LV12073B - Diizopinokamfenilhlorborāna iegūšanas paņēmiens - Google Patents

Diizopinokamfenilhlorborāna iegūšanas paņēmiens Download PDF

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Publication number
LV12073B
LV12073B LVP-98-52A LV980052A LV12073B LV 12073 B LV12073 B LV 12073B LV 980052 A LV980052 A LV 980052A LV 12073 B LV12073 B LV 12073B
Authority
LV
Latvia
Prior art keywords
reaction
compound
formula
hours
pinene
Prior art date
Application number
LVP-98-52A
Other languages
English (en)
Other versions
LV12073A (lv
Inventor
Pamela M. Simpson
David M. Tschaen
Thomas R. Verhoeven
Original Assignee
Merck & Co., Inc.
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 Merck & Co., Inc. filed Critical Merck & Co., Inc.
Publication of LV12073A publication Critical patent/LV12073A/lv
Publication of LV12073B publication Critical patent/LV12073B/lv

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32Oxygen atoms
    • C07D307/33Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02Boron compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02Boron compounds
    • C07F5/027Organoboranes and organoborohydrides

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Claims (5)

1 1*11 LV 12073 Izgudrojuma formula 1. Paņēmiens diizopinokamfenilhlorborāna iegūšanai, kas ietver: (a) (1 R)-(+)-a-pinēna apstrādi ētera tipa savienojuma šķīdumā ar borāna metilsulfīdu, iegūstot diizopinokamfenilborānu ar formulu (1)
B-H 2 i (b) posmā (a) iegūtā produkta apstrādi ar skābes hlorīdu, veidojot | diizopinokamfenilhlorborānu ar formulu (2)
B-Ci kas atšķiras ar to, ka posma (a) produktu ievada posmā (b) bez izdalīšanas vai attīrīšanas.
2. Paņēmiens pēc 1. punkta, kas atšķiras ar to, ka pinēna optiskā tīrība ir aptuveni 91 - 95% vēlamā enantiomēra.
3. Paņēmiens pēc 2. punkta, kas atšķiras ar to, ka procesu veic pie temperatūras no -25 °C līdz +25 °C kamēr tas ir praktiski beidzies.
4. Paņēmiens pēc 3. punkta, kas atšķiras ar to, ka ētera tipa savienojums ir tetrahidrofurāns. ι χιι·ιι 2
5. Paņēmiens prohirāia ketona reducēšanai par augstas optiskās tīrības optiski aktīvu spirtu, kas paredz prohirālā ketona apstrādi ar reducējošu diizopinokamfenilhlorborāna kompozīciju, kas iegūta saskaņā ar 1. punktā aprakstīto paņēnienu, pie temperatūras no -25 °C līdz istabas temperatūrai un parastā spiediena kamēr reakcija ir beigusies, proti no 7 stundām līdz 24 dienām.
LVP-98-52A 1990-09-24 1998-03-13 Diizopinokamfenilhlorborāna iegūšanas paņēmiens LV12073B (lv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58693390A 1990-09-24 1990-09-24

Publications (2)

Publication Number Publication Date
LV12073A LV12073A (lv) 1998-06-20
LV12073B true LV12073B (lv) 1998-09-20

Family

ID=24347681

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-98-52A LV12073B (lv) 1990-09-24 1998-03-13 Diizopinokamfenilhlorborāna iegūšanas paņēmiens

Country Status (6)

Country Link
US (1) US5292946A (lv)
EP (1) EP0478062B1 (lv)
JP (2) JP2546559B2 (lv)
CA (1) CA2050820A1 (lv)
DE (1) DE69125675T2 (lv)
LV (1) LV12073B (lv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5545758A (en) * 1994-08-11 1996-08-13 Merck & Co., Inc. Process for the preparation of diisopinocampheylchloroborane
BR0211204A (pt) * 2001-07-17 2004-07-13 Upjohn Co Processo e intermediários para preparar latanoprost
US20060223999A1 (en) * 2006-05-10 2006-10-05 Chemagis Ltd. Process for preparing montelukast and precursors thereof
WO2014019166A1 (zh) * 2012-08-01 2014-02-06 上海威智医药科技有限公司 高活性硼烷类化合物的工业化生产方法
US9169183B1 (en) 2014-10-27 2015-10-27 Cpc Corporation, Taiwan Method for coproducing isobutene and ETBE from tert-Butanol mixture
CN113024588A (zh) * 2021-03-22 2021-06-25 成都诺和晟泰生物科技有限公司 一种手性N-Boc-吡咯烷-3-硼酸类化合物的制备方法

Also Published As

Publication number Publication date
LV12073A (lv) 1998-06-20
US5292946A (en) 1994-03-08
CA2050820A1 (en) 1992-03-25
JP2546559B2 (ja) 1996-10-23
JPH0841074A (ja) 1996-02-13
EP0478062A1 (en) 1992-04-01
DE69125675T2 (de) 1997-11-20
JP2667135B2 (ja) 1997-10-27
JPH06345777A (ja) 1994-12-20
DE69125675D1 (de) 1997-05-22
EP0478062B1 (en) 1997-04-16

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