AT39289B - Process for the preparation of durable double compounds of aldehydes with reduction products of sulphurous acid. - Google Patents

Process for the preparation of durable double compounds of aldehydes with reduction products of sulphurous acid.

Info

Publication number
AT39289B
AT39289B AT39289DA AT39289B AT 39289 B AT39289 B AT 39289B AT 39289D A AT39289D A AT 39289DA AT 39289 B AT39289 B AT 39289B
Authority
AT
Austria
Prior art keywords
aldehydes
preparation
sulphurous acid
reduction products
double compounds
Prior art date
Application number
Other languages
German (de)
Original Assignee
R Englert & Dr F Becker Fa
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
Priority claimed from DE1905202825D external-priority patent/DE202825C/de
Application filed by R Englert & Dr F Becker Fa filed Critical R Englert & Dr F Becker Fa
Application granted granted Critical
Publication of AT39289B publication Critical patent/AT39289B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

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 Alkohol von 75 Prozent oder   50 1   Wasser, welchem Alkohol bis zur Lösung des   Benzul-   dehyds zugefügt wird, werden 120 kg schweflige Säure eingeleitet. Das im Alkohol schwerlösliche Benzaldehydzinkhydrosulfit wird abfiltriert, wiederholt mit Alkohol gewaschen und   getrocknet. kas   ist löslich in Wasser.



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 EMI2.1
 Alcohol of 75 percent or 50 liters of water, to which alcohol is added until the benzene- dehyde is dissolved, 120 kg of sulphurous acid are introduced. The benzaldehyde zinc hydrosulfite, which is sparingly soluble in alcohol, is filtered off, washed repeatedly with alcohol and dried. kas is soluble in water.

Claims (1)

PATENT-ANSPRUCH : Ahänderung dns durch Patent Nr. 37921 geschützten Verfahrens zur Darstellung EMI2.2 PATENT CLAIM: Modification of the method for representation protected by patent no. 37921 EMI2.2
AT39289D 1905-01-16 1908-10-24 Process for the preparation of durable double compounds of aldehydes with reduction products of sulphurous acid. AT39289B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1905202825D DE202825C (en) 1905-01-16

Publications (1)

Publication Number Publication Date
AT39289B true AT39289B (en) 1909-10-11

Family

ID=5773429

Family Applications (1)

Application Number Title Priority Date Filing Date
AT39289D AT39289B (en) 1905-01-16 1908-10-24 Process for the preparation of durable double compounds of aldehydes with reduction products of sulphurous acid.

Country Status (1)

Country Link
AT (1) AT39289B (en)

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