BRPI0520048A2 - processo para a preparação de n-heneicosanona - Google Patents

processo para a preparação de n-heneicosanona

Info

Publication number
BRPI0520048A2
BRPI0520048A2 BRPI0520048-2A BRPI0520048A BRPI0520048A2 BR PI0520048 A2 BRPI0520048 A2 BR PI0520048A2 BR PI0520048 A BRPI0520048 A BR PI0520048A BR PI0520048 A2 BRPI0520048 A2 BR PI0520048A2
Authority
BR
Brazil
Prior art keywords
heneicosanone
preparation
heneicosane
heneicosanona
alkanedione
Prior art date
Application number
BRPI0520048-2A
Other languages
English (en)
Inventor
Kumaran Ganesan
Ramesh Chandra Malhotra
Ambati Narasimha Rao
Pradeep Kumar Gupta
Asheesh Kumar Jain
Shri Prakash
Krishnamurthy Sekhar
Original Assignee
Defence Res & Dev Organisation
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 Defence Res & Dev Organisation filed Critical Defence Res & Dev Organisation
Publication of BRPI0520048A2 publication Critical patent/BRPI0520048A2/pt
Publication of BRPI0520048B1 publication Critical patent/BRPI0520048B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C07C1/22Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by reduction
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PROCESSO PARA A PREPARAçãO DE N-HENEICOSANONA. A presente invenção se refere a um processo para a preparação de n-heneicosano. O processo compreende (a) reagir 2,4-alcanoanediona com 1-bromooctadecano em etanol absoluto usando 18-coroa-6 como o catalisador para produzir 2-heneicosanona; e (b) reduzir a referida 2-heneicosanona usando hidrato de hidrazina e hidróxido de potássio em etileno glicol para se obter n-heneicosano.
BRPI0520048-2B1A 2005-02-25 2005-06-23 Processo para a preparação de n-heneicosanona BRPI0520048B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN418/DEL/2005 2005-02-25
IN418DE2005 2005-02-25
PCT/IN2005/000213 WO2006090411A1 (en) 2005-02-25 2005-06-23 A process for the preparation of n-heneicosane

Publications (2)

Publication Number Publication Date
BRPI0520048A2 true BRPI0520048A2 (pt) 2009-12-01
BRPI0520048B1 BRPI0520048B1 (pt) 2014-09-02

Family

ID=35311490

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0520048-2B1A BRPI0520048B1 (pt) 2005-02-25 2005-06-23 Processo para a preparação de n-heneicosanona

Country Status (5)

Country Link
US (1) US7615672B2 (pt)
EP (1) EP1858832B1 (pt)
JP (1) JP5049795B2 (pt)
BR (1) BRPI0520048B1 (pt)
WO (1) WO2006090411A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10771413B1 (en) * 2015-09-11 2020-09-08 Wells Fargo Bank, N.A. System and method for customizing electronic messages

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070410A (en) 1976-08-16 1978-01-24 Matishev Vladimir Alexandrovic Method of isolating individual normal alkanes from petroleum stock
IT1155402B (it) * 1982-10-11 1987-01-28 Consiglio Nazionale Ricerche Alchilazione di composti ch-acidi in condizioni di catalisi di trasferimento di fase gas-liquido
US6225506B1 (en) * 1999-12-13 2001-05-01 Boulder Scientific Company Synthesis of alkene-2-ones

Also Published As

Publication number Publication date
JP2008531549A (ja) 2008-08-14
JP5049795B2 (ja) 2012-10-17
BRPI0520048B1 (pt) 2014-09-02
EP1858832A1 (en) 2007-11-28
US7615672B2 (en) 2009-11-10
WO2006090411A1 (en) 2006-08-31
EP1858832B1 (en) 2012-05-02
US20080293992A1 (en) 2008-11-27

Similar Documents

Publication Publication Date Title
BRPI0816911A8 (pt) Processo para preparação de 4-aminobut-2-enolidas
ATE370956T1 (de) Metallorganisches gerüstmaterial, herstellung und verwendung
BRPI0615705A2 (pt) processo para preparar um composto, e, composto
DOP2006000048A (es) Production of ferronickel (producción de ferroniquel)
BRPI0700118A (pt) processo para a desidratação de etanol
MX338138B (es) Agentes espumantes que contienen olefinas insaturada sustituidas co fluor.
BRPI0518188A (pt) modificador de espuma, espumas preparadas a partir deste modificador de espuma, e processo para a preparação dessas espumas
BRPI0518758A2 (pt) compostos de acetamida como fungicidas
AR062504A1 (es) Procedimientos para preparar acidos d,l-2hidroxi-4-alquiltiobutiricos
DK1735385T3 (da) Höjlysægte blæk til digitalt tekstiltryk
HN2010001060A (es) 5-[(3,3,3-trifluoro-2-hidroxi-1-arilpropil)amino]-1h-quinolin-2-onas, un proceso para su produccion y su uso como agentes antiinflamatorios.
AR068952A1 (es) Procedimiento para la preparacion de medetomidina
TW200740769A (en) Novel process
BR112015014967A2 (pt) processo integrado para a produção de metanol e acetato de metila
MX2009002258A (es) Procedimiento para producir 1-(3,4-diclorobencil)-5-octilbiguanida o una sal de la misma.
BRPI0913178A2 (pt) Método para produzir um hidrolisado de caseína, hidrolisado de caseína, e, uso de hidrolisado de caseína
TW200801206A (en) Porous crystalline saccharides, their preparation and uses
MX2009006479A (es) Derivados de hemicelulosa y estructuras que los emplean.
ITMI20051700A1 (it) Procedimento per la produzione di dimetiletere e la co-produzione di h20
BRPI0520048A2 (pt) processo para a preparação de n-heneicosanona
BRPI0819872A2 (pt) método para produção de álcool, método para produção de hidrogênio ou gás de síntese usando o método para produção de álcool, e álcool.
ZA201006792B (en) Process for the synthesis of ethynylcylopropane
TW200706181A (en) Method for preparing an aqueous solution of doripenem
BRPI0814554A2 (pt) Processo para a produção de éter 1,2,2,2-tetrafluoretil difluormetílico (desflurano)
TW200635914A (en) Process for preparing substituted thiophenesulfonyl isocyanates

Legal Events

Date Code Title Description
B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: SOLICITA-SE A REGULARIZACAO DA PROCURACAO, UMA VEZ QUE BASEADO NO ARTIGO 216 1O DA LPI, O DOCUMENTO DE PROCURACAO DEVE SER APRESENTADO EM SUA FORMA AUTENTICADA; OU SEGUNDO PARECER DA PROCURADORIA NO 074/93, DEVE CONSTAR UMA DECLARACAO DE VERACIDADE, A QUAL DEVE SER ASSINADA POR UMA PESSOA DEVIDAMENTE AUTORIZADA A REPRESENTAR O INTERESSADO, DEVENDO A MESMA CONSTAR NO INSTRUMENTO DE PROCURACAO, OU NO SEU SUBSTABELECIMENTO.

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/06/2005, OBSERVADAS AS CONDICOES LEGAIS.