GB1368417A - Process for nitrating organic substances ''''''''''''''''''''''''''''' - Google Patents

Process for nitrating organic substances '''''''''''''''''''''''''''''

Info

Publication number
GB1368417A
GB1368417A GB2485973A GB2485973A GB1368417A GB 1368417 A GB1368417 A GB 1368417A GB 2485973 A GB2485973 A GB 2485973A GB 2485973 A GB2485973 A GB 2485973A GB 1368417 A GB1368417 A GB 1368417A
Authority
GB
United Kingdom
Prior art keywords
nitration
roller
organic substances
nitrated
diol
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
GB2485973A
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.)
Roche Diagnostics GmbH
Original Assignee
Boehringer Mannheim GmbH
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 Boehringer Mannheim GmbH filed Critical Boehringer Mannheim GmbH
Publication of GB1368417A publication Critical patent/GB1368417A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B43/00—Formation or introduction of functional groups containing nitrogen
    • C07B43/02—Formation or introduction of functional groups containing nitrogen of nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

1368417 Nitration process BOERINGER MANNHEIM GmbH 24 May 1973 [30 May 1972] 24859/73 Heading C2C [Also in Division B1] A process for the continuous nitration of organic substances comprises applying the substance to be nitrated and a nitration liquid in a layer with a thickness of 0À2 to 1À5 mm. to the cooled surface of a rotating roller, allowing them to react thereon and, by movement of the cooled surface, removing the reaction product. As shown in Fig. 1, the nitration liquid and the substance to be nitrated are passed through inlets (3) and (4) on to a roller (1) which is cooled by means of a cooling liquid passed through axis (6). The reactants are transported by rotation of the roller into the gap (9) between the roller and trough (2). Any solid particles possibly present are comminuted in the gap (9) and the reacted solution leaves through overflow (5). Figs. 2 and 3 show other embodiments with two counter rollers (1) and (1<SP>1</SP>) arranged in tandem or above each other. The process is illustrated by the nitration of 1-phenyl-2- formamido - propane - 1,3 - diol with nitric acid to give 1-(4-nitrophenyl)-2-formamidopropane-1,3-diol.
GB2485973A 1972-05-30 1973-05-24 Process for nitrating organic substances ''''''''''''''''''''''''''''' Expired GB1368417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2226236A DE2226236A1 (en) 1972-05-30 1972-05-30 DEVICE AND METHOD FOR CONTINUOUS NITRATION

Publications (1)

Publication Number Publication Date
GB1368417A true GB1368417A (en) 1974-09-25

Family

ID=5846296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2485973A Expired GB1368417A (en) 1972-05-30 1973-05-24 Process for nitrating organic substances '''''''''''''''''''''''''''''

Country Status (6)

Country Link
JP (1) JPS4948602A (en)
DE (1) DE2226236A1 (en)
FR (1) FR2186451B3 (en)
GB (1) GB1368417A (en)
IT (1) IT987927B (en)
ZA (1) ZA733485B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843898A1 (en) * 1978-10-07 1980-04-24 Basf Ag METHOD FOR PRODUCING NITROACETANILIDES

Also Published As

Publication number Publication date
ZA733485B (en) 1974-05-29
FR2186451B3 (en) 1976-05-21
IT987927B (en) 1975-03-20
DE2226236A1 (en) 1973-12-13
FR2186451A1 (en) 1974-01-11
JPS4948602A (en) 1974-05-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees