AT170884B - Process for the preparation of new 2,3-dihydropyran-2,4-dione - Google Patents

Process for the preparation of new 2,3-dihydropyran-2,4-dione

Info

Publication number
AT170884B
AT170884B AT170884DA AT170884B AT 170884 B AT170884 B AT 170884B AT 170884D A AT170884D A AT 170884DA AT 170884 B AT170884 B AT 170884B
Authority
AT
Austria
Prior art keywords
dihydropyran
dione
preparation
new
Prior art date
Application number
Other languages
German (de)
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of AT170884B publication Critical patent/AT170884B/en

Links

AT170884D 1950-02-09 1951-01-24 Process for the preparation of new 2,3-dihydropyran-2,4-dione AT170884B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH170884X 1950-02-09

Publications (1)

Publication Number Publication Date
AT170884B true AT170884B (en) 1952-04-10

Family

ID=4422655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT170884D AT170884B (en) 1950-02-09 1951-01-24 Process for the preparation of new 2,3-dihydropyran-2,4-dione

Country Status (1)

Country Link
AT (1) AT170884B (en)

Similar Documents

Publication Publication Date Title
CH323511A (en) Process for the preparation of new substituted 2,2'-dioxy-5,5'-dimethyl-diphenylmethanes
AT171418B (en) Process for the preparation of new, quanternary 3-oxyphenylammonium compounds
AT179022B (en) Process for the preparation of new oxazoline derivatives
CH293015A (en) Process for the preparation of 1-phenyl-1-pyridyl- (2 ') -3-N-pyrrolidino-propane-p-amino-salicylate.
AT174907B (en) Process for the preparation of new 2,3-dihydropyran-2,4-dione
AT177416B (en) Process for the preparation of new chlorinated diketochromanes
AT174057B (en) Process for the preparation of 3,4-methylenedioxy-1-β-aminopropylbenzene
CH281752A (en) Process for the preparation of 1,4-diketo-5-methyl-1,4,5,8,9,10-hexahydro-naphthalene.
CH266997A (en) Process for the preparation of 3,4-dimethyl-5-phenyl-2-imino-thiazolidine.
AT173445B (en) Process for the preparation of new haloacetamidodiol compounds
AT190937B (en) Process for the preparation of new 1-azabicycloalkanol derivatives
AT174903B (en) Process for the preparation of the new 1,2,3,4-tetrahydrofluorenone
AT174605B (en) Process for the preparation of new substituted o-oxyacetophenone derivatives
AT170029B (en) Process for the preparation of new 4,7-phenanthrolines
CH319573A (en) Process for the preparation of 2,4,6-trinitro-chlorobenzene
AT177526B (en) Process for the preparation of 17,20-oxy-ketones of the Pregnan series
AT171711B (en) Process for the preparation of new O-phenyl derivatives of oxybenzalthiosemicarbazones
CH274521A (en) Process for the preparation of 2-phenyl-3,4,5,6-tetrahydrobenzoic acid.
AT172051B (en) Process for the preparation of new derivatives of Benzalacetonthiosemicarbazone
CH295053A (en) Process for the preparation of 2-amino-3-bromoanthraquinone.
AT185002B (en) Process for the preparation of new o-oxy-o'-carboxy-azo dyes
CH289199A (en) Process for the preparation of p-acetamino-cinnamaldehyde thiosemicarbazone.
AT171712B (en) Process for the preparation of 5,5-dimethyl-3-alkyl-oxazolidine-2,4-diones
AT170864B (en) Process for the preparation of new Methylbenzhydryl-β-morpholinoäthyläthern
AT171708B (en) Process for the preparation of new m-alkoxy-phenyl-isothiocyanates