GB2172887B - Purification of dioxane - Google Patents

Purification of dioxane

Info

Publication number
GB2172887B
GB2172887B GB08508238A GB8508238A GB2172887B GB 2172887 B GB2172887 B GB 2172887B GB 08508238 A GB08508238 A GB 08508238A GB 8508238 A GB8508238 A GB 8508238A GB 2172887 B GB2172887 B GB 2172887B
Authority
GB
United Kingdom
Prior art keywords
dioxane
purification
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
GB08508238A
Other versions
GB8508238D0 (en
GB2172887A (en
Inventor
Riccardo Bonfichi
Camillo Motta
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.)
Pfizer Italia SRL
Original Assignee
Farmitalia Carlo Erba SRL
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 Farmitalia Carlo Erba SRL filed Critical Farmitalia Carlo Erba SRL
Priority to GB08508238A priority Critical patent/GB2172887B/en
Publication of GB8508238D0 publication Critical patent/GB8508238D0/en
Priority to IT19360/86A priority patent/IT1190610B/en
Publication of GB2172887A publication Critical patent/GB2172887A/en
Application granted granted Critical
Publication of GB2172887B publication Critical patent/GB2172887B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB08508238A 1985-03-29 1985-03-29 Purification of dioxane Expired GB2172887B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08508238A GB2172887B (en) 1985-03-29 1985-03-29 Purification of dioxane
IT19360/86A IT1190610B (en) 1985-03-29 1986-02-11 PURIFICATION OF DIOXANE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08508238A GB2172887B (en) 1985-03-29 1985-03-29 Purification of dioxane

Publications (3)

Publication Number Publication Date
GB8508238D0 GB8508238D0 (en) 1985-05-09
GB2172887A GB2172887A (en) 1986-10-01
GB2172887B true GB2172887B (en) 1988-06-15

Family

ID=10576887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08508238A Expired GB2172887B (en) 1985-03-29 1985-03-29 Purification of dioxane

Country Status (2)

Country Link
GB (1) GB2172887B (en)
IT (1) IT1190610B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4801358A (en) * 1988-07-28 1989-01-31 Lloyd Berg Separation of acetic acid from dioxane by extractive distillation
US4948469A (en) * 1988-12-05 1990-08-14 Lloyd Berg Separation of formic acid from dioxane by extractive distillation with amides
CN102040583A (en) * 2010-12-29 2011-05-04 天津市康科德科技有限公司 Method for preparing high-purity liquid-phase chromatographic grade 1,4-dioxane
CN104341384B (en) * 2014-09-25 2019-10-25 国药集团化学试剂有限公司 A kind of refining methd of 1,4- dioxane

Also Published As

Publication number Publication date
IT1190610B (en) 1988-02-16
IT8619360A1 (en) 1987-08-11
GB8508238D0 (en) 1985-05-09
IT8619360A0 (en) 1986-02-11
GB2172887A (en) 1986-10-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990329