WHITE SOLID PHOTOINITIATOR IN POWDERY FORM AND PRODUCTION OF THE SAME
PROBLEM TO BE SOLVED: To provide a white solid photoinitiator comprising 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one (COMPOUND 1), and to provide a production method of the white solid photoinitiator.SOLUTION: A synthesis method includes the steps of: (a)...
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| creator | VISCONTI MARCO LI BASSI GIUSEPPE NORCINI GABRIELE ROMAGNANO STEFANO |
| description | PROBLEM TO BE SOLVED: To provide a white solid photoinitiator comprising 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one (COMPOUND 1), and to provide a production method of the white solid photoinitiator.SOLUTION: A synthesis method includes the steps of: (a) carrying out Friedel-Crafts reaction of diphenylether with an acylating agent such as alpha-bromoisobutyryl halide catalyzed by a Lewis acid; (b) reacting 2-halogeno-1-{4-[4-(2-bromo-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one obtained in the step (a) with a hydrated base to obtain 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one dissolved in a solvent; and (c) crystallizing the thus obtained product. |
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(b) reacting 2-halogeno-1-{4-[4-(2-bromo-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one obtained in the step (a) with a hydrated base to obtain 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one dissolved in a solvent; and (c) crystallizing the thus obtained product.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; ADHESIVES ; APPARATUS SPECIALLY ADAPTED THEREFOR ; APPARATUS THEREFOR ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; CINEMATOGRAPHY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; COMPOSITIONS BASED THEREON ; CORRECTING FLUIDS ; DYES ; ELECTROGRAPHY ; FILLING PASTES ; GENERAL METHODS OF ORGANIC CHEMISTRY ; HOLOGRAPHY ; INKS ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS THEREFOR ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC CHEMISTRY ; ORGANIC MACROMOLECULAR COMPOUNDS ; 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(b) reacting 2-halogeno-1-{4-[4-(2-bromo-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one obtained in the step (a) with a hydrated base to obtain 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one dissolved in a solvent; and (c) crystallizing the thus obtained product.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>ADHESIVES</subject><subject>APPARATUS SPECIALLY ADAPTED THEREFOR</subject><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>CINEMATOGRAPHY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>ELECTROGRAPHY</subject><subject>FILLING PASTES</subject><subject>GENERAL METHODS OF ORGANIC CHEMISTRY</subject><subject>HOLOGRAPHY</subject><subject>INKS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MATERIALS THEREFOR</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC CHEMISTRY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>ORIGINALS THEREFOR</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>PHOTOGRAPHY</subject><subject>PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAN9_AMcVUI9vfxdFEI8PAP8ff08wzxdAzxD1Lw9FMI8A93cQ2KVHDzD_JVcPQDKgnydwl1DvH091Pwd1MI8QBqdfR15WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGRgamhpZG5o7GRCkCAOiSLH4</recordid><startdate>20120315</startdate><enddate>20120315</enddate><creator>VISCONTI MARCO</creator><creator>LI BASSI GIUSEPPE</creator><creator>NORCINI GABRIELE</creator><creator>ROMAGNANO STEFANO</creator><scope>EVB</scope></search><sort><creationdate>20120315</creationdate><title>WHITE SOLID PHOTOINITIATOR IN POWDERY FORM AND PRODUCTION OF THE SAME</title><author>VISCONTI MARCO ; 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(b) reacting 2-halogeno-1-{4-[4-(2-bromo-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one obtained in the step (a) with a hydrated base to obtain 2-hydroxy-1-{4-[4-(2-hydroxy-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one dissolved in a solvent; and (c) crystallizing the thus obtained product.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES APPARATUS SPECIALLY ADAPTED THEREFOR APPARATUS THEREFOR CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES ELECTROGRAPHY FILLING PASTES GENERAL METHODS OF ORGANIC CHEMISTRY HOLOGRAPHY INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS THEREFOR METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS ORIGINALS THEREFOR PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | WHITE SOLID PHOTOINITIATOR IN POWDERY FORM AND PRODUCTION OF THE SAME |
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