GB1042198A - Improvements in or relating to the preparation of unsaturated diols - Google Patents

Improvements in or relating to the preparation of unsaturated diols

Info

Publication number
GB1042198A
GB1042198A GB40174/63A GB4017463A GB1042198A GB 1042198 A GB1042198 A GB 1042198A GB 40174/63 A GB40174/63 A GB 40174/63A GB 4017463 A GB4017463 A GB 4017463A GB 1042198 A GB1042198 A GB 1042198A
Authority
GB
United Kingdom
Prior art keywords
epoxy
methylpentene
hexanol
relating
preparation
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
GB40174/63A
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Priority to GB40174/63A priority Critical patent/GB1042198A/en
Priority to CH1217464A priority patent/CH448993A/en
Priority to FR990044A priority patent/FR1410125A/en
Priority to BE654198D priority patent/BE654198A/xx
Publication of GB1042198A publication Critical patent/GB1042198A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/56—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by isomerisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Epoxy Compounds (AREA)

Abstract

Unsaturated diols are made by passing an epoxy alcohol, especially of the general formula <FORM:1042198/C2/1> where the R's may be the same or different and may be H, alkyl, cycloalkyl, aryl, alkaryl or aralkyl and n = 0 or an integer over a lithium phosphate comprising catalyst at elevated temperature, especially 200 DEG to 300 DEG C., prefeably using an inert carrier gas. Especially suitable as starting material is 3,4-epoxy-4-methylpentanol-2, which yields 3,4-dihydroxy-2-methylpentene-1. The starting materials may be prepared by either peracetic acid epoxidation of an unsaturated monohydric alcohol or oxidation of the olefin, e.g. 4-methylpentene-2, or hexene-2 in the presence of vanadium naphthenate at 60-70 DEG C. to give mixtures of 4-methyl-3,4- and 2,3-epoxypentanol-2 and 2,3-expoxy-hexanol-4 and 3,4-epoxy-hexanol-2 respectively.
GB40174/63A 1963-10-11 1963-10-11 Improvements in or relating to the preparation of unsaturated diols Expired GB1042198A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB40174/63A GB1042198A (en) 1963-10-11 1963-10-11 Improvements in or relating to the preparation of unsaturated diols
CH1217464A CH448993A (en) 1963-10-11 1964-09-18 Process for the preparation of olefinically unsaturated diols
FR990044A FR1410125A (en) 1963-10-11 1964-10-01 Process for the production of ethylenically unsaturated diols and products obtained
BE654198D BE654198A (en) 1963-10-11 1964-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40174/63A GB1042198A (en) 1963-10-11 1963-10-11 Improvements in or relating to the preparation of unsaturated diols

Publications (1)

Publication Number Publication Date
GB1042198A true GB1042198A (en) 1966-09-14

Family

ID=10413567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40174/63A Expired GB1042198A (en) 1963-10-11 1963-10-11 Improvements in or relating to the preparation of unsaturated diols

Country Status (3)

Country Link
BE (1) BE654198A (en)
CH (1) CH448993A (en)
GB (1) GB1042198A (en)

Also Published As

Publication number Publication date
BE654198A (en) 1965-04-09
CH448993A (en) 1967-12-31

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