Patent classifications
C07D213/60
Hydrolytically labile heterocycles of odoriferous ketones or odoriferous aldehydes
Heterocycles having odoriferous ketone or odoriferous aldehyde groups may be suitable in compositions comprising washing agents, cleaning agents, cosmetic agents, air care agents, insect repellents, or combinations thereof where the heterocycles release the ketones and aldehydes during hydrolysis. The heterocycle(s) may have the formula: ##STR00001##
Hydrolytically labile heterocycles of odoriferous ketones or odoriferous aldehydes
Heterocycles having odoriferous ketone or odoriferous aldehyde groups may be suitable in compositions comprising washing agents, cleaning agents, cosmetic agents, air care agents, insect repellents, or combinations thereof where the heterocycles release the ketones and aldehydes during hydrolysis. The heterocycle(s) may have the formula: ##STR00001##
AROMATIC SULFONAMIDE DERIVATIVES
Substituted aromatic sulfonamides of formula (I)
##STR00001##
pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a disease.
AROMATIC SULFONAMIDE DERIVATIVES
Substituted aromatic sulfonamides of formula (I)
##STR00001##
pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a disease.
Preparative method for carboxylic acids
A preparative method for carboxylic acids is disclosed in the present invention. The method is characterized in that: compounds (II) are reacted in the presence of hydrogen peroxide and base to produce target products (I), as represented by the following reaction scheme: wherein R.sup.1 is aryl, pyridyl, pyrimidyl, pyridazinyl, pyrazinyl, benzothienyl, benzofuranyl, quinolinyl, isoquinolinyl, thiadiazolyl, C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl and hydrogen; R.sup.2 is alkoxycarbonyl, alkylaminocarbonyl, aminocarbonyl, alkylthiolcarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, aldehyde, carboxyl, nitro, alkyl and hydrogen; R.sup.3 is alkoxycarbonyl, alkyl amido carbonyl, aminocarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, carboxyl and nitro. The present invention has the following main benefits: cheap and readily available starting materials, safe processes, high yield, good quality, which facilitates industrial production.
Method for Preparation of Fluoro Alkylated Compounds by Homogeneous NI Catalysis
The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.
Method for Preparation of Fluoro Alkylated Compounds by Homogeneous NI Catalysis
The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.
Aromatic sulfonamide derivatives
Substituted aromatic sulfonamides of formula (I) ##STR00001##
pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a disease.
Aromatic sulfonamide derivatives
Substituted aromatic sulfonamides of formula (I) ##STR00001##
pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a disease.
Method for preparation of fluoro alkylated compounds by homogeneous Ni catalysis
The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.