ES325859A1 - Procedure for solving alpha-hydroxy-beta, beta-dimethylamma-butirolactone recembles in its optical antipodes. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for solving alpha-hydroxy-beta, beta-dimethylamma-butirolactone recembles in its optical antipodes. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES325859A1
ES325859A1 ES0325859A ES325859A ES325859A1 ES 325859 A1 ES325859 A1 ES 325859A1 ES 0325859 A ES0325859 A ES 0325859A ES 325859 A ES325859 A ES 325859A ES 325859 A1 ES325859 A1 ES 325859A1
Authority
ES
Spain
Prior art keywords
beta
translation
hydroxy
machine
legally binding
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES0325859A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES325859A1 publication Critical patent/ES325859A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic 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
    • C07D307/30—Heterocyclic 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
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/26—Phenanthrenes; Hydrogenated phenanthrenes

Abstract

Process for resolving racemic alpha-hydroxy-beta, beta-dimethyl-gamma-butyrolactone in its optical antipodes, characterized by using as a resolving agent a derivative of 1,4a-dimethyl-7-isopropyl-octahydro-, dodecahydro- or perhydrophenanthrene, which is substituted in position 1 with an amino group or an aminomethyl group. (Machine-translation by Google Translate, not legally binding)
ES0325859A 1965-04-23 1966-04-22 Procedure for solving alpha-hydroxy-beta, beta-dimethylamma-butirolactone recembles in its optical antipodes. (Machine-translation by Google Translate, not legally binding) Expired ES325859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH570365A CH468997A (en) 1965-04-23 1965-04-23 Process for the resolution of a racemic mixture into the optical antipodes

Publications (1)

Publication Number Publication Date
ES325859A1 true ES325859A1 (en) 1967-07-01

Family

ID=4297967

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0325859A Expired ES325859A1 (en) 1965-04-23 1966-04-22 Procedure for solving alpha-hydroxy-beta, beta-dimethylamma-butirolactone recembles in its optical antipodes. (Machine-translation by Google Translate, not legally binding)

Country Status (9)

Country Link
BE (1) BE679805A (en)
BR (1) BR6678826D0 (en)
CH (1) CH468997A (en)
DE (1) DE1568755A1 (en)
DK (1) DK116726B (en)
ES (1) ES325859A1 (en)
GB (1) GB1083076A (en)
NL (1) NL153540B (en)
YU (1) YU77366A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809179A1 (en) * 1978-03-03 1979-09-13 Basf Ag METHOD OF EXTRACTION OF PANTOLACTONE FROM ITS AQUATIC SOLUTIONS
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone
CN111499602B (en) * 2020-05-14 2022-06-07 安徽泰格生物科技有限公司 Method for extracting D-pantolactone from DL-pantolactone split liquid by calcium salt method
CN112457181B (en) * 2020-12-11 2023-08-29 黄冈美丰化工科技有限公司 Synthesis method of D-calcium pantothenate

Also Published As

Publication number Publication date
DE1568755A1 (en) 1970-03-05
BE679805A (en) 1966-10-21
CH468997A (en) 1969-02-28
BR6678826D0 (en) 1973-09-18
YU77366A (en) 1978-02-28
GB1083076A (en) 1967-09-13
NL6605421A (en) 1966-10-24
DK116726B (en) 1970-02-09
NL153540B (en) 1977-06-15

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