WO2012150280A3 - Preparation of 4,4-dialkoxy-1-buten-1-ylarenes - Google Patents

Preparation of 4,4-dialkoxy-1-buten-1-ylarenes Download PDF

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Publication number
WO2012150280A3
WO2012150280A3 PCT/EP2012/058070 EP2012058070W WO2012150280A3 WO 2012150280 A3 WO2012150280 A3 WO 2012150280A3 EP 2012058070 W EP2012058070 W EP 2012058070W WO 2012150280 A3 WO2012150280 A3 WO 2012150280A3
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WO
WIPO (PCT)
Prior art keywords
buten
preparation
ylarenes
dialkoxy
als
Prior art date
Application number
PCT/EP2012/058070
Other languages
French (fr)
Other versions
WO2012150280A2 (en
Inventor
Florencio Zaragoza Doerwald
Verena HEINZE
Original Assignee
Lonza Ltd
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 Lonza Ltd filed Critical Lonza Ltd
Publication of WO2012150280A2 publication Critical patent/WO2012150280A2/en
Publication of WO2012150280A3 publication Critical patent/WO2012150280A3/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/27—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups
    • C07C205/34—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups bound to carbon atoms of six-membered aromatic rings and etherified hydroxy groups bound to acyclic carbon atoms of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/20—Diazonium compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups
    • C07C41/50—Preparation of compounds having groups by reactions producing groups
    • C07C41/56—Preparation of compounds having groups by reactions producing groups by condensation of aldehydes, paraformaldehyde, or ketones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/30—Compounds having groups
    • C07C43/303—Compounds having groups having acetal carbon atoms bound to acyclic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/30—Compounds having groups
    • C07C43/313—Compounds having groups containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/24—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring

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

Abstract

The invention discloses a method for the preparation of 4,4-dialkoxy-1-buten-1-ylarenes from crotonaldehyde and aryldiazonium salts, n-buten-1-als and n-butan-1-als derived thereof, their use as fragrances, use of this method in and intermediates for the preparation of antineoplastic antifolates or folate anitmetabolitesor Pemetrexed.
PCT/EP2012/058070 2011-05-05 2012-05-03 Preparation of 4,4-dialkoxy-1-buten-1-ylarenes WO2012150280A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201161482839P 2011-05-05 2011-05-05
EP11003685 2011-05-05
US61/482,839 2011-05-05
EP11003685.2 2011-05-05
EP11186633 2011-10-26
EP11186633.1 2011-10-26

Publications (2)

Publication Number Publication Date
WO2012150280A2 WO2012150280A2 (en) 2012-11-08
WO2012150280A3 true WO2012150280A3 (en) 2013-01-10

Family

ID=47108085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/058070 WO2012150280A2 (en) 2011-05-05 2012-05-03 Preparation of 4,4-dialkoxy-1-buten-1-ylarenes

Country Status (2)

Country Link
TW (1) TW201307276A (en)
WO (1) WO2012150280A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105111214B (en) * 2015-08-31 2017-10-31 江西农业大学 A kind of preparation method of pemetrexed disodium
CN105601493A (en) * 2015-12-23 2016-05-25 江苏师范大学 Preparation method and application of alkannin analogue based on anthraquinone structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502553A (en) * 1975-02-13 1976-08-17 Ruhrchemie Ag Hydroformylated tert. butyl- and isopropyl allyl benzenes - useful aromatizing cpds
WO1999016742A1 (en) * 1997-09-26 1999-04-08 Eli Lilly And Company Processes and intermediates useful to make antifolates
CN101085775A (en) * 2007-07-06 2007-12-12 吴洪流 Pemetrexed intermediate and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502553A (en) * 1975-02-13 1976-08-17 Ruhrchemie Ag Hydroformylated tert. butyl- and isopropyl allyl benzenes - useful aromatizing cpds
WO1999016742A1 (en) * 1997-09-26 1999-04-08 Eli Lilly And Company Processes and intermediates useful to make antifolates
CN101085775A (en) * 2007-07-06 2007-12-12 吴洪流 Pemetrexed intermediate and preparation method thereof

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* Cited by examiner, † Cited by third party
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WO2012150280A2 (en) 2012-11-08

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