WO2003045885A1 - 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them - Google Patents
3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them Download PDFInfo
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- WO2003045885A1 WO2003045885A1 PCT/US2002/037305 US0237305W WO03045885A1 WO 2003045885 A1 WO2003045885 A1 WO 2003045885A1 US 0237305 W US0237305 W US 0237305W WO 03045885 A1 WO03045885 A1 WO 03045885A1
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- 0 *c1cc(CCCC2)c2c(-c(c(CCCC2)c2cc2*)c2O)c1O Chemical compound *c1cc(CCCC2)c2c(-c(c(CCCC2)c2cc2*)c2O)c1O 0.000 description 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
- C07C39/17—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings containing other rings in addition to the six-membered aromatic rings, e.g. cyclohexylphenol
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/14—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon unsaturated bond
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/16—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/18—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by condensation involving halogen atoms of halogenated compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/10—Systems containing only non-condensed rings with a five-membered ring the ring being unsaturated
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/10—One of the condensed rings being a six-membered aromatic ring the other ring being six-membered, e.g. tetraline
Definitions
- This invention relates to the compositions 3- alkylated-5, 5', 6, 6' ,7, 7' ,8,8' -octahydro-2 , 2 ' -binaphthols and certain 3 , 3 • -dialkylated-5, 5 ' , 6 , 6 ' , 7 , 7 ' , 8 , 8 ' - octahydro-2 , 2 ' -binaphthols and to processes for making 3-alkylated-, and 3 , 3 ' -dialkylated-5 , 5 ' , 6 , 6 ' , 7 , 7 ' , 8, 8 ' - octahydro-2 , 2 ' -binaphthols, generally.
- Phosphorous-based ligands are useful as part of the catalyst system in industrially important reactions such as hydroformylation and hydrocyanation.
- the useful ligands include phosphines, phosphinites, phosphonites, and phosphites. See PCT patent applications WO 99/06146 and WO 99/62855. Both mono (phosphorous) ligands and bis (phosphorous) ligands are utilized in the art.
- Mono (phosphorous) ligands are compounds that contain a single phosphorus atom which serves as a donor to a transition metal, while bis (phosphorus) ligands, in general, contain two phosphorus donor atoms and typically form cyclic chelate structures with transition metals . Processes for the preparation of 3 , 3 ' -dialkyl-
- Patent 4,912,264 discloses heteropoly acid catalyzed phenol and naphthol alkylation.
- U.S. Patent 2,733,274 discloses cresol sulfonic acid catalyzed phenol alkylation.
- J. Am. Chem. Soc . , 1945, 67, 303 discloses aluminum chloride catalyzed phenol alkylation.
- Industrial and Engineering Chem., 1943, 35, 264 discloses sulfuric acid catalyzed phenol alkylation.
- Friedel-Crafts alkylation of aromatic compounds has also been reviewed. For example, see Olah, G. A. Friedel - Crafts and Related Reactions, Wiley-Interscience : New York, 1964, Vol. II, part I, Roberts, R. Friedel -Crafts Alkylation Chemistry, Marcel Dekker, 1984, and March, J. Advanced Organic Chemistry, 4 th Edition, Wiley- Interscience: New York, 1992, pp 534-539.
- rare earth metal trifluoromethanesulfonates as water-tolerant Lewis acid catalysts can be utilized in Friedel-Crafts alkylation of benzene and phenol derivatives with secondary alkyl methanesulfonates. See SynLett, 1998, 255-256 and Synthesis, 1999, 603-606.
- LiAlH 4 LiAlH 4 , a large excess of Mn0 2 , or even a stoichiometric amount of potassium ferricyanide to carry out industrial scale preparations of alkylated, hydrogenated binaphthols. Such a process would be expected to generate a large amount of byproducts.
- the present invention provides 3 -alkylated- 5, 5 ' , 6 , 6 ' , 7, 7 ' , 8 , 8 ' - octahydro-2 , 2 ' -binaphthols of the formula (1) and 3,3'- dialkylated-5,5' ,6, 6', 7, 7', 8, 8' -octahydro-2,2' - binaphthols of the formula (2) .
- R is Ci to C 20 alkyl, C 3 to C 20 cycloalkyl, or benzyl of the formula wherein each R' is independently H, alkyl or cycloalkyl of up to 6 carbons; provided that in formula (2) , when R is alkyl, the alkyl must be other than methyl or t- butyl.
- the present invention provides a process for making 3-alkylated- 5, 5 ', 6, 6 ', 7, 7 ', 8, 8 ' -octahydro-2,2 ' -binaphthols and 3,3'- dialkylated-5, 5 ' , 6, 6 ' ,7, 7 ' , 8, 8 ' -octahydro-2 , 2 ' - binaphthols by contacting 5 , 5 ', 6 , 6 ', 7 , 7 ', 8 , 8 ' -octahydro- 2,2 ' -binaphthol with an alkene or cycloalkene in the presence of an acid catalyst such as aluminum chloride, trifluoromethanesulfonic acid, tosylic acid, phosphotungstic acid, silicotungstic acid, phosphomolybdic acid, zirconium or aluminum triflate, polymeric perfluorinated sulfonic
- an acid catalyst
- the present invention provides a process for making 3-alkylated-
- the present invention provides a process for making 3-alkylated- 5, 5' ,6, 6', 7, 1 ' ,8, 8' -octahydro-2 , 2 ' -binaphthols and 3,3'- dialkylated-5, 5', 6, 6' ,7, 7' ,8, 8' -octahydro-2,2 ⁇ - binaphthols by contacting 5 , 5 ', 6, 6 ', 7, 7 ', 8 , 8 ' -octahydro- 2,2 ' -binaphthol with alkyl sulfonates, fluorinated alkyl sulfonates, alkyl benzenesulfonates, or alkyl p- toluenesulfonates in the presence of an acid catalyst such as trifluoromethanesulfonic acid or scandium triflate .
- an acid catalyst such as trifluoromethanesulfonic acid
- the present invention provides a process for making 3-alkylated- 5, 5 ', 6, 6 ', 7, 7 ', 8, 8 ' -octahydro-2, 2 ' -binaphthols and 3,3'- dialkylated-5, 5' ,6, 6', 7, 7', 8, 8' -octahydro-2,2 1 - binaphthols by contacting 5 , 5 ', 6, 6 ', 7, 7 ', 8 , 8 ' -octahydro- 2,2 ' -binaphthol with benzyl alcohol, or secondary or tertiary alcohol in the presence of aluminum chloride, trifluoromethanesulfonic acid, tosylic acid, phosphotungstic acid, silicotungstic acid, phosphomolybdic acid, zirconium or aluminum triflate, polymeric perfluorinated sulfonic acid (such as Nafion ® ) or polymeric perfluorin
- R is H ;
- R' is ethyl, C 3 to C 6 secondary, tertiary, or cyclic alkyl ; or a compound of the above formula wherein R and R' are the same and are selected from the group consisting of ethyl, C 3 to C 6 secondary or cyclic alkyl.
- Preferred compounds are those wherein R and R' are the same are selected from the group consisting of ethyl, isopropyl, cyclopentyl, and cyclohexyl .
- the alkylated 5, 5 ' , 6, 6 ' , 7 , 7 ' , 8 , 8 ' -octahydro-2 , 2 ⁇ binaphthols of this invention may be prepared by alkylation of 5, 5 ' , 6 , 6 ' , 7, 7 ' , 8 , 8 ⁇ -octahydro-2 , 2 ' - binaphthol in the presence of a catalyst, as shown below.
- the starting material, 5, 5', 6, 6', 7, 7', 8,8'- octahydro-2 , 2 ' -binaphthol can be obtained by the hydrogenation of 2 , 2 ' -binaphthol using a Pt0 2 catalyst, as described in Tetrahedron Lett. 1997, 5273.
- the first process aspect of the present invention is a process for making alkylated 5, 5', 6, 6', 7, 7', 8,8'- octahydro-2 , 2 ' -binaphthols by an acid-catalyzed, selective alkylation of 5, 5 ', 6 , 6 ', 7 , 7 ', 8 , 8 ' -octahydro- 2,2 ' -binaphthol by alkenes or cycloalkenes in the presence of an acid catalyst .
- the acid catalyst may be a Lewis acid or a protic acid.
- Suitable catalysts include the following: A1C1 3 , trifluoromethanesulfonic acid, tosylic acid, phosphotungstic acid, silicotungstic acid, phosphomolybdic acid, zirconium or aluminum triflate, polymeric perfluorinated sulfonic acid (such as the material sold by DuPont as Nafion ® ) and polymeric sulfonic acid (such as the material sold by Aldrich as
- the alkenes include monoethylenically unsaturated compounds containing from 3 to 20 carbons, such as propylene, butene, pentene, hexene, cyclopentene, cyclohexene, etc.
- the reaction may be carried out at 20°C to 220°C, preferably at 90°C to 180°C, when mono- substituted or 1 , 2-disubstituted alkenes are utilized as alkylating reagents, and 40°C to 90°C when 1,1- disubstituted, tri-substituted, tetra-substituted or aryl-substituted alkenes are utilized as alkylating reagents.
- the alkylation reaction may be carried out neat (without solvent) or in inert solvents such as nitromethane, methylene chloride, dichloroethane, chlorobenzene, dichlorobenzene, nitrobenzene or a combination of these solvents.
- reaction temperature When the boiling point of the alkene is lower than the reaction temperature, the reaction may be carried out in an autoclave or by feeding the alkene at atmosphere pressure. The reaction may be carried out in an autoclave when the boiling point of the solvent (s) is lower than the reaction temperature.
- alkene over binaphthol gives double alkylated 5 , 5 ', 6 , 6 ', 7, 7 ', 8 , 8 ' -octahydro- 2,2 ' -binaphthol , while about two equivalents or less of alkene (relative to 5, 5 ' , 6, 6 ' , 7 , 7 ' , 8 , 8 ⁇ -octahydro-2 , 2 ⁇ - binaphthol) gives both mono and double alkylated 5, 5', 6, 6', 7, 1 ' ,8, 8' -octahydro-2, 2 * -binaphthols.
- the second process aspect of the present invention is a process for making alkylated 5, 5', 6, 6', 7, 7' ,8,8'- octahydro-2 , 2 ' -binaphthol by the reaction of 5, 5 ', 6, 6 ', 7, 7 ', 8, 8 ' -octahydro-2, 2 ' -binaphthol with benzyl halide or tertiary alkyl halide in the presence of a Lewis acid catalyst.
- Suitable catalysts include the following: aluminum chloride, zinc chloride, boron trichloride, SnCl 4 , SbCl 5 , and ZrCl 4 . Zinc chloride is preferred.
- Suitable halides are bromides and chlorides.
- the reaction may be carried out at 0°C to 100°C, preferably at 20°C to 80°C.
- the alkylation reaction may be carried out in inert solvents such as nitromethane, methylene chloride, dichloroethane, chlorobenzene, dichlorobenzene, nitrobenzene or a combination of these solvents.
- solvents such as benzene, toluene, and xylene may also be used, but the solvents may become alkylated.
- tertiary alkyl halide When tertiary alkyl halide is used as an alkylating reagent, the reaction is very selective towards mono-alkylated 5, 5', 6, 6 ' , 7, 7', 8, 8' -octahydro- 2,2 ' -binaphthol even when several equivalents excess of tertiary alkyl halide are used.
- double alkylated 5, 5 ', 6, 6 ', 7, 7 ', 8 , 8 ' -octahydro-2 , 2 ' -binaphthol eventually is formed when a large excess of tertiary alkyl halide is used and the reaction is allowed to run at higher temperature and for longer time.
- double benzylated 5, 5', 6, 6', 7, 7', 8, 8' -octahydro-2 , 2 ⁇ -binaphthol is formed when a large excess of benzyl halide relative to binaphthol is used, while one equivalent of the benzyl halide (relative to 5, 5', 6, 6' ,7, 7', 8,8*- octahydro-2 , 2 ' -binaphthol) gives predominantly mono- benzylated 5 , 5 ' , 6, 6 ' , 7 , 7 ' , 8 , 8 ' -octahydro-2 , 2 ⁇ - binaphthols .
- the third process aspect of the present invention is a process for making alkylated 5, 5', 6, 6', 7, 7', 8,8'- octahydro-2 , 2 ' -binaphthol by the reaction of 5, 5 ', 6, 6 ', 7, 7 ', 8, 8 ' -octahydro-2,2 ' -binaphthol with alkyl sulfonates such as alkyl methanesulfonates, alkyl triflates, alkyl p-toluenesulfonates, and alkyl benzenesulfonates in the presence of an acid catalyst.
- alkyl sulfonates such as alkyl methanesulfonates, alkyl triflates, alkyl p-toluenesulfonates, and alkyl benzenesulfonates in the presence of an acid catalyst.
- Suitable alkyl sulfonates are of the formula A-S0 3 -B, wherein A is Ci to C 8 alkyl, Ci to C 8 fluorinated alkyl, C 6 to Cio aryl, or C 6 to C ⁇ 0 fluorinated aryl ; and B is Ci to C 2 o alkyl.
- Suitable catalysts for alkylation of 5, 5' ,6, 6' ,7, 7', 8, 8' -octahydro-2 , 2 ' -binaphthol with alkyl sulfonates include Lewis acids such as aluminum chloride and boron trifluoride, as well as other acid catalysts such trifluoromethanesulfonic acid, tosylic acid, and rare earth metal triflates such as scandium trifluoromethanesulfonate, ytterbium trifluoromethanesulfonate, or lanthanum trifluoromethanesulfonate .
- Trifluoromethanesulfonic acid and scandium trifluoromethanesulfonate are the preferred catalysts.
- Alkylation of 5 , 5 ' , 6 , 6 ' , 7, 7 ' , 8, 8 ' -octahydro- 2 , 2 ' -binaphthol may be carried out at 20°C to 220°C, preferably at 90°C to 180°C.
- the alkylation reaction may be carried out in inert solvents such as nitromethane, methylene chloride, carbon tetrachloride, dichloroethane, chlorobenzene, dichlorobenzene, nitrobenzene or a combination of these solvents.
- alkyl sulfonate gives double alkylated 5, 5 ' , 6, 6', 7, 7', 8, 8* -octahydro-2,2 ' -binaphthol, while about 1.5 equivalents or less of alkyl sulfonate (relative to 5, 5 ' , 6 , 6 ' , 7, 7 ' , 8 , 8 ' -octahydro-2 , 2 * - binaphthol) gives predominately mono alkylated 5, 5', 6, 6', 7, 7', 8, 8' -octahydro-2,2 ' -binaphthols.
- the fourth process aspect of the present invention is a process for making alkylated 5, 5', 6, 6', 7, 7', 8,8'- octahydro-2 , 2 ' -binaphthol by the reaction of 5, 5 ' ,6, 6' ,7,7' ,8,8 ' -octahydro-2,2 ' -binaphthol with benzyl alcohol, secondary and tertiary alcohols containing 3 to 20 carbon atoms, in the presence of an acid catalyst.
- Suitable catalysts include the following: trifluoromethanesulfonic acid, tosylic acid, aluminum chloride, phosphotungstic acid, silicotungstic acid, phosphomolybdic acid, polymeric perfluorinated sulfonic acid (such as Nafion ® ) and polymeric sulfonic acid (such as Amberlyst ® 15 ion-exchange resin and Dowex 32 ® ) .
- Trifluoromethanesul onic acid is preferred.
- Alkylation of 5, 5 ' , 6, 6 ' , 7 , 7 ' , 8 , 8 ' -octahydro-2 , 2 ' - binaphthol with alcohols may be carried out at 20°C to 220°C, preferably at 90°C to 180°C.
- the alkylation reaction may be carried out in inert solvents such as nitromethane, methylene chloride, carbon tetrachloride, dichloroethane, chlorobenzene, dichlorobenzene, nitrobenzene or a combination of these solvents.
- solvents such as benzene, toluene, and xylene may also be used, but the solvents may become alkylated.
- Catalysts used in the processes of the present invention may be unsupported or supported. Suitable supports include silicon dioxide, zeolites, alumino silicates, and polystyrene.
- the compounds which are produced by the process of the present invention can be used as reactants to make phosphorous-containing ligands that are useful to make catalysts that, in turn, are useful in both hydrocyanation and hydroformylation reactions.
- Bidentate phosphite ligands are particularly useful. Bidentate phosphite ligands can be prepared as described in U.S. Patent 5,235,113 by contacting phosphorochloridites with the compounds made by the processes of the present invention. More recent U.S.
- Patents 6,031,120 and 6,069,267 describe selective synthesis of bidentate phosphite ligands in which a phosphorochloridite is prepared in-situ from phosphorus trichloride and a phenol such as o-cresol and then treated in the same reaction vessel with an aromatic diol to give the bidentate phosphite ligand.
- the alkylated products of the processes of the present invention can be substituted for the aromatic diol in the above process.
- the compounds made by the processes of the present invention can be used to make polymeric ligands by a process which comprises (1) reacting the compounds made by the processes of the present invention with a benzyl chloride containing polymer, in the presence of a Lewis acid catalyst, and (2) reacting the product of step (1) with at least one phosphorochloridite compound in the presence of an organic base.
- a Lewis acid catalyst is zinc chloride or aluminum chloride
- the organic base is a trialkylamine .
- phosphorus-containing ligands Two particularly important industrial catalytic reactions using phosphorus-containing ligands are olefin hydrocyanation and isomerization of branched nitriles to linear nitriles.
- Phosphite ligands are particularly useful for both reactions.
- the hydrocyanation of unactivated and activated ethylenically unsaturated compounds (olefins) using transition metal complexes with monodentate and bidentate phosphite ligands is well known.
- Bidentate phosphinite and phosphonite ligands are useful as part of a catalyst system for the hydrocyanation of ethylenically unsaturated compounds.
- Bidentate phosphinite ligands are also useful as part of a catalyst system for the hydrocyanation of aromatic vinyl compounds .
- Hydroformylation is another industrially useful process that utilizes catalysts made from phosphorus- containing ligands.
- catalysts made from phosphorus- containing ligands are known for this purpose.
- the use of catalysts made from phosphite ligands is also known.
- Such catalysts usually contain a Group VIII metal. See for example, U.S. Patent 5,235,113, the disclosure of which is incorporated herein by reference.
- the present invention also relates to compounds of the formula
- R is H
- R' is ethyl, C 3 to C 6 secondary, tertiary, or cyclic alkyl ; or a compound of the above formula wherein
- R and R' are the same and are selected from the group consisting of ethyl, C 3 to C 6 secondary or cyclic alkyl.
- Preferred compounds are those wherein R and R' are the same are selected from the group consisting of ethyl, isopropyl, cyclopentyl, and cyclohexyl .
- the mixture was purified by flash column to give 20.0 g of 3,3' -diisopropyl-5, 5', 6, 6' ,7, 7', 8, 8' -octahydro-2,2 ' - binaphthol .
- a solution of 5 , 5 ' , 6 , 6 ' , 7, 7 ' , 8 , 8 ' -octahydro-2 , 2 ' - binapthol in o-dichlorobenzene and dodecane (24 weight % of 5, 5 ', 6, 6 ', 7, 7 ', 8, 8 ' -octahydro-2,2 • -binapthol, 63 weight% o-dichlorobenzene, 13 weight% dodecane) was heated to 140°C for 3 hours under 60 to 70 psi of propylene in the presence of 17 weight% of phosphotungstic acid.
- Example 8 Alkylation of 5, 5 ' , 6, 6 ' , 7 , 7 ' , 8, 8 ' -octahydro-2, 2 ' - binaphthol with propylene and sulfated zirconia catalyst A solution of 5, 5 ' , 6, 6 ' , 7, 7 ' , 8, 8 ' -octahydro-2,2 ' - binapthol in o-dichlorobenzene and dodecane (24 weight
- GC showed 86% conversion, and 76% selectivity to 3-isopropyl- 5, 5', 6, 6', 7, 7', 8, 8' -octahydro-2 , 2 ' -binaphthol .
- the mixture was diluted with ether (20 ml) and 10% HCl (20 ml) .
- the layers were separated, and the aqueous layer was extracted with ether (3 X 20 ml) .
- the ether layers were combined, dried (MgS0 4 ) , and concentrated.
- the crude product was purified by column chromatography (Si0 2 , 2% ethyl acetate/hexanes) to yield 1.1 g white solid (48%) .
- MP 100-102°C.
- GC showed 93% conversion and 77% selectivity to 3-cyclopentyl-5, 5 ' , 6 , 6 ' , 7 , 7 ' , 8 , 8 ' - octahydro-2 , 2 ' -binaphthol .
- the mixture was diluted with ether (20 ml) and 10% HCl (20 ml) .
- the layers were separated, and the aqueous layer was extracted with ether (3 X 20 ml) .
- the ether layers were combined, dried (MgS0 4 ) , and concentrated.
- the crude product was purified by column chromatography (Si0 2 , 2% ethyl acetate/hexanes) to yield 1.4 g white solid (57%) .
- 2,2' -binaphthol A mixture of 5 , 5 ' , 6 , 6 ' , 7, 7 ' , 8 , 8 ' -octahydro-2 , 2 ' - binaphthol (1.0 g, 3.4 mmol), tert-butyl alcohol (1.4 g) , trifluoromethanesulfonic acid (0.04 g) was dissolved in 2 ml 1 , 2-dichlorobenzene . The mixture was heated at 120 °C for 2.5 hours. GC showed 97% conversion to 87% mono-butylated product, and 10% bis-butylated product. The mixture was cooled, and diluted with 10 ml water and 10 ml ether.
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Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047007921A KR100895179B1 (en) | 2001-11-26 | 2002-11-20 | 3-Alkylated-5,5',6,6',7,7',8,8'-Octahydro-2,2'-Binaphthols and 3,3'-Dialkylated-5,5',6,6',7,7',8,8'-Octahydro-2,2'-Binaphthols and Processes for Making Them |
AT02789788T ATE471924T1 (en) | 2001-11-26 | 2002-11-20 | 3-ALKYL-5.5',6.6',7.7',8.8'-OCTAHYDRO-2,2'-BINAPHTHOLS AND 3,3'-DIALKYL-5.5',6.6', 7,7',8,8'-OCTAHYDRO-2,2'-BINAPHTHOLS, AND METHOD FOR THE PRODUCTION THEREOF |
DE60236814T DE60236814D1 (en) | 2001-11-26 | 2002-11-20 | 3-ALKYL-5,5 ', 6,6', 7,7 ', 8,8'-OCTAHYDRO-2,2'-BINAPHTHOLE AND 3,3'-DIALKYL-5,5', 6,6 ', 7,7 ', 8,8'-OCTAHYDRO-2,2'-BINAPHTHOLE, AND METHOD FOR THE PRODUCTION THEREOF |
JP2003547343A JP4339691B2 (en) | 2001-11-26 | 2002-11-20 | 3-alkylated-5,5 ′, 6,6 ′, 7,7 ′, 8,8′-octahydro-2,2′-binaphthol and 3,3′-dialkylated-5,5 ′, 6,6 ', 7,7', 8,8'-Octahydro-2,2'-binaphthol and process for producing them |
AU2002352832A AU2002352832A1 (en) | 2001-11-26 | 2002-11-20 | 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
EP02789788A EP1465851B1 (en) | 2001-11-26 | 2002-11-20 | 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
CA002468112A CA2468112A1 (en) | 2001-11-26 | 2002-11-20 | 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
BR0214230-9A BR0214230A (en) | 2001-11-26 | 2002-11-20 | Compounds and compound manufacturing processes |
MXPA04004939A MXPA04004939A (en) | 2001-11-26 | 2002-11-20 | 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/994,099 | 2001-11-26 | ||
US09/994,099 US20030100803A1 (en) | 2001-11-26 | 2001-11-26 | 3-Alkylated-5,5',6,6',7,7,'8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
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WO2003045885A1 true WO2003045885A1 (en) | 2003-06-05 |
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US (3) | US20030100803A1 (en) |
EP (4) | EP1465851B1 (en) |
JP (3) | JP4339691B2 (en) |
KR (2) | KR100895179B1 (en) |
CN (1) | CN100374404C (en) |
AT (2) | ATE509004T1 (en) |
AU (1) | AU2002352832A1 (en) |
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CA (1) | CA2468112A1 (en) |
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PL (1) | PL371464A1 (en) |
TW (1) | TWI243812B (en) |
WO (1) | WO2003045885A1 (en) |
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US20030100803A1 (en) * | 2001-11-26 | 2003-05-29 | Lu Helen S.M. | 3-Alkylated-5,5',6,6',7,7,'8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
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CN110283051B (en) * | 2019-07-19 | 2022-03-15 | 西安近代化学研究所 | Octahydro-1, 1' -bi-2-naphthol purification method |
JP6770619B1 (en) * | 2019-09-09 | 2020-10-14 | 第一工業製薬株式会社 | Method for Producing 1,1'-Bi-2-naphthol Compound |
CN114920702A (en) * | 2022-05-27 | 2022-08-19 | 河南师范大学 | Method for synthesizing optically active imidazolone compounds by asymmetric conjugate addition |
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US20030100803A1 (en) * | 2001-11-26 | 2003-05-29 | Lu Helen S.M. | 3-Alkylated-5,5',6,6',7,7,'8,8'-octahydro-2,2'-binaphthols and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthols and processes for making them |
AU2002365409A1 (en) * | 2001-11-26 | 2003-06-10 | E. I. Du Pont De Nemours And Company | Supported bis(phosphorus)ligands and their use in the catalysis |
-
2001
- 2001-11-26 US US09/994,099 patent/US20030100803A1/en not_active Abandoned
-
2002
- 2002-08-27 TW TW091119385A patent/TWI243812B/en not_active IP Right Cessation
- 2002-11-20 KR KR1020047007921A patent/KR100895179B1/en not_active IP Right Cessation
- 2002-11-20 JP JP2003547343A patent/JP4339691B2/en not_active Expired - Fee Related
- 2002-11-20 AU AU2002352832A patent/AU2002352832A1/en not_active Abandoned
- 2002-11-20 BR BR0214230-9A patent/BR0214230A/en not_active Application Discontinuation
- 2002-11-20 PL PL02371464A patent/PL371464A1/en unknown
- 2002-11-20 EP EP02789788A patent/EP1465851B1/en not_active Expired - Lifetime
- 2002-11-20 EP EP10179048A patent/EP2275397A1/en not_active Withdrawn
- 2002-11-20 WO PCT/US2002/037305 patent/WO2003045885A1/en active Application Filing
- 2002-11-20 EP EP07010025A patent/EP1820790B1/en not_active Expired - Lifetime
- 2002-11-20 KR KR1020097001784A patent/KR20090016020A/en not_active Application Discontinuation
- 2002-11-20 MX MXPA04004939A patent/MXPA04004939A/en active IP Right Grant
- 2002-11-20 CN CNB028275365A patent/CN100374404C/en not_active Expired - Lifetime
- 2002-11-20 ES ES07010025T patent/ES2363167T3/en not_active Expired - Lifetime
- 2002-11-20 CA CA002468112A patent/CA2468112A1/en not_active Abandoned
- 2002-11-20 EP EP10179062A patent/EP2279994A1/en not_active Withdrawn
- 2002-11-20 AT AT07010025T patent/ATE509004T1/en not_active IP Right Cessation
- 2002-11-20 AT AT02789788T patent/ATE471924T1/en not_active IP Right Cessation
- 2002-11-20 DE DE60236814T patent/DE60236814D1/en not_active Expired - Lifetime
-
2003
- 2003-07-23 US US10/625,227 patent/US20040054237A1/en not_active Abandoned
-
2005
- 2005-04-11 US US11/103,044 patent/US7071365B2/en not_active Expired - Fee Related
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2009
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- 2009-02-18 JP JP2009035927A patent/JP4425981B2/en not_active Expired - Fee Related
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Also Published As
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US20050182279A1 (en) | 2005-08-18 |
US7071365B2 (en) | 2006-07-04 |
EP1465851A1 (en) | 2004-10-13 |
ES2363167T3 (en) | 2011-07-22 |
JP4425981B2 (en) | 2010-03-03 |
US20040054237A1 (en) | 2004-03-18 |
CN1714064A (en) | 2005-12-28 |
KR20040055818A (en) | 2004-06-29 |
PL371464A1 (en) | 2005-06-13 |
KR20090016020A (en) | 2009-02-12 |
EP2279994A1 (en) | 2011-02-02 |
EP2275397A1 (en) | 2011-01-19 |
KR100895179B1 (en) | 2009-05-04 |
TWI243812B (en) | 2005-11-21 |
CA2468112A1 (en) | 2003-06-05 |
DE60236814D1 (en) | 2010-08-05 |
ATE471924T1 (en) | 2010-07-15 |
EP1820790A3 (en) | 2009-11-25 |
AU2002352832A1 (en) | 2003-06-10 |
CN100374404C (en) | 2008-03-12 |
JP4339691B2 (en) | 2009-10-07 |
EP1820790A2 (en) | 2007-08-22 |
ATE509004T1 (en) | 2011-05-15 |
JP2009149671A (en) | 2009-07-09 |
JP2009108106A (en) | 2009-05-21 |
BR0214230A (en) | 2004-09-21 |
MXPA04004939A (en) | 2004-08-11 |
JP2005510552A (en) | 2005-04-21 |
EP1465851B1 (en) | 2010-06-23 |
US20030100803A1 (en) | 2003-05-29 |
EP1820790B1 (en) | 2011-05-11 |
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