NZ249302A - 4,5-diphenyl-1,3,2-oxazaborolidine derivatives and their use as catalysts in reduction of ketones to chiral alcohols - Google Patents
4,5-diphenyl-1,3,2-oxazaborolidine derivatives and their use as catalysts in reduction of ketones to chiral alcoholsInfo
- Publication number
- NZ249302A NZ249302A NZ249302A NZ24930293A NZ249302A NZ 249302 A NZ249302 A NZ 249302A NZ 249302 A NZ249302 A NZ 249302A NZ 24930293 A NZ24930293 A NZ 24930293A NZ 249302 A NZ249302 A NZ 249302A
- Authority
- NZ
- New Zealand
- Prior art keywords
- phenyl
- title compound
- carbon atom
- oxazaborolidine
- formula
- Prior art date
Links
- 150000002576 ketones Chemical class 0.000 title claims abstract description 24
- 239000003054 catalyst Substances 0.000 title abstract description 15
- 150000001298 alcohols Chemical class 0.000 title abstract description 10
- JBPPDQRJSBZUAD-UHFFFAOYSA-N O1BNC(C=2C=CC=CC=2)C1C1=CC=CC=C1 Chemical class O1BNC(C=2C=CC=CC=2)C1C1=CC=CC=C1 JBPPDQRJSBZUAD-UHFFFAOYSA-N 0.000 title 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 claims abstract description 28
- BDOLXPFAFMNDOK-UHFFFAOYSA-N oxazaborolidine Chemical compound B1CCON1 BDOLXPFAFMNDOK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000085 borane Inorganic materials 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims description 30
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 28
- 125000004432 carbon atom Chemical group C* 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- XHLHPRDBBAGVEG-UHFFFAOYSA-N 1-tetralone Chemical compound C1=CC=C2C(=O)CCCC2=C1 XHLHPRDBBAGVEG-UHFFFAOYSA-N 0.000 claims description 2
- 125000001475 halogen functional group Chemical group 0.000 claims 4
- FVQDOKQWEOZEBQ-UHFFFAOYSA-N B1NCCO1 Chemical compound B1NCCO1 FVQDOKQWEOZEBQ-UHFFFAOYSA-N 0.000 claims 2
- JMSUNAQVHOHLMX-SSDOTTSWSA-N (1r)-1-cyclohexylethanol Chemical compound C[C@@H](O)C1CCCCC1 JMSUNAQVHOHLMX-SSDOTTSWSA-N 0.000 claims 1
- QMDUEBURHKSKDG-ZCFIWIBFSA-N (1r)-1-pyridin-3-ylethanol Chemical compound C[C@@H](O)C1=CC=CN=C1 QMDUEBURHKSKDG-ZCFIWIBFSA-N 0.000 claims 1
- MGSHXMOLUWTMGP-MRVPVSSYSA-N (4r)-3,4-dihydro-2h-chromen-4-ol Chemical compound C1=CC=C2[C@H](O)CCOC2=C1 MGSHXMOLUWTMGP-MRVPVSSYSA-N 0.000 claims 1
- UAXQBCQWFKWRTA-UHFFFAOYSA-N 2-bromo-1-[2-(trifluoromethyl)-1,3-thiazol-4-yl]ethanone Chemical compound FC(F)(F)C1=NC(C(=O)CBr)=CS1 UAXQBCQWFKWRTA-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 239000000047 product Substances 0.000 description 14
- 239000011541 reaction mixture Substances 0.000 description 14
- -1 oxazaborolidine compound Chemical class 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 125000005843 halogen group Chemical group 0.000 description 9
- 125000001424 substituent group Chemical group 0.000 description 8
- 239000002904 solvent Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- BRTALTYTFFNPAC-UHFFFAOYSA-N boroxin Chemical compound B1OBOBO1 BRTALTYTFFNPAC-UHFFFAOYSA-N 0.000 description 6
- 125000001153 fluoro group Chemical group F* 0.000 description 6
- 239000012442 inert solvent Substances 0.000 description 6
- 150000004678 hydrides Chemical class 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- MCQRPQCQMGVWIQ-UHFFFAOYSA-N boron;methylsulfanylmethane Chemical compound [B].CSC MCQRPQCQMGVWIQ-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 125000001072 heteroaryl group Chemical group 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- UWTDFICHZKXYAC-UHFFFAOYSA-N boron;oxolane Chemical compound [B].C1CCOC1 UWTDFICHZKXYAC-UHFFFAOYSA-N 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000002971 oxazolyl group Chemical group 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 125000000335 thiazolyl group Chemical group 0.000 description 2
- GEJJWYZZKKKSEV-UONOGXRCSA-N (1r,2s)-2-amino-1,2-diphenylethanol Chemical compound C1([C@@H](O)[C@@H](N)C=2C=CC=CC=2)=CC=CC=C1 GEJJWYZZKKKSEV-UONOGXRCSA-N 0.000 description 1
- GEJJWYZZKKKSEV-KGLIPLIRSA-N (1s,2r)-2-amino-1,2-diphenylethanol Chemical group C1([C@H](O)[C@H](N)C=2C=CC=CC=2)=CC=CC=C1 GEJJWYZZKKKSEV-KGLIPLIRSA-N 0.000 description 1
- DFOXKPDFWGNLJU-RXMQYKEDSA-N (2r)-3,3-dimethylbutan-2-ol Chemical compound C[C@@H](O)C(C)(C)C DFOXKPDFWGNLJU-RXMQYKEDSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- VOXXGUAZBWSUSS-UHFFFAOYSA-N 2,4,6-triphenyl-1,3,5,2,4,6-trioxatriborinane Chemical compound O1B(C=2C=CC=CC=2)OB(C=2C=CC=CC=2)OB1C1=CC=CC=C1 VOXXGUAZBWSUSS-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007818 Grignard reagent Substances 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 241000428199 Mustelinae Species 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
- 150000001543 aryl boronic acids Chemical class 0.000 description 1
- 150000003935 benzaldehydes Chemical class 0.000 description 1
- 238000007193 benzoin condensation reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- UORVGPXVDQYIDP-BJUDXGSMSA-N borane Chemical class [10BH3] UORVGPXVDQYIDP-BJUDXGSMSA-N 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 125000005620 boronic acid group Chemical class 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- ZDQWVKDDJDIVAL-UHFFFAOYSA-N catecholborane Chemical compound C1=CC=C2O[B]OC2=C1 ZDQWVKDDJDIVAL-UHFFFAOYSA-N 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011982 enantioselective catalyst Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/28—Radicals substituted by singly-bound oxygen or sulphur atoms
- C07D213/30—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/24—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
-
- 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
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyridine Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88331792A | 1992-05-14 | 1992-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ249302A true NZ249302A (en) | 1996-11-26 |
Family
ID=25382382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ249302A NZ249302A (en) | 1992-05-14 | 1993-02-01 | 4,5-diphenyl-1,3,2-oxazaborolidine derivatives and their use as catalysts in reduction of ketones to chiral alcohols |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5552548A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0640089B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2525127B2 (cg-RX-API-DMAC7.html) |
| KR (2) | KR950701637A (cg-RX-API-DMAC7.html) |
| AT (1) | ATE146790T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU659929B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2134096C (cg-RX-API-DMAC7.html) |
| DE (1) | DE69306945T2 (cg-RX-API-DMAC7.html) |
| DK (1) | DK0640089T3 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2096275T3 (cg-RX-API-DMAC7.html) |
| FI (1) | FI107259B (cg-RX-API-DMAC7.html) |
| GR (1) | GR3022171T3 (cg-RX-API-DMAC7.html) |
| HU (1) | HU215089B (cg-RX-API-DMAC7.html) |
| IL (1) | IL105623A (cg-RX-API-DMAC7.html) |
| MX (1) | MX9302785A (cg-RX-API-DMAC7.html) |
| MY (1) | MY111251A (cg-RX-API-DMAC7.html) |
| NO (1) | NO300500B1 (cg-RX-API-DMAC7.html) |
| NZ (1) | NZ249302A (cg-RX-API-DMAC7.html) |
| TW (1) | TW232696B (cg-RX-API-DMAC7.html) |
| WO (1) | WO1993023408A1 (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA933340B (cg-RX-API-DMAC7.html) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06329679A (ja) * | 1993-01-20 | 1994-11-29 | Nissan Chem Ind Ltd | 光学活性β−アミノアルコキシボラン錯体 |
| TW416958B (en) * | 1993-05-14 | 2001-01-01 | Pfizer | Enantioselective oxazaborolidine catalysts |
| CA2167287A1 (en) * | 1993-07-16 | 1995-01-26 | George Joseph Quallich | Enantioselective process for thiazole intermediates |
| EP0724552B1 (en) * | 1993-11-30 | 1997-10-29 | Pfizer Inc. | Process for preparing a chiral tetralone |
| US5495054A (en) * | 1994-05-31 | 1996-02-27 | Sepracor, Inc. | Tetrahydroindeno[1,2-D][1,3,2]oxazaboroles and their use as enantioselective catalysts |
| AU2792497A (en) * | 1996-09-18 | 1998-04-14 | Shionogi & Co., Ltd. | Process for preparing optically acitve alcohol by reduction with asymmetric borane |
| ES2130083B1 (es) * | 1997-08-04 | 2000-01-16 | Esteve Labor Dr | Procedimiento para la obtencion de los enantiomeros de cizolirtina. |
| US6509472B2 (en) * | 2000-09-11 | 2003-01-21 | Schering Corporation | 4-Cyclohexyl-1,3,2-oxazaborolidine chiral accessories |
| DK2035437T3 (da) * | 2006-06-26 | 2010-11-29 | Basf Se | Boran-æter-komplekser |
| US20080242877A1 (en) * | 2007-02-26 | 2008-10-02 | Vinod Kumar Kansal | Intermediates and processes for the synthesis of Ramelteon |
| US7838691B2 (en) * | 2007-04-05 | 2010-11-23 | Board Of Regents, Of The University Of Texas System | Palmerolides: methods of preparation and derivatives thereof |
| JP2010526075A (ja) * | 2007-04-30 | 2010-07-29 | アドロー コーポレイション | （−）−ｅ−１０−ｏｈ−ｎｔの組成物、ならびにそれらの合成および使用のための方法 |
| US8084630B2 (en) * | 2007-05-31 | 2011-12-27 | Teva Pharmaceutical Industries Ltd. | Process for the synthesis of ramelteon and its intermediates |
| US20090082568A1 (en) * | 2007-09-21 | 2009-03-26 | Basf Aktiengesellschaft | Accelerated reduction of organic substances with boranes |
| US20090281176A1 (en) * | 2007-11-01 | 2009-11-12 | Vinod Kumar Kansal | Process for the synthesis of ramelteon and its intermediates |
| US20100152468A1 (en) * | 2008-10-16 | 2010-06-17 | Teva Pharmaceutical Industries Ltd. | Process for the synthesis of ramelteon and its intermediates |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4943635A (en) * | 1987-08-27 | 1990-07-24 | President & Fellows Of Harvard College | Enantioselective reduction of ketones |
| US5157129A (en) * | 1990-04-18 | 1992-10-20 | Merck & Co., Inc. | Enantiospecific synthesis of s-(+)-5,6-dihydro-4-(r-amino)-4h-thieno(2,3-b)thiopyran-2-sulfonamide-7,7-dioxide |
| US5039802A (en) * | 1990-04-18 | 1991-08-13 | Merck & Co., Inc. | Arylation process for preparation of chiral catalysts for ketone reduction |
| JPH06329679A (ja) * | 1993-01-20 | 1994-11-29 | Nissan Chem Ind Ltd | 光学活性β−アミノアルコキシボラン錯体 |
| TW416958B (en) * | 1993-05-14 | 2001-01-01 | Pfizer | Enantioselective oxazaborolidine catalysts |
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1993
- 1993-02-01 DE DE69306945T patent/DE69306945T2/de not_active Expired - Fee Related
- 1993-02-01 KR KR1019940704055A patent/KR950701637A/ko active Granted
- 1993-02-01 AU AU35931/93A patent/AU659929B2/en not_active Ceased
- 1993-02-01 DK DK93904636.3T patent/DK0640089T3/da active
- 1993-02-01 KR KR1019940704055A patent/KR0149208B1/ko not_active Expired - Fee Related
- 1993-02-01 EP EP93904636A patent/EP0640089B1/en not_active Expired - Lifetime
- 1993-02-01 CA CA002134096A patent/CA2134096C/en not_active Expired - Fee Related
- 1993-02-01 AT AT93904636T patent/ATE146790T1/de not_active IP Right Cessation
- 1993-02-01 JP JP5520175A patent/JP2525127B2/ja not_active Expired - Fee Related
- 1993-02-01 NZ NZ249302A patent/NZ249302A/en unknown
- 1993-02-01 ES ES93904636T patent/ES2096275T3/es not_active Expired - Lifetime
- 1993-02-01 WO PCT/US1993/000687 patent/WO1993023408A1/en not_active Ceased
- 1993-02-13 TW TW082101021A patent/TW232696B/zh active
- 1993-05-06 IL IL105623A patent/IL105623A/en not_active IP Right Cessation
- 1993-05-12 MX MX9302785A patent/MX9302785A/es unknown
- 1993-05-13 HU HU9301395A patent/HU215089B/hu not_active IP Right Cessation
- 1993-05-13 ZA ZA933340A patent/ZA933340B/xx unknown
- 1993-05-13 FI FI932174A patent/FI107259B/fi not_active IP Right Cessation
- 1993-05-14 MY MYPI93000900A patent/MY111251A/en unknown
-
1994
- 1994-10-13 US US08/318,828 patent/US5552548A/en not_active Expired - Fee Related
- 1994-11-11 NO NO944297A patent/NO300500B1/no not_active IP Right Cessation
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1996
- 1996-12-30 GR GR960403546T patent/GR3022171T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0640089A1 (en) | 1995-03-01 |
| KR0149208B1 (ko) | 1998-10-15 |
| FI932174L (fi) | 1993-11-15 |
| KR950701637A (ko) | 1995-04-28 |
| ZA933340B (en) | 1994-11-14 |
| MX9302785A (es) | 1994-02-28 |
| JPH07503734A (ja) | 1995-04-20 |
| GR3022171T3 (en) | 1997-03-31 |
| US5552548A (en) | 1996-09-03 |
| JP2525127B2 (ja) | 1996-08-14 |
| AU3593193A (en) | 1993-12-13 |
| FI107259B (fi) | 2001-06-29 |
| EP0640089B1 (en) | 1996-12-27 |
| HUT65136A (en) | 1994-04-28 |
| DK0640089T3 (da) | 1997-06-16 |
| ES2096275T3 (es) | 1997-03-01 |
| FI932174A0 (fi) | 1993-05-13 |
| TW232696B (cg-RX-API-DMAC7.html) | 1994-10-21 |
| MY111251A (en) | 1999-10-30 |
| AU659929B2 (en) | 1995-06-01 |
| HU215089B (hu) | 1998-09-28 |
| DE69306945D1 (de) | 1997-02-06 |
| CA2134096A1 (en) | 1993-11-25 |
| ATE146790T1 (de) | 1997-01-15 |
| NO944297D0 (no) | 1994-11-11 |
| IL105623A (en) | 1998-02-22 |
| CA2134096C (en) | 1997-11-25 |
| WO1993023408A1 (en) | 1993-11-25 |
| DE69306945T2 (de) | 1997-05-07 |
| IL105623A0 (en) | 1993-09-22 |
| HU9301395D0 (en) | 1993-09-28 |
| NO300500B1 (no) | 1997-06-09 |
| NO944297L (no) | 1994-11-11 |
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