RO82967B - Procedeu de obtinere a anhidridei izobutirice - Google Patents

Procedeu de obtinere a anhidridei izobutirice

Info

Publication number
RO82967B
RO82967B RO105584A RO10558481A RO82967B RO 82967 B RO82967 B RO 82967B RO 105584 A RO105584 A RO 105584A RO 10558481 A RO10558481 A RO 10558481A RO 82967 B RO82967 B RO 82967B
Authority
RO
Romania
Prior art keywords
fluoride
isobutyroyl
anhydride
acceptor
acid anhydride
Prior art date
Application number
RO105584A
Other languages
English (en)
Other versions
RO82967A (ro
Inventor
V. Richard Norton
R. Lee Zehner
F. Ralph Pascoe
E. John Corn
Dace Grote
Original Assignee
Ashland Oil Inc
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 Ashland Oil Inc filed Critical Ashland Oil Inc
Priority to RO105584A priority Critical patent/RO82967B/ro
Publication of RO82967A publication Critical patent/RO82967A/ro
Publication of RO82967B publication Critical patent/RO82967B/ro

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Inventia se refera la un procedeu pentru prepararea anhidridei acidului izobutiric, conform caruia propena este carbonilata într-un exces de acid fluorhidric cu formarea fluorurii de izobutiril, apoi amestecul de reactie de la carbonilare este fractionat, fluorura de izobutiroil formata este hidrolizata partial la o temperatura de la 0 la 100 degree C, în prezenta unui acceptor de acid care este o florura de metal alcalin si utilizînd 0,05 la 0,5 mol de apa la molde florura de izobutirol, apoi separînd fluorura de izobutiroil prin distilare fractionata si recirculînd-o în etapa de hidroliza si rezultînd o fractiune de produs, anhidrida a acidului fluorhidric-acceptor separat din amestecul de hidroliza si încalzit pentru a rezulta acid fluorhidric, care este recirculat si regenerînd acceptorul.
RO105584A 1981-10-17 1981-10-17 Procedeu de obtinere a anhidridei izobutirice RO82967B (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO105584A RO82967B (ro) 1981-10-17 1981-10-17 Procedeu de obtinere a anhidridei izobutirice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO105584A RO82967B (ro) 1981-10-17 1981-10-17 Procedeu de obtinere a anhidridei izobutirice

Publications (2)

Publication Number Publication Date
RO82967A RO82967A (ro) 1984-01-14
RO82967B true RO82967B (ro) 1984-01-30

Family

ID=20110559

Family Applications (1)

Application Number Title Priority Date Filing Date
RO105584A RO82967B (ro) 1981-10-17 1981-10-17 Procedeu de obtinere a anhidridei izobutirice

Country Status (1)

Country Link
RO (1) RO82967B (ro)

Also Published As

Publication number Publication date
RO82967A (ro) 1984-01-14

Similar Documents

Publication Publication Date Title
EP0087870B1 (en) Process for the production of acetic anhydride and acetic acid
JPS6210217B2 (ro)
ES482621A1 (es) Procedimiento mejorado para la preparacion de acido terefta-lico.
US3458561A (en) Esterification of acrylic acid
KR850000300B1 (ko) 프탈산 에스테르류의 제조방법
ATE94531T1 (de) Verfahren zur kontinuierlichen herstellung von leichten acrylaten.
GB1499284A (en) Continuous production of 2-ethyl-hexyl acrylate free from dioctylether
BR8207194A (pt) Processo para a remocao de acetona de misturas reacionais,obtidas na reacao de acetato de metila e/ou eter dimetilico com monoxido de carbono e eventualmente hidrogenio,a temperaturas elevadas,formando anidrido de acido acetico e eventualmente diacetato de etilideno
GB1351033A (en) Preparation of esters
US4360406A (en) Process for the preparation of tertiary butyl alcohol
RO82967B (ro) Procedeu de obtinere a anhidridei izobutirice
JPH0511101B2 (ro)
US2858334A (en) Preparation of phthalic acids
US2068415A (en) Purification of alcohols
US4234718A (en) Process for preparing cellulose acetate
US2174830A (en) Process for producing unsaturated carbonylic compounds
US3527790A (en) Continuous process for the production of esters of isopropanol
US5536873A (en) Preparation of pentenoic acid
US2007642A (en) Process for the manufacture of carboxylic acid anhydrides
JPS6330892B2 (ro)
JPH10114705A (ja) シクロペンチルホルメートの製造方法及びシクロペンタノールの製造方法
EP0010455B1 (en) Cracking process for preparing styrene
GB2012787A (en) Process for obtaining dimethyl hydrogen chlorosilane
US3609182A (en) Production of cyclooctyl formate cyclooctanol and cyclooctanone
KR830007490A (ko) 무수이소부티르산(Isobutyric acid anhydride) 생산공정