A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1): ##STR00001##
wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms.

A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1): ##STR00001##
wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms.

A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1):

##STR00001##

wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms.

A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1):

##STR00001##

wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms.

A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1):

##STR00001##

wherein R.sup.1 represents an alkyl group having from 1 to 6 carbon atoms.

A particulate, urea-containing composition and use of an additive for producing a particulate, urea-containing composition and methods of producing a particulate, urea-containing composition.

Methods of producing a 2,4-dienal acetal compound and a 2,4-dienal compound useful as synthesis intermediates of a sex pheromone compound having a conjugated diene structure or a conjugated triene structure. More specifically, a method produces a 2,4-dienal acetal compound of Formula (2): R.sup.1CHCHCHCHCH(OR.sup.2)(OR.sup.3), including a step of subjecting a 2-enal acetal compound having a leaving group X at position C5 and being expressed by Formula (1): R.sup.1CHXCH.sub.2CHCHCH(OR.sup.2)(OR.sup.3) to an elimination reaction in the presence of a base to obtain the 2,4-dienal acetal compound (2); and a method for producing a 2,4-dienal compound of Formula (3): R.sup.1CHCHCHCHCHO, further including a step of deprotecting the 2,4-dienal acetal compound (2) to obtain the 2,4-dienal compound (3).

Methods of producing a 2,4-dienal acetal compound and a 2,4-dienal compound useful as synthesis intermediates of a sex pheromone compound having a conjugated diene structure or a conjugated triene structure. More specifically, a method produces a 2,4-dienal acetal compound of Formula (2): R.sup.1CHCHCHCHCH(OR.sup.2)(OR.sup.3), including a step of subjecting a 2-enal acetal compound having a leaving group X at position C5 and being expressed by Formula (1): R.sup.1CHXCH.sub.2CHCHCH(OR.sup.2)(OR.sup.3) to an elimination reaction in the presence of a base to obtain the 2,4-dienal acetal compound (2); and a method for producing a 2,4-dienal compound of Formula (3): R.sup.1CHCHCHCHCHO, further including a step of deprotecting the 2,4-dienal acetal compound (2) to obtain the 2,4-dienal compound (3).

Methods of producing a 2,4-dienal acetal compound and a 2,4-dienal compound useful as synthesis intermediates of a sex pheromone compound having a conjugated diene structure or a conjugated triene structure. More specifically, a method produces a 2,4-dienal acetal compound of Formula (2): R.sup.1CHCHCHCHCH(OR.sup.2)(OR.sup.3), including a step of subjecting a 2-enal acetal compound having a leaving group X at position C5 and being expressed by Formula (1): R.sup.1CHXCH.sub.2CHCHCH(OR.sup.2)(OR.sup.3) to an elimination reaction in the presence of a base to obtain the 2,4-dienal acetal compound (2); and a method for producing a 2,4-dienal compound of Formula (3): R.sup.1CHCHCHCHCHO, further including a step of deprotecting the 2,4-dienal acetal compound (2) to obtain the 2,4-dienal compound (3).

Methods of producing a 2,4-dienal acetal compound and a 2,4-dienal compound useful as synthesis intermediates of a sex pheromone compound having a conjugated diene structure or a conjugated triene structure. More specifically, a method produces a 2,4-dienal acetal compound of Formula (2): R.sup.1CHCHCHCHCH(OR.sup.2)(OR.sup.3), including a step of subjecting a 2-enal acetal compound having a leaving group X at position C5 and being expressed by Formula (1): R.sup.1CHXCH.sub.2CHCHCH(OR.sup.2)(OR.sup.3) to an elimination reaction in the presence of a base to obtain the 2,4-dienal acetal compound (2); and a method for producing a 2,4-dienal compound of Formula (3): R.sup.1CHCHCHCHCHO, further including a step of deprotecting the 2,4-dienal acetal compound (2) to obtain the 2,4-dienal compound (3).