TW232696B - - Google Patents

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Publication number
TW232696B
TW232696B TW082101021A TW82101021A TW232696B TW 232696 B TW232696 B TW 232696B TW 082101021 A TW082101021 A TW 082101021A TW 82101021 A TW82101021 A TW 82101021A TW 232696 B TW232696 B TW 232696B
Authority
TW
Taiwan
Prior art keywords
valuable
utilization
formula
new
optically pure
Prior art date
Application number
TW082101021A
Other languages
English (en)
Original Assignee
Pfizer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of TW232696B publication Critical patent/TW232696B/zh

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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 System
    • 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 System
    • 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
TW082101021A 1992-05-14 1993-02-13 TW232696B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88331792A 1992-05-14 1992-05-14

Publications (1)

Publication Number Publication Date
TW232696B true TW232696B (zh) 1994-10-21

Family

ID=25382382

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082101021A TW232696B (zh) 1992-05-14 1993-02-13

Country Status (21)

Country Link
US (1) US5552548A (zh)
EP (1) EP0640089B1 (zh)
JP (1) JP2525127B2 (zh)
KR (2) KR950701637A (zh)
AT (1) ATE146790T1 (zh)
AU (1) AU659929B2 (zh)
CA (1) CA2134096C (zh)
DE (1) DE69306945T2 (zh)
DK (1) DK0640089T3 (zh)
ES (1) ES2096275T3 (zh)
FI (1) FI107259B (zh)
GR (1) GR3022171T3 (zh)
HU (1) HU215089B (zh)
IL (1) IL105623A (zh)
MX (1) MX9302785A (zh)
MY (1) MY111251A (zh)
NO (1) NO300500B1 (zh)
NZ (1) NZ249302A (zh)
TW (1) TW232696B (zh)
WO (1) WO1993023408A1 (zh)
ZA (1) ZA933340B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
JPH08507310A (ja) * 1993-07-16 1996-08-06 ファイザー・インク． チアゾール誘導体のエナンチオ選択的調製
ATE159706T1 (de) * 1993-11-30 1997-11-15 Pfizer Verfahren zur herstellung von chiralen tetralonen
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
ATE478080T1 (de) * 2006-06-26 2010-09-15 Basf Se Boranetherkomplexe
US20080242877A1 (en) * 2007-02-26 2008-10-02 Vinod Kumar Kansal Intermediates and processes for the synthesis of Ramelteon
WO2008124072A1 (en) * 2007-04-05 2008-10-16 The Board Of Regents Of The University Of Texas System Palmerolides: methods of preparation and derivatives thereof
CN101720186A (zh) * 2007-04-30 2010-06-02 阿得罗公司 (-)-e-10-oh-nt组合物及其合成与使用的方法
EP2069320A2 (en) * 2007-05-31 2009-06-17 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
WO2009056993A2 (en) * 2007-11-01 2009-05-07 Teva Pharmaceutical Industries Ltd. A 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)

* Cited by examiner, † Cited by third party
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
US5039802A (en) * 1990-04-18 1991-08-13 Merck & Co., Inc. Arylation process for preparation of chiral catalysts for ketone reduction
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
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

Also Published As

Publication number Publication date
DK0640089T3 (da) 1997-06-16
MY111251A (en) 1999-10-30
IL105623A0 (en) 1993-09-22
EP0640089A1 (en) 1995-03-01
JPH07503734A (ja) 1995-04-20
ES2096275T3 (es) 1997-03-01
FI932174A (fi) 1993-11-15
GR3022171T3 (en) 1997-03-31
NO300500B1 (no) 1997-06-09
ZA933340B (en) 1994-11-14
KR950701637A (ko) 1995-04-28
AU3593193A (en) 1993-12-13
CA2134096A1 (en) 1993-11-25
IL105623A (en) 1998-02-22
JP2525127B2 (ja) 1996-08-14
KR0149208B1 (ko) 1998-10-15
EP0640089B1 (en) 1996-12-27
NO944297L (no) 1994-11-11
DE69306945D1 (de) 1997-02-06
CA2134096C (en) 1997-11-25
HUT65136A (en) 1994-04-28
AU659929B2 (en) 1995-06-01
FI107259B (fi) 2001-06-29
FI932174A0 (fi) 1993-05-13
US5552548A (en) 1996-09-03
ATE146790T1 (de) 1997-01-15
MX9302785A (es) 1994-02-28
HU215089B (hu) 1998-09-28
NO944297D0 (no) 1994-11-11
HU9301395D0 (en) 1993-09-28
WO1993023408A1 (en) 1993-11-25
DE69306945T2 (de) 1997-05-07
NZ249302A (en) 1996-11-26

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