C07C269/00

METHOD FOR PRODUCING INDOLE COMPOUND

The present invention aims to provide a new method for producing an indole compound or a salt thereof, which has an ITK inhibitory action, and is useful for the prophylaxis or treatment of inflammatory disease.

The present invention is a method for producing N-[2-(6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-1H-indol-6-yl]-N-methyl-(2S)-2-(morpholin-4-yl)propanamide, which comprises a step of reacting

##STR00001##

PROCESS FOR PREPARING DIISOCYANATES BASED ON LYSINE

The invention relates to a process for preparing a diisocyanate of the formula (A)

##STR00001## where R is selected from the group consisting of alkyl, aryl, and combinations thereof, comprising the following process steps in the indicated order; 1) providing an intermediate of the formula (B) with a process using lysine and urea

##STR00002##

and  where R and each R′ are independently selected from the group consisting of alkyl, aryl, and combinations thereof; and 2) thermolytic cleavage of the intermediate of the formula (B), thereby affording the diisocyanate of the formula (A),
and also to the diisocyanate directly prepared therewith.

PROCESS FOR PREPARING DIISOCYANATES BASED ON LYSINE

The invention relates to a process for preparing a diisocyanate of the formula (A)

##STR00001## where R is selected from the group consisting of alkyl, aryl, and combinations thereof, comprising the following process steps in the indicated order; 1) providing an intermediate of the formula (B) with a process using lysine and urea

##STR00002##

and  where R and each R′ are independently selected from the group consisting of alkyl, aryl, and combinations thereof; and 2) thermolytic cleavage of the intermediate of the formula (B), thereby affording the diisocyanate of the formula (A),
and also to the diisocyanate directly prepared therewith.

USE OF 1-ETHYL-4,4-DIMETHYL-CYCLOHEXANE DERIVATIVES AS FRAGRANCES
20210395640 · 2021-12-23 ·

The present invention relates to the use of 1-(4,4-dimethylcyclohexyl)ethanone, 1-(4,4-dimethylcyclohex-1-en-1-yl)ethanone, 1-(4,4-dimethylcyclohexyl)ethanol, 1-(4,4-dimethylcyclohexyl)ethyl acetate and 1-(2-hydroxy-4,4-dimethylcyclohexyl)ethanone as a fragrance substance, in particular with a flowery and/or fruity olfactory characteristic. The present invention further relates to fragrance compositions and perfumed products comprising the compounds listed above. The present invention also relates to a method producing perfumed products and a method producing 1-(4,4-dimethylcyclohexyl)ethanol or 1-(4,4-dimethylcyclohexyl)ethyl acetate. Further, the invention relates to the compounds 1-(4,4-dimethylcyclohexyl)ethyl acetate, 1-(4,4-dimethylcyclohexyl)ethanol and 1-(2-hydroxy-4,4-dimethylcyclohexyl)ethanone.

Method for producing carbamate and method for producing isocyanate

The present invention provides a method for producing a carbamate that includes a step (1) and a step (2) described below: (1) a step of producing a compound (A) having a urea linkage, using an organic primary amine having at least one primary amino group per molecule and at least one compound selected from among carbon dioxide and carbonic acid derivatives, at a temperature lower than the thermal dissociation temperature of the urea linkage; and (2) a step of reacting the compound (A) with a carbonate ester to produce a carbamate.

Method for producing carbamate and method for producing isocyanate

The present invention provides a method for producing a carbamate that includes a step (1) and a step (2) described below: (1) a step of producing a compound (A) having a urea linkage, using an organic primary amine having at least one primary amino group per molecule and at least one compound selected from among carbon dioxide and carbonic acid derivatives, at a temperature lower than the thermal dissociation temperature of the urea linkage; and (2) a step of reacting the compound (A) with a carbonate ester to produce a carbamate.

Process for preparing diisocyanates based on lysine

The invention relates to a process for preparing a diisocyanate of the formula (A) ##STR00001## where R is selected from the group consisting of alkyl, aryl, and combinations thereof, comprising the following process steps in the indicated order; 1) providing an intermediate of the formula (B) with a process using lysine and urea ##STR00002## and where R and each R′ are independently selected from the group consisting of alkyl, aryl, and combinations thereof; and 2) thermolytic cleavage of the intermediate of the formula (B), thereby affording the diisocyanate of the formula (A),
and also to the diisocyanate directly prepared therewith.

Process for preparing diisocyanates based on lysine

The invention relates to a process for preparing a diisocyanate of the formula (A) ##STR00001## where R is selected from the group consisting of alkyl, aryl, and combinations thereof, comprising the following process steps in the indicated order; 1) providing an intermediate of the formula (B) with a process using lysine and urea ##STR00002## and where R and each R′ are independently selected from the group consisting of alkyl, aryl, and combinations thereof; and 2) thermolytic cleavage of the intermediate of the formula (B), thereby affording the diisocyanate of the formula (A),
and also to the diisocyanate directly prepared therewith.

N-TRIFLUORMETHYLCARBONYL COMPOUNDS AND METHODS FOR THEIR SYNTHESIS

The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized further to amides, ureas, carbamates, thiocarbamates and selenocarbamates.

N-TRIFLUORMETHYLCARBONYL COMPOUNDS AND METHODS FOR THEIR SYNTHESIS

The present invention relates to the synthesis of N-trifluoromethylcarbonyl compounds starting from isothiocyanates, which can be converted into N-trifluoromethylcarbamoyl fluorides or similar compounds, which later on can be derivatized further to amides, ureas, carbamates, thiocarbamates and selenocarbamates.