ES252068A1 - Process for preparing an +-halogeno- +-lactam - Google Patents

Process for preparing an +-halogeno- +-lactam

Info

Publication number
ES252068A1
ES252068A1 ES0252068A ES252068A ES252068A1 ES 252068 A1 ES252068 A1 ES 252068A1 ES 0252068 A ES0252068 A ES 0252068A ES 252068 A ES252068 A ES 252068A ES 252068 A1 ES252068 A1 ES 252068A1
Authority
ES
Spain
Prior art keywords
chloro
halogeno
lactam
preparing
carbochloride
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
ES0252068A
Other languages
Spanish (es)
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of ES252068A1 publication Critical patent/ES252068A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrogenated Pyridines (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

a - Chloro - or a - bromo - d - valerolactam, -e -caprolactam or -#z-oenantholactam is prepared by reacting 2-chloro-azacyclo-2,3-hexene-N-carbochloride, 2-chloro-azacyclo-2,3-heptene-N-carbochloride or 2 - chloro - azacyclo - 2,3-octene-N-carbochloride with hypochlorous or hypobromous acid or a salt thereof in the presence of water. Specifications 901,169 and 902,390 are referred to.
ES0252068A 1958-09-25 1959-09-16 Process for preparing an +-halogeno- +-lactam Expired ES252068A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL231677 1958-09-25

Publications (1)

Publication Number Publication Date
ES252068A1 true ES252068A1 (en) 1960-04-01

Family

ID=19751359

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0252068A Expired ES252068A1 (en) 1958-09-25 1959-09-16 Process for preparing an +-halogeno- +-lactam

Country Status (4)

Country Link
BE (1) BE582943A (en)
CH (1) CH375719A (en)
ES (1) ES252068A1 (en)
GB (1) GB902389A (en)

Also Published As

Publication number Publication date
BE582943A (en) 1960-03-23
CH375719A (en) 1964-03-15
GB902389A (en) 1962-08-01

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