摘要:
The present invention relates to a process for the production of formyl cyclohexene derivatives which are suitable as odorants as such or as intermediates for the preparation of further odorants. In particular the present invention relates to a domino-methylenation-Diels-Alder reaction of α,β-unsaturated aldehydes using formaldehyde in the presence of 1,3-butadienes.
摘要:
The present invention provides a method for producing various types of arylbis(perfluoroalkylsulfonyl)methane having a bulky aryl group and an electron-accepting aryl group in which synthesis was conventionally considered to be difficult, at high efficiency; a novel arylbis(perfluoroalkylsulfonyl)methane that can be widely applied to asymmetric catalyst, various types of functional materials and the like; and a metallic salt thereof. In addition, excellent catalysts are also provided. An aryl halomethane is reacted with a sodium trifluoromethane sulfinate, the arylmethyl triflone produced thereby is reacted with a t-BuLi and the like, the lithium salt of the arylmethyl triflone obtained is reacted with a trifluoromethane sulfinic acid anhydride, and an arylbis (trifluoromethylsulfony)methane such as pentafluorophenylbis(triflyl)methane, {4-(pentafluorophenyl)-2,3,5,6-tetrafluorophenyl}bis(triflyl)methane and the like are obtained at a high yield.
摘要:
A process for preparing 3(4),8(9)-bis(aminomethyl)tricycle-[5.2.1.02,6]decane by hydroformylating dicyclopentadiene with subsequent reductive amination wherein the hydroformylation of dicyclopentadiene is carried out in two stages, and, in a first hydroformylation stage, the reaction is effected in a heterogeneous reaction system using an aqueous solution of transition metal compounds, containing water-soluble organic phosphorus (III) compounds in complex-bound form, of group VIII of the Periodic Table to give 8(9)-formyltricyclo[5.2.1.02,6]dec-3-ene, and, in a second hydroformylation stage, the thus obtained 8(9)-formyltricyclo[5.2.1.02,6]dec-3-ene is converted, in a homogeneous organic phase in the presence of transition metal compounds of group VIII of the Periodic Table of the Elements to 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane
摘要:
An azulene derivative capable of exerting a hypocholesterolemic effect on a mammal which is represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are selected from the group consisting of hydrogen, C.sub.1 -C.sub.12 alkyl groups and C.sub.2 -C.sub.12 alkenyl groups.
摘要:
Described is a mixture of polyhydroindan carboxaldehydes defined according to the structure: ##STR1## wherein R.sub.7 represents a moiety selected from the group consisting of methyl and isopropyl prepared by means of reacting bicyclopentadiene with a lower alkanol in the presence of a Lewis acid in order to form a mixture of compounds defined according to the structure: ##STR2## and then reacting the resulting ether with carbon monoxide and hydrogen in the presence of an "oxo" reaction catalyst.
摘要:
Described are mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '", R.sub.1 "", R.sub.3, R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '", R.sub.5 "" and R.sub.6 represents hydrogen or methyl with the provisos:(i) at least four of R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '" and R.sub.1 "" are hydrogen; and (ii) at least four of R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '" and R.sub.5 "" represent hydrogen;and wherein Z represents one of the moieties:(i) carboxaldehyde having the structure: ##STR2## (ii) alkylene dioxy or dialkoxy methyl having the structure: ##STR3## (iii) hydroxy methyl having the structure: ##STR4## (iv) acetoxymethyl having the structure: ##STR5## and wherein R.sub.7 and R.sub.8 taken separately represent C.sub.1 -C.sub.4 lower alkyl or R.sub.7 and R.sub.8 taken together represent C.sub.2 -C.sub.4 alkylene; wherein the line represented by:[++++]is either (i) a carbon-carbon single bond when R.sub.7 and R.sub.8 taken together are C.sub.2 -C.sub.4 alkylene or (ii) no bond at all when R.sub.7 and R.sub.8 taken separately represent C.sub.1 -C.sub.4 lower alkyl. Also described are processes for preparing such mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives, and processes for using the above defined mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives for their organoleptic properties and compositions containing said mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives including perfumes, perfumed articles (such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softeners and cosmetic powders), foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, smoking tobaccos and smoking tobacco articles.
摘要:
Described are mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '", R.sub.1 "", R.sub.3, R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '", R.sub.5 "" and R.sub.6 represent hydrogen or methyl with the provisos:(i) at least four of R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '" and R.sub.1 "" are hydrogen; and (ii) at least four of R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '" and R.sub.5 "" represent hydrogen;and wherein Z represents one of the moieties:(i) carboxaldehyde having the structure: ##STR2## (ii) alkylene dioxy or dialkoxy methyl having the structure: ##STR3## (iii) hydroxy methyl having the structure: ##STR4## (iv) acetoxymethyl having the structure: ##STR5## and wherein R.sub.7 and R.sub.8 take separately represent C.sub.1 -C.sub.4 lower alkyl or R.sub.7 and R.sub.8 taken together represent C.sub.2 -C.sub.4 alkylene; wherein the line represented by:[++++]is either (i) a carbon-carbon single bond when R.sub.7 and R.sub.8 taken together are C.sub.2 -C.sub.4 alkylene or (ii) no bond at all when R.sub.7 and R.sub.8 taken separately represent C.sub.1 -C.sub.4 lower alkyl. Also described are processes for preparing such mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives, and processes for using the above defined mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives for their organoleptic properties and compositions containing said mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives including perfumes, perfumed articles (such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softeners and cosmetic powders), foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, smoking tobaccos and smoking tobacco articles.
摘要:
Described are methyl substituted norbornane derivatives having the generic structure: ##STR1## wherein R represents the nitrile moiety having the structure:--C.tbd.N]or the dimethoxymethyl moiety having the structure: ##STR2## and wherein one of R.sub.1, or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen.Also described are processes and compositions for augmenting or enhancing the flavor and/or aroma of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, chewing tobaccos, perfumes, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents or fabric softeners or fabric softener articles using as the essential ingredient at least one of methyl substituted norbornane derivatives of our invention.
摘要翻译:描述了具有以下通用结构的甲基取代的降冰片烷衍生物:其中R表示具有以下结构的腈部分:-C 3 N N]或具有以下结构的二甲氧基甲基部分:其中R 1或R 2中的一个为甲基 R1或R2中的另一个为氢。 还描述了用于增强或增强消耗材料的风味和/或香气的方法和组合物,包括食品,口香糖,药用产品,牙膏,咀嚼烟草,香水,古龙水和香料制品,例如固体或液体阴离子,阳离子,非离子或非离子的 使用本发明的甲基取代的降冰片烷衍生物中的至少一种作为必需成分的两性离子洗涤剂或织物柔软剂或织物柔软剂制品。
摘要:
Described is a process for augmenting or enhancing the aroma or taste of a foodstuff or chewing gum comprising the step of adding to a foodstuff or chewing gum an aroma augmenting or enhancing quantity of a product comprising a major proportion of compounds defined according to the structure: ##STR1## wherein the dashed line is either a carbon-carbon single bond or a carbon-carbon double bond and each of the R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.6 and R.sub.7 represents hydrogen or methyl with the proviso that one of R.sub.1, R.sub.2, R.sub.6 and R.sub.7 is methyl and each of the other of R.sub.1, R.sub.2, R.sub.6 and R.sub.7 is hydrogen and R.sub.3 and R.sub.4 are not both methyl; wherein R.sub.5 represents C.sub.1 -C.sub.4 produced according to the process of reacting an alkyl acrylate compound with a methyl cyclopentadiene in the presence of or in the absence of catalyst to form a norbornane carboxylate ester-containing mixture and using the resulting mixture for its organoleptic properties or further reacting the mixture with hydrogen to produce a norbornane carboxylate-containing mixture and using that mixture for its organoleptic properties in augmenting or enhancing the aroma or taste of footstuffs or chewing gums.
摘要:
Described is the compound having the structure: ##STR1## which is used as an intermediate in preparing compounds having organoleptic properties for augmenting or enhancing the aroma or taste of consumable materials, which compounds have the structures: ##STR2##