Benzene ring bonded directly to the hetero ring

Subclass of:

549 - Organic compounds -- part of the class 532-570 series

549000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

549000000 - HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)

549200000 - Oxygen containing hetero ring (e.g., dioxirane, etc.)

549429000 - The hetero ring is five-membered

549456000 - Polycyclo ring system having the hetero ring as one of the cyclos

549462000 - Bicyclo ring system having the hetero ring as one of the cyclos

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application number	Description	Number of patent applications / Date published
549469000	Benzene ring bonded directly to the hetero ring	8
20080214846	Pure darifenacin hydrobromide substantially free of oxidized darifenacin and salts thereof and processes for the preparation thereof - Provided are darifenacin hydrobromide free of oxidized darifenacin, and processes for the preparation thereof.	09-04-2008
20090043117	Process For Preparing (Disubstitutedpropenyl) Phenylalkyl Substituted Dihydrobenzofurans - An improved process is described for preparing (disubstitutedpropenyl) phenylalkyl substituted dihydrobenzofurans. This improved process is focused on steps to produce key intermediates, namely compounds of Formula (I): where R	02-12-2009
20090253921	AEROBIC OXIDATIVE COUPLING FOR THE FORMATION OF BIARYLS - A method of catalytic oxidative coupling for the formation of hetero-coupled bis-arenes. The method includes placing a solvent, an arene compound, and a catalyst in a reactor having a oxidant atmosphere such that hetero-coupled bis-arenes are formed.	10-08-2009
20100228039	RUTHENIUM (II) CATALYSTS FOR USE IN STEREOSELECTIVE CYCLOPROPANATIONS - Chiral ruthenium catalysts comprising salen and alkenyl ligands are provided for stereoselective cyclopropanation, and methods of cyclopropanation are provided. The chiral ruthenium catalyst is prepared in situ by combining an alkenyl ligand, a deprotonated chiral salen ligand, and a ruthenium (II) metal. A preferred catalyst is prepared in situ by combining 2,3-dihydro-4-venylbenzofuran, deprotonated 1,2-cyclohexanediamino-N,N′-bis(3,5-di-t-butyl-salicylidene) and RuCl	09-09-2010
20100249438	PREPARATION OF ESCITALOPRAM - A substantially pure (S)-4-[4-(dimethylamino)-1-(4′-fluorophenyl)-1-hydroxybutyl]-3-(hydroxymethyl)benzonitrile intermediate for preparing escitalopram is prepared by:	09-30-2010
20100298584	PROCESS FOR PRODUCTION OF 4-VINYL-2,3-DIHYDROBENZOFURAN - A process for production of 4-vinyl-2,3-dihydrobenzofuran, which comprises a step including a reaction of 4-halo-2,3-dihydrobenzofuran with ethylene in the presence of a palladium compound and a base to produce crude 4-vinyl-2,3-dihydrobenzofuran, and a step of supplying the crude 4-vinyl-2,3-dihydrobenzofuran continuously or intermittently to a distillation apparatus to distill 4-vinyl-2,3-dihydrobenzofuran.	11-25-2010
20110009649	METHOD FOR PREPARING 2-(n-BUTYL)-5-NITROBENZOFURAN - A method for preparing 2-(n-butyl)-5-nitrobenzofuran from 1-halo-4-nitrobenzene, characterized in that 1-hexen-3-ol is reacted, and then the product is subject to a Claisen rearrangement, followed by catalytic intramolecular cyclization.	01-13-2011
20110124888	STYRYLBENZOFURAN DERIVATIVES AS INHIBITORS FOR BETA-AMYLOID FIBRIL FORMATION AND PREPARATION METHOD THEREOF - The present invention relates to a novel compound which efficiently inhibits the formation of beta-amyloid fibrils in the brain to be useful for preventing or treating a degenerative brain disease, a method for preparing same, and a pharmaceutical composition comprising same as an active ingredient.	05-26-2011