BRPI0514601A - processo para n-halogenação de um composto que tem pelo menos um átomo de nitrogênio amida ou imida n-halogenatado na molécula; processo para a produção de uma mistura composta predominantemente de 1,3-dibromo-5,5-dimetilhidantoìna e n,n'-bromocloro-5,5-dimetilhidantoìna e uma composição destas substáncias - Google Patents

processo para n-halogenação de um composto que tem pelo menos um átomo de nitrogênio amida ou imida n-halogenatado na molécula; processo para a produção de uma mistura composta predominantemente de 1,3-dibromo-5,5-dimetilhidantoìna e n,n'-bromocloro-5,5-dimetilhidantoìna e uma composição destas substáncias

Info

Publication number
BRPI0514601A
BRPI0514601A BRPI0514601-1A BRPI0514601A BRPI0514601A BR PI0514601 A BRPI0514601 A BR PI0514601A BR PI0514601 A BRPI0514601 A BR PI0514601A BR PI0514601 A BRPI0514601 A BR PI0514601A
Authority
BR
Brazil
Prior art keywords
dimethylhydantoin
compound
dibromo
molecule
halogenation
Prior art date
Application number
BRPI0514601-1A
Other languages
English (en)
Inventor
Bruce C Peters
Edge E Spielman Jr
Dustin H Thomas
Original Assignee
Albemarle Corp
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 Albemarle Corp filed Critical Albemarle Corp
Publication of BRPI0514601A publication Critical patent/BRPI0514601A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin
    • C07D233/80—Two oxygen atoms, e.g. hydantoin with hetero atoms or acyl radicals directly attached to ring nitrogen atoms
    • C07D233/82—Halogen atoms

Landscapes

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

Abstract

PROCESSO PARA N-HALOGENAçãO DE UM COMPOSTO QUE TEM PELO MENOS UM áTOMO DE NITROGêNIO AMIDA OU IMIDA N-HALOGENATADO NA MOLéCULA; PROCESSO PARA A PRODUçãO DE UMA MISTURA COMPOSTA PREDOMINANTEMENTE DE 1,3-DIBROMO-5,5-DIMETILHIDANTOìNA E N,N'-BROMOCLORO-5,5-DIMETILHIDANTOìNA E UMA COMPOSIçãO DESTAS SUBSTáNCIAS O processo permite a N-halogenação altamente eficaz de um composto que tem um ou mais grupo funcional amida ou imida halogenatado na molécula, O processo envolve, por exemplo, simultaneamente aumentando dentro de um reator (1) água, uma base inorgânica e um composto N- halogenateado, por exemplo, uma hidantoína e uma alimentação de (ii) um agente de bromação e/ou de um agente de cloração. As proporções destas alimentações são, tais que, o pH fique mantido em 5 ou abaixo ou dentro de uma escala especificada, por exemplo, 5,5-8,5 e uma ou mais dos átomos de nitrogênio amida ou imida é substituído por um átomo de bromo ou um átomo de cloro. Uma característica do processo é que pode ser conduzida em temperaturas elevadas tão altas como entre 90 C sem decomposição térmica apreciável dos reagentes ou do produto. O produto resultante continuamente precipita em um rendimento e pureza elevados. Além disso, os produtos podem ser produzidos nos quais são em aparência muito mais amarelo muito pálido quase ao puro branco. Também, a processo foi encontrado capaz de produzir 1,3 dibromo-5,5-dimetilhidantoina com tamanhos de partícula maiores do que os anteriormente produzidos na base comercial.
BRPI0514601-1A 2004-08-16 2005-07-12 processo para n-halogenação de um composto que tem pelo menos um átomo de nitrogênio amida ou imida n-halogenatado na molécula; processo para a produção de uma mistura composta predominantemente de 1,3-dibromo-5,5-dimetilhidantoìna e n,n'-bromocloro-5,5-dimetilhidantoìna e uma composição destas substáncias BRPI0514601A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/919,097 US20050049420A1 (en) 2000-01-18 2004-08-16 Process for producing N-halogenated organic compounds
PCT/US2005/025080 WO2006023167A2 (en) 2004-08-16 2005-07-12 Process for producing n-halogenated organic compounds

Publications (1)

Publication Number Publication Date
BRPI0514601A true BRPI0514601A (pt) 2008-06-17

Family

ID=35695937

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514601-1A BRPI0514601A (pt) 2004-08-16 2005-07-12 processo para n-halogenação de um composto que tem pelo menos um átomo de nitrogênio amida ou imida n-halogenatado na molécula; processo para a produção de uma mistura composta predominantemente de 1,3-dibromo-5,5-dimetilhidantoìna e n,n'-bromocloro-5,5-dimetilhidantoìna e uma composição destas substáncias

Country Status (8)

Country Link
US (1) US20050049420A1 (pt)
EP (2) EP1778645A2 (pt)
JP (1) JP5752869B2 (pt)
KR (1) KR101297455B1 (pt)
CN (1) CN101084196B (pt)
BR (1) BRPI0514601A (pt)
IL (1) IL181355A (pt)
WO (1) WO2006023167A2 (pt)

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* Cited by examiner, † Cited by third party
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US7999118B2 (en) * 2000-01-18 2011-08-16 Albemarle Corporation Process for producing N-halogenated hydantoins
CN102285922B (zh) * 2011-08-22 2013-07-17 河北亚光精细化工有限公司 用作医药中间体合成的二氯海因的生产方法
EP3284716A1 (en) 2016-08-18 2018-02-21 Agfa Nv A process for making brominating agents in flow
CN109761321A (zh) * 2019-01-24 2019-05-17 南京天诗蓝盾生物科技有限公司 一种次氯酸钠新型增效剂的制备和运用
CN110305065B (zh) * 2019-07-26 2022-05-17 河北利仕化学科技有限公司 溴氯海因连续式生产设备及生产方法
CN115925513A (zh) * 2022-11-22 2023-04-07 任国辉 一种球形二烷氧基镁载体的制备方法和应用

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Also Published As

Publication number Publication date
CN101084196B (zh) 2012-07-18
WO2006023167A2 (en) 2006-03-02
KR101297455B1 (ko) 2013-08-16
IL181355A0 (en) 2007-07-04
IL181355A (en) 2016-07-31
EP1778645A2 (en) 2007-05-02
JP2008509997A (ja) 2008-04-03
CN101084196A (zh) 2007-12-05
EP2253624A3 (en) 2010-12-29
KR20070045262A (ko) 2007-05-02
EP2253624A2 (en) 2010-11-24
JP5752869B2 (ja) 2015-07-22
US20050049420A1 (en) 2005-03-03
WO2006023167A3 (en) 2006-04-13

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B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]