALKOXYMETHYL ETHER COMPOUND AND A PROCESS FOR PREPARING A TERMINAL CONJUGATED ALKADIENAL COMPOUND FROM THE SAME
The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5):
CH.sub.2═CHCH═CH(CH.sub.2).sub.aCHO (5)
wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl 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.aCH(OR.sup.2)(OR.sup.3) (1)
wherein R.sup.1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R.sup.2 and R.sup.3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R.sup.2 and R.sup.3 may form together a divalent hydrocarbon group, R.sup.2-R.sup.3, having 2 to 10 carbon atoms, and “a” is as defined above.
Dialkoxyalkadienyne compound and a process for preparing the same and a process for preparing a dienynal compound
A process for preparing a dienynal compound of the following general formula (2):
CH.sub.2═CHC≡CCH═CH(CH.sub.2).sub.nCHO (2), wherein n represents an integer of 0 to 11, the process comprising a step of hydrolyzing a dialkoxyalkadienyne compound of the following general formula (1):
CH.sub.2═CHC≡CCH═CH(CH.sub.2).sub.nCH(OR.sup.1)(OR.sup.2) (1) wherein R.sup.1 and R.sup.2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, preferably 1 to 8, more preferably 1 to 4, or R.sup.1 and R.sup.2 may be bonded to each other to form a divalent hydrocarbon group, R.sup.1-R.sup.2, having from 2 to 10 carbon atoms, and n represents an integer of 0 to 11, to obtain the dienynal compound (2). ##STR00001##
Dialkoxyalkadienyne compound and a process for preparing the same and a process for preparing a dienynal compound
A process for preparing a dienynal compound of the following general formula (2):
CH.sub.2═CHC≡CCH═CH(CH.sub.2).sub.nCHO (2), wherein n represents an integer of 0 to 11, the process comprising a step of hydrolyzing a dialkoxyalkadienyne compound of the following general formula (1):
CH.sub.2═CHC≡CCH═CH(CH.sub.2).sub.nCH(OR.sup.1)(OR.sup.2) (1) wherein R.sup.1 and R.sup.2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, preferably 1 to 8, more preferably 1 to 4, or R.sup.1 and R.sup.2 may be bonded to each other to form a divalent hydrocarbon group, R.sup.1-R.sup.2, having from 2 to 10 carbon atoms, and n represents an integer of 0 to 11, to obtain the dienynal compound (2). ##STR00001##