RO79892B - Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului - Google Patents

Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului

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Publication number
RO79892B
RO79892B RO101655A RO10165580A RO79892B RO 79892 B RO79892 B RO 79892B RO 101655 A RO101655 A RO 101655A RO 10165580 A RO10165580 A RO 10165580A RO 79892 B RO79892 B RO 79892B
Authority
RO
Romania
Prior art keywords
formaldehyde
dimethyl
dioxan
preparing
aqueous phase
Prior art date
Application number
RO101655A
Other languages
English (en)
Other versions
RO79892A (ro
Inventor
Viktor Judkovich Gankin
Aron Leibovich Shapiro
Sergei Alexandrovich Polyakov
Alexandr Vasiloevich Sintsyn
Izrail Markovich Belgorodky
Eduard Avraamovich Tolchinsky
Anatoly Vasilievich Lyadov
Original Assignee
Viktor Judkovich Gankin
Aron Leibovich Shapiro
Sergei Alexandrovich Polyakov
Alexandr Vasiloevich Sintsyn
Belgorodky Izrailmarkovich
Eduard Avraamovich Tolchinsky
Anatoly Vasilievich Lyadov
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 Viktor Judkovich Gankin, Aron Leibovich Shapiro, Sergei Alexandrovich Polyakov, Alexandr Vasiloevich Sintsyn, Belgorodky Izrailmarkovich, Eduard Avraamovich Tolchinsky, Anatoly Vasilievich Lyadov filed Critical Viktor Judkovich Gankin
Priority to RO101655A priority Critical patent/RO79892B/ro
Publication of RO79892A publication Critical patent/RO79892A/ro
Publication of RO79892B publication Critical patent/RO79892B/ro

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Inventia se refera la un procedeu pentru prepararea 4,4-dimetil-1,3-dioxanului prin condensarea izobutilenei cu formaldehida în mediu apos, în prezenta de catalizator acid, separarea produselor de condenssare si evaporarea fazei apoase, amestecarea produsului de blaz obtinut cu o solutie apoasa de formaldehida si recircularea amestecului format în etapa de condensare anume se foloseste drept catalizator acid un acid carboxilic de preferinta acidul oxalic sau un amestec de acizi carboxilici în cantitate de 0,1...20% raportat la faza apoasa de formaldehida.
RO101655A 1980-07-10 1980-07-10 Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului RO79892B (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO101655A RO79892B (ro) 1980-07-10 1980-07-10 Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO101655A RO79892B (ro) 1980-07-10 1980-07-10 Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului

Publications (2)

Publication Number Publication Date
RO79892A RO79892A (ro) 1983-02-15
RO79892B true RO79892B (ro) 1983-02-28

Family

ID=20108769

Family Applications (1)

Application Number Title Priority Date Filing Date
RO101655A RO79892B (ro) 1980-07-10 1980-07-10 Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului

Country Status (1)

Country Link
RO (1) RO79892B (ro)

Also Published As

Publication number Publication date
RO79892A (ro) 1983-02-15

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