PRODUCTION OF GAMMA-CORONAL
PURPOSE:To efficiently produce gamma-coronal exhibiting the fragrance of seashore and marine product and useful e.g. as a compounding flavor material for foods and cosmetics in high purity and yield by using a specific dihydro-gamma-ionone as a starting raw material and reacting under specific condi...
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| creator | KAWANOBE TSUNEO WATANABE HIROYUKI |
| description | PURPOSE:To efficiently produce gamma-coronal exhibiting the fragrance of seashore and marine product and useful e.g. as a compounding flavor material for foods and cosmetics in high purity and yield by using a specific dihydro-gamma-ionone as a starting raw material and reacting under specific condition. CONSTITUTION:gamma-Coronal of the formula IV is produced by carrying out carbon- increasing epoxidization reaction of dihydro-gamma-ionone of the formula I with a methylene halide in an organic solvent in the presence of a base to obtain 4-(6,6-dimethyl-2-methylenecyc1ohexy1)-2-methyl-1,2-epoxybutane of the formula II, contacting the compound with a metal alkoxide of the formula M(OR)3 (M is Al or B; R is 1-4C alkyl or benzyl) or with lithium diisopropylamide in an organic solvent and finally oxidizing the obtained 4-(6,6-dimethyl-2- methylenecyclohexyl)-2-methylenebutan-1-ol of the formula III in an organic solvent in the presence of an oxidizing agent. |
| format | Patent |
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CONSTITUTION:gamma-Coronal of the formula IV is produced by carrying out carbon- increasing epoxidization reaction of dihydro-gamma-ionone of the formula I with a methylene halide in an organic solvent in the presence of a base to obtain 4-(6,6-dimethyl-2-methylenecyc1ohexy1)-2-methyl-1,2-epoxybutane of the formula II, contacting the compound with a metal alkoxide of the formula M(OR)3 (M is Al or B; R is 1-4C alkyl or benzyl) or with lithium diisopropylamide in an organic solvent and finally oxidizing the obtained 4-(6,6-dimethyl-2- methylenecyclohexyl)-2-methylenebutan-1-ol of the formula III in an organic solvent in the presence of an oxidizing agent.</description><edition>6</edition><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES ; CANDLES ; CHEMISTRY ; DETERGENTS ; ESSENTIAL OILS ; FATTY ACIDS THEREFROM ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY ; PERFUMES ; PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950404&DB=EPODOC&CC=JP&NR=H0789890A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950404&DB=EPODOC&CC=JP&NR=H0789890A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAWANOBE TSUNEO</creatorcontrib><creatorcontrib>WATANABE HIROYUKI</creatorcontrib><title>PRODUCTION OF GAMMA-CORONAL</title><description>PURPOSE:To efficiently produce gamma-coronal exhibiting the fragrance of seashore and marine product and useful e.g. as a compounding flavor material for foods and cosmetics in high purity and yield by using a specific dihydro-gamma-ionone as a starting raw material and reacting under specific condition. CONSTITUTION:gamma-Coronal of the formula IV is produced by carrying out carbon- increasing epoxidization reaction of dihydro-gamma-ionone of the formula I with a methylene halide in an organic solvent in the presence of a base to obtain 4-(6,6-dimethyl-2-methylenecyc1ohexy1)-2-methyl-1,2-epoxybutane of the formula II, contacting the compound with a metal alkoxide of the formula M(OR)3 (M is Al or B; R is 1-4C alkyl or benzyl) or with lithium diisopropylamide in an organic solvent and finally oxidizing the obtained 4-(6,6-dimethyl-2- methylenecyclohexyl)-2-methylenebutan-1-ol of the formula III in an organic solvent in the presence of an oxidizing agent.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</subject><subject>CANDLES</subject><subject>CHEMISTRY</subject><subject>DETERGENTS</subject><subject>ESSENTIAL OILS</subject><subject>FATTY ACIDS THEREFROM</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFUMES</subject><subject>PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAOCPJ3CXUO8fT3U_B3U3B39PV11HX2D_L3c_ThYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxXgEeBuYWlhaWBo7GRCgBABuLIG4</recordid><startdate>19950404</startdate><enddate>19950404</enddate><creator>KAWANOBE TSUNEO</creator><creator>WATANABE HIROYUKI</creator><scope>EVB</scope></search><sort><creationdate>19950404</creationdate><title>PRODUCTION OF GAMMA-CORONAL</title><author>KAWANOBE TSUNEO ; WATANABE HIROYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0789890A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1995</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</topic><topic>CANDLES</topic><topic>CHEMISTRY</topic><topic>DETERGENTS</topic><topic>ESSENTIAL OILS</topic><topic>FATTY ACIDS THEREFROM</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFUMES</topic><topic>PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KAWANOBE TSUNEO</creatorcontrib><creatorcontrib>WATANABE HIROYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KAWANOBE TSUNEO</au><au>WATANABE HIROYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF GAMMA-CORONAL</title><date>1995-04-04</date><risdate>1995</risdate><abstract>PURPOSE:To efficiently produce gamma-coronal exhibiting the fragrance of seashore and marine product and useful e.g. as a compounding flavor material for foods and cosmetics in high purity and yield by using a specific dihydro-gamma-ionone as a starting raw material and reacting under specific condition. CONSTITUTION:gamma-Coronal of the formula IV is produced by carrying out carbon- increasing epoxidization reaction of dihydro-gamma-ionone of the formula I with a methylene halide in an organic solvent in the presence of a base to obtain 4-(6,6-dimethyl-2-methylenecyc1ohexy1)-2-methyl-1,2-epoxybutane of the formula II, contacting the compound with a metal alkoxide of the formula M(OR)3 (M is Al or B; R is 1-4C alkyl or benzyl) or with lithium diisopropylamide in an organic solvent and finally oxidizing the obtained 4-(6,6-dimethyl-2- methylenecyclohexyl)-2-methylenebutan-1-ol of the formula III in an organic solvent in the presence of an oxidizing agent.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFUMES PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS |
| title | PRODUCTION OF GAMMA-CORONAL |
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