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##

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##

A method by which an intermediate product of an azole derivative can be produced at a lower cost than known production methods is provided. A method for producing a compound represented by General Formula (IV) includes converting a compound represented by General Formula (II) into the compound represented by General Formula (IV) using (a) dimethyl sulfide and/or dimethyl sulfoxide, and (b) a methyl-LG (an LG is a nucleophilically substitutable leaving group and is selected from the group consisting of a halogen group, an alkoxysulfonyloxy group, an aryloxysulfonyloxy group, an alkylsulfonyloxy group, a haloalkylsulfonyloxy group, and an arylsulfonyloxy group) in the presence of an inorganic base.

A method by which an intermediate product of an azole derivative can be produced at a lower cost than known production methods is provided. A method for producing a compound represented by General Formula (IV) includes converting a compound represented by General Formula (II) into the compound represented by General Formula (IV) using (a) dimethyl sulfide and/or dimethyl sulfoxide, and (b) a methyl-LG (an LG is a nucleophilically substitutable leaving group and is selected from the group consisting of a halogen group, an alkoxysulfonyloxy group, an aryloxysulfonyloxy group, an alkylsulfonyloxy group, a haloalkylsulfonyloxy group, and an arylsulfonyloxy group) in the presence of an inorganic base.

A continuous-flow process for the production of allyl compounds by deoxydehydration of glycerol includes: (a) Forming a reactive solution by mixing glycerol (1) with: a carboxylic acid (2), and/or a triethyl orthoester, preferably triethyl orthoformate (TEOF); (b) Feeding the reactive solution to an inlet of a channel of a thermolysis microreactor module wherein the channel has an inner hydraulic diameter, D=4 A/P, wherein A is the area and P the perimeter of a cross-section of the channel, of not more than 1000 μm, (c) Exposing the reactive solution to thermolysis by driving a flow of the reactive solution along the channel from the inlet to an outlet, for a thermolysis time, t, at a pressure, P, and at a thermolysis temperature, T, larger than 200° C., to form thermolysis products including at least one allyl compound; and Recovering the thermolysis products at the outlet and separating the at least one allyl compound from the other thermolysis products.

A continuous-flow process for the production of allyl compounds by deoxydehydration of glycerol includes: (a) Forming a reactive solution by mixing glycerol (1) with: a carboxylic acid (2), and/or a triethyl orthoester, preferably triethyl orthoformate (TEOF); (b) Feeding the reactive solution to an inlet of a channel of a thermolysis microreactor module wherein the channel has an inner hydraulic diameter, D=4 A/P, wherein A is the area and P the perimeter of a cross-section of the channel, of not more than 1000 μm, (c) Exposing the reactive solution to thermolysis by driving a flow of the reactive solution along the channel from the inlet to an outlet, for a thermolysis time, t, at a pressure, P, and at a thermolysis temperature, T, larger than 200° C., to form thermolysis products including at least one allyl compound; and Recovering the thermolysis products at the outlet and separating the at least one allyl compound from the other thermolysis products.

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##

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##

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##

A continuous-flow process for the production of allyl compounds by deoxydehydration of glycerol includes: (a) Forming a reactive solution by mixing glycerol (1) with: a carboxylic acid (2), and/or a triethyl orthoester, preferably triethyl orthoformate (TEOF); (b) Feeding the reactive solution to an inlet of a channel of a thermolysis microreactor module wherein the channel has an inner hydraulic diameter, D=4 A/P, wherein A is the area and P the perimeter of a cross-section of the channel, of not more than 1000 m, (c) Exposing the reactive solution to thermolysis by driving a flow of the reactive solution along the channel from the inlet to an outlet, for a thermolysis time, t, at a pressure, P, and at a thermolysis temperature, T, larger than 200 C., to form thermolysis products including at least one allyl compound; and

Recovering the thermolysis products at the outlet and separating the at least one allyl compound from the other thermolysis products