US965903A - Process of making tetramethylendiamin. - Google Patents

Process of making tetramethylendiamin. Download PDF

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Publication number
US965903A
US965903A US55493810A US1910554938A US965903A US 965903 A US965903 A US 965903A US 55493810 A US55493810 A US 55493810A US 1910554938 A US1910554938 A US 1910554938A US 965903 A US965903 A US 965903A
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US
United States
Prior art keywords
making
tetramethylendiamin
parts
carl
new
Prior art date
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Expired - Lifetime
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US55493810A
Inventor
Fritz Hofmann
Carl Coutelle
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Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and Co
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Application filed by Farbenfabriken Vorm Friedr Bayer and Co filed Critical Farbenfabriken Vorm Friedr Bayer and Co
Priority to US55493810A priority Critical patent/US965903A/en
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
    • C07C209/50—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of carboxylic acid amides

Definitions

  • BAYER 1K (30., OF ELBJEIEZFELID, lErEHMAl l'Y, A
  • the new process consists in treating the diamid of zulipic :iciol with solutions of halogens in caustic alkaline l yee.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)

Description

li i lllhli lllll llei Til ie FRITZ HOIEMANN AND CARL CUITTELJCE, 013 ELBERIFELD, GERMANY, ASSIGNDRS T0 PHUGEW'E fifih h fim i jpeeilieetion of Letters IlPetenc.
No Brewing.
BAYER 1K: (30., OF ELBJEIEZFELID, lErEHMAl l'Y, A
01? Il lIAliLING TIETEAMETHEZLENDIAMIN.
ieeiemeei lim -i e, eie;
, llpplieetion filed April 15!, 1910. Serial No. weeee.
' To all whom "it may concern:
Be it known that We, lliii'iz lloFiiliNN and CARL COU'IELLE? oloeters of philosophy, ohen'iisle, citizens of the German Empire, resiclii g zit Elberfeld, Kingdom of Prussia, Gei'i'z'len Empire, have invented new ind useful lm provemeiiis iii Processes of Making Tetramethylendizmiin, of which the following is e s eoifioailaion.
( ur inven cion relates to a, new ailcl Villll able process for procluoing tetrziniethylenclim 211111 l ll-l -fll-L-Cll -Cl-l @H lil-L which is :1 valuable il'ltei'nicdiz te compound for the production of phzii'maoeuticzil -em11- pounds,clyestufile, etc.
The new process consists in treating the diamid of zulipic :iciol with solutions of halogens in caustic alkaline l yee.
ln order to illusti'utcllw new process more fully the following example is given, the parts being by Weight z--14-2 parts of chlorin are introduced into a mixture of 1000 penile of caustic soda lye (33 per cent) with. 15400 eel; our hands in the presence of parts oi ice. Subsequently 144 parts of the diemici of :iclipio aeicl are slowly :iolcleolv The tfilllpel'lvlllllfi rises to 70-80 C. while the diaimid-enters into solution. Against the end of the reaction the mixture is heated on "the water bath for 4 to 6 hours and the loose M1 -cH -oH -oH -oi i -iiii lmlogeii in. caustic alkaline lyes, euhstiii- Liz lly as described.
In testimony whereofv We have hereunto two subscribing witnesses.
FRITZ HOFMANIFL [1,, EL] CARL CQUTELLE. [13. en]
Witnesses U'iio Home,
lime. J, WRIGHT.
US55493810A 1910-04-12 1910-04-12 Process of making tetramethylendiamin. Expired - Lifetime US965903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US55493810A US965903A (en) 1910-04-12 1910-04-12 Process of making tetramethylendiamin.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55493810A US965903A (en) 1910-04-12 1910-04-12 Process of making tetramethylendiamin.

Publications (1)

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US965903A true US965903A (en) 1910-08-02

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ID=3034300

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US55493810A Expired - Lifetime US965903A (en) 1910-04-12 1910-04-12 Process of making tetramethylendiamin.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198348A (en) * 1977-06-14 1980-04-15 Snia Viscosa Societa Nazionale Industria Applicazioni Viscosa S.P.A. Process for the preparation of amines
US5410082A (en) * 1993-05-11 1995-04-25 Pfirmann; Ralf Process for preparing amines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198348A (en) * 1977-06-14 1980-04-15 Snia Viscosa Societa Nazionale Industria Applicazioni Viscosa S.P.A. Process for the preparation of amines
US5410082A (en) * 1993-05-11 1995-04-25 Pfirmann; Ralf Process for preparing amines

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