GR14869B - METHOD OF PREPARATION OF A THEIAPYRANE UNION. - Google Patents

METHOD OF PREPARATION OF A THEIAPYRANE UNION.

Info

Publication number
GR14869B
GR14869B GR530114869A GR530114869A GR14869B GR 14869 B GR14869 B GR 14869B GR 530114869 A GR530114869 A GR 530114869A GR 530114869 A GR530114869 A GR 530114869A GR 14869 B GR14869 B GR 14869B
Authority
GR
Greece
Prior art keywords
preparation
theiapyrane
union
thiapyrone
tetrahydro
Prior art date
Application number
GR530114869A
Other languages
Greek (el)
Original Assignee
F. Hoffmann - La Roche & Co A.G.
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 & Co A.G. filed Critical F. Hoffmann - La Roche & Co A.G.
Priority to GR530114869A priority Critical patent/GR14869B/en
Publication of GR14869B publication Critical patent/GR14869B/en

Links

Landscapes

  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

έθοδος δια την παρασκευήν μιας νέας ενώσεως θειαπυράνης, διακρινομένη εκ τούτου, ότι εν ακετυλίδιοντων μετάλλων των αλκαλίων φέρομεν εις αντίδρασιν με τετραϋδρο-1,4-θειαπυρόνην και υποβάλλομεν εις υδρόλυσιν το σχηματισθέν σύμπλοκον μετάλλου προς σηματισμόν της 4-αιθινυλοτετραϋδροθειαπυρανο-4-όλης. A process for the preparation of a novel thiapyran compound, therefore distinguished by the fact that in alkali metal acetyl ions it is reacted with tetrahydro-1,4-thiapyrone and hydrolyzed to form the 4-membered metal-ether.

GR530114869A 1953-03-23 1953-03-23 METHOD OF PREPARATION OF A THEIAPYRANE UNION. GR14869B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GR530114869A GR14869B (en) 1953-03-23 1953-03-23 METHOD OF PREPARATION OF A THEIAPYRANE UNION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR530114869A GR14869B (en) 1953-03-23 1953-03-23 METHOD OF PREPARATION OF A THEIAPYRANE UNION.

Publications (1)

Publication Number Publication Date
GR14869B true GR14869B (en) 1953-12-05

Family

ID=36837097

Family Applications (1)

Application Number Title Priority Date Filing Date
GR530114869A GR14869B (en) 1953-03-23 1953-03-23 METHOD OF PREPARATION OF A THEIAPYRANE UNION.

Country Status (1)

Country Link
GR (1) GR14869B (en)

Similar Documents

Publication Publication Date Title
FR944617A (en) Process for preparing pyrazolones
GR14869B (en) METHOD OF PREPARATION OF A THEIAPYRANE UNION.
ES175196A1 (en) A PROCEDURE FOR PRODUCING A RESINOUS MATERIAL
CH259716A (en) Process for preparing 1,2-dimethyl-4- (d-ribitylamino) -benzene.
GR33482B (en) METHOD FOR THE PREPARATION OF PANTOTHENYL ESTERS.
CH249744A (en) Process for the preparation of para-aminobenzenesulfamido-2-methyl-4-pyrimidine.
CH261216A (en) Process for preparing 2-metanilamido-5-chloropyrimidine.
GR14510B (en) METHOD OF MANUFACTURING SALTS OF DICHLORACETOXY - AMINOPROPANOLS.
SU72306A1 (en) Method of making molded gypsum products
GR18531B (en) METHOD FOR THE PRODUCTION OF N - ACYLAMIDODIOLS.
FR1118776A (en) Process for preparing dihalosilanes
GR13166B (en) METHOD FOR THE PREPARATION OF THE TRIPLE - P - AMINOSALCYLIC COMPOUND OF DIHYDROSTREPTOMYCINE.
GR14511B (en) METHOD OF MANUFACTURING SALTS OF DICHLORACETOXY - AMINOPROPANOLS.
CH269653A (en) Process for the preparation of a novel araliphatic aminoether.
GR12317B (en) METHOD FOR THE MANUFACTURE OF BUTYRIC ACID PRODUCERS.
GR13176B (en) METHOD FOR THE MANUFACTURE OF N-ACYLINED PRODUCERS OF NITRO - PHENYLAMINE - PROPANODIOL.
GR14157B (en) IMPROVEMENTS IN OR IN RELATION TO THE MANUFACTURE OF A SUBSTITUTED AMIDOPROPANODIOL.
FR1108177A (en) Process for the production of beta-naphthol
GR17853B (en) METHOD FOR PREPARATION 1 - METHYL - 17 - ETHYLOESTRADIOL.
Slonimsky Russian prelude: for piano solo, op. 1
GR16174B (en) METHOD OF PREPARATION OF A NEW ESTHER COMPOUND.
ES209588A1 (en) A procedure for the preparation of a tiapiran compound (Machine-translation by Google Translate, not legally binding)
FR903138A (en) Slag formation process
FR1093811A (en) Preparation of melamine-formaldehyde syrups
FR933719A (en) Fuel preparation process