WO2008149380A3 - A process for solvent-less synthesis of benzoxazine (bz) - Google Patents

A process for solvent-less synthesis of benzoxazine (bz) Download PDF

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Publication number
WO2008149380A3
WO2008149380A3 PCT/IN2008/000349 IN2008000349W WO2008149380A3 WO 2008149380 A3 WO2008149380 A3 WO 2008149380A3 IN 2008000349 W IN2008000349 W IN 2008000349W WO 2008149380 A3 WO2008149380 A3 WO 2008149380A3
Authority
WO
WIPO (PCT)
Prior art keywords
benzoxazine
solvent
less synthesis
synthesis
less
Prior art date
Application number
PCT/IN2008/000349
Other languages
French (fr)
Other versions
WO2008149380A2 (en
Inventor
Jayashree Bijwe
P. V. Gurunath
Original Assignee
Indian Institute Of Technology
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 Indian Institute Of Technology filed Critical Indian Institute Of Technology
Publication of WO2008149380A2 publication Critical patent/WO2008149380A2/en
Publication of WO2008149380A3 publication Critical patent/WO2008149380A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
    • C07D265/34—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
    • C07D265/36—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings condensed with one six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

This invention relates to a process for solvent less synthesis of benzoxazine which comprises in taking a phenol in molar combination with primary amine and aldehyde so as to form a ring of oxazine, heating said reactants to a temperature above the boiling point of water.
PCT/IN2008/000349 2007-06-05 2008-06-03 A process for solvent-less synthesis of benzoxazine (bz) WO2008149380A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1206DE2007 2007-06-05
IN1206/DEL/07 2007-06-05

Publications (2)

Publication Number Publication Date
WO2008149380A2 WO2008149380A2 (en) 2008-12-11
WO2008149380A3 true WO2008149380A3 (en) 2010-02-18

Family

ID=40094288

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000349 WO2008149380A2 (en) 2007-06-05 2008-06-03 A process for solvent-less synthesis of benzoxazine (bz)

Country Status (1)

Country Link
WO (1) WO2008149380A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009196946A (en) * 2008-02-22 2009-09-03 Sekisui Chem Co Ltd Method for producing benzoxazine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543516A (en) * 1994-05-18 1996-08-06 Edison Polymer Innovation Corporation Process for preparation of benzoxazine compounds in solventless systems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543516A (en) * 1994-05-18 1996-08-06 Edison Polymer Innovation Corporation Process for preparation of benzoxazine compounds in solventless systems

Also Published As

Publication number Publication date
WO2008149380A2 (en) 2008-12-11

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