CS209508B2 - Method of making the methylheptenone or/and methylheptenolone by the circle cleavage of the 2,6,6-trimethyl-5,6-dihydro-4h-pyran - Google Patents

Method of making the methylheptenone or/and methylheptenolone by the circle cleavage of the 2,6,6-trimethyl-5,6-dihydro-4h-pyran Download PDF

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Publication number
CS209508B2
CS209508B2 CS788244A CS824478A CS209508B2 CS 209508 B2 CS209508 B2 CS 209508B2 CS 788244 A CS788244 A CS 788244A CS 824478 A CS824478 A CS 824478A CS 209508 B2 CS209508 B2 CS 209508B2
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CS
Czechoslovakia
Prior art keywords
pyran
methylheptenone
water
dihydro
trimethyl
Prior art date
Application number
CS788244A
Other languages
Czech (cs)
English (en)
Inventor
Vincenzo Redaelli
Simone Renato De
Edoardo Platone
Original Assignee
Anic Spa
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.)
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Publication date
Application filed by Anic Spa filed Critical Anic Spa
Publication of CS209508B2 publication Critical patent/CS209508B2/cs

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    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
    • C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
    • C07C45/60—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in six-membered rings

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CS788244A 1978-01-03 1978-12-12 Method of making the methylheptenone or/and methylheptenolone by the circle cleavage of the 2,6,6-trimethyl-5,6-dihydro-4h-pyran CS209508B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19008/78A IT1092952B (it) 1978-01-03 1978-01-03 Metodo per l'apertura di anelli piranici

Publications (1)

Publication Number Publication Date
CS209508B2 true CS209508B2 (en) 1981-12-31

Family

ID=11153804

Family Applications (1)

Application Number Title Priority Date Filing Date
CS788244A CS209508B2 (en) 1978-01-03 1978-12-12 Method of making the methylheptenone or/and methylheptenolone by the circle cleavage of the 2,6,6-trimethyl-5,6-dihydro-4h-pyran

Country Status (15)

Country Link
US (1) US4226810A (no)
JP (1) JPS5495506A (no)
BE (1) BE872723A (no)
CA (1) CA1102350A (no)
CS (1) CS209508B2 (no)
DE (1) DE2852587C3 (no)
DK (1) DK528878A (no)
ES (1) ES476841A1 (no)
FR (1) FR2413350A1 (no)
GB (1) GB2013176B (no)
IT (1) IT1092952B (no)
NL (1) NL7811919A (no)
NO (1) NO147832C (no)
SE (1) SE7900024L (no)
ZA (1) ZA7923B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898988A (en) * 1989-03-13 1990-02-06 W. R. Grace & Co.-Conn. Process for the preparation of β-hydroxyketones
CN110845312A (zh) * 2019-11-27 2020-02-28 万华化学集团股份有限公司 一种制备甲基庚烯酮的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255258A (en) * 1966-06-07 Isomerization of alkylene oxides
US3009959A (en) * 1961-11-21 Figure i
US2624764A (en) * 1949-12-27 1953-01-06 Monsanto Chemicals Preparation of keto aldehydes
US3597484A (en) * 1967-03-06 1971-08-03 Basf Ag Production of olefinically unsaturated oxo compounds
US3686321A (en) * 1971-01-18 1972-08-22 Basf Ag Production of 2-methylhept-1-en-6-one
US3864403A (en) * 1973-08-10 1975-02-04 Hoffmann La Roche Preparation of 6-methyl-5-hepten-2-one

Also Published As

Publication number Publication date
GB2013176A (en) 1979-08-08
SE7900024L (sv) 1979-07-04
DE2852587C3 (de) 1981-10-29
FR2413350B1 (no) 1983-08-26
GB2013176B (en) 1982-10-06
IT7819008A0 (it) 1978-01-03
US4226810A (en) 1980-10-07
CA1102350A (en) 1981-06-02
DE2852587A1 (de) 1979-07-05
NO783994L (no) 1979-07-04
FR2413350A1 (fr) 1979-07-27
DE2852587B2 (de) 1980-12-18
NL7811919A (nl) 1979-07-05
BE872723A (fr) 1979-06-13
ES476841A1 (es) 1979-06-16
ZA7923B (en) 1980-01-30
NO147832C (no) 1983-06-29
IT1092952B (it) 1985-07-12
DK528878A (da) 1979-07-04
NO147832B (no) 1983-03-14
JPS5495506A (en) 1979-07-28

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