DE734568C - Process for the preparation of conversion products of diols - Google Patents

Process for the preparation of conversion products of diols

Info

Publication number
DE734568C
DE734568C DEI68397D DEI0068397D DE734568C DE 734568 C DE734568 C DE 734568C DE I68397 D DEI68397 D DE I68397D DE I0068397 D DEI0068397 D DE I0068397D DE 734568 C DE734568 C DE 734568C
Authority
DE
Germany
Prior art keywords
diols
conversion products
preparation
compounds
replaced
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
DEI68397D
Other languages
German (de)
Inventor
Dr Walter Reppe
Dr Hugo Kroeper
Dr Erich Joost
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI68397D priority Critical patent/DE734568C/en
Application granted granted Critical
Publication of DE734568C publication Critical patent/DE734568C/en
Expired legal-status Critical Current

Links

Description

Verfahren zur Herstellung von Umwandlungsprodukten von Diolen GCgenstatld des patcllts G9,) 945 ist die IIrrstclluil, von Unl\\'alldlinlgsprodukten von Diolen, wol)ci man \-c2"1)lllcltltl"cil der allgc- InciIlC11 ForIilcl - Iin-CI-1.,-R-C`.H,-OH, \coriii I', die Rcatc - C IL, -- C.' I3., - oder -- (J1= C'.1'1--- 1)CcICtltet.,,l)ei Clhciht@l'1e111pC- i-atttr der T:in\t-irl.un' von Hydricrungskata- I?*s:ttoren"a.tissct7t. Durch clas Patcllt 70,1 e,,, \t»il'cl dieses Verfahren dahin abrie:iildert. d@tl5 oral) \-crl)iiidutigcii der gleichen Fornicl. in clt#Iicn jedoch R ein alihhatischer Kohleii- wasserstofrest mit inindcstciis ,@ I@obtcnstnll- ati)Illell ist, (licser Einwirkung uiitertvirft. I-s -wurde nute clcfuiidcti, daB Sich das Ver- fahren des Patciits 699 9+5 und des Patents ;o4 237 auch auf Diolc anlt-ciidcn läßt. die der oben atigegcl)ciieii Formel entsprechen, in denen jedoch eine der beiden C:H=O11- Gruppen durch cilie sckundärc Alkoholgruppe ersetzt ist. (ieci#ynete :@ti":iii"sstoffe dieser Art sind insl)esoildcrc die Diole, in dellen i \\-asser- stofatolll einer C'1-1_QI-I-Ciruppc durch eineu Akylrcst sitbstittiit#i-t ist, z. 1i. I'elitand:ol-I, .1 wicl IIcx:uidiol-t, 4. auch diese Diole gehen bei der Dch@-cli-icriin" vornehmlich iii Laktonc über. Die Iiatal\'satnrcil wld die Umsetzun-s- bedi11-i1ii-C11 sind --rundsätzlich die. -Ieichcn wie lmi den Verfahren der Patente 699 9.15 und 1-04 23,-. Die nach dem vorliegenden Verfahrcli er- hältlichen Verbindungen eignen sich beispiels- \\-c#isc als Aus-angsstofc für die Hcrstelfii;- vcm 1-iisungs- und \@'eichmachungsmittcli%-= Beispiel i Man läßt I'etitandiol-i, 4. über einen auf ISO bis 250' erhitzten. mit Chrom aktivierten Kupferkatalysator riz:5Cln, der durch Reduk- tion eines mit Chrom aktivierten Kupfer- livdrox-,-ds oder Kupfercarbonats mit Wasser- stoff bei =oo' ziergestellt worden ist. Das er- haltcnc Erzeugnis besteht zu etwa ; oo'o aus ;,-\@alcrolakton. Das "lciche Ergebnis erzielt man. wenn null @lie @th@tlrici`ui@g in An\N-CSCnhC:t von Wasserstoff durchführt. Beispiel z ;o ('#eti-ichtstcilc I-Iexandiol-I, 4. erhitzt man mit 4. C,c«,ichtstcilcii des im Beisl)'-*cl t bc- schriehencn Is'atalysator's auf i 8o- unter Rück- fußkühlunn. Dabei i@Zrd " Wasscrtof cnt- iiic-hc@t. Durch I)cstillatiün des (:msctzLn1ns- emi sches rrhält man in 6o- bis ; or) oiäer Ausbeute --Ca prolakton Kpi,= Ioa . Process for the preparation of conversion products of diols GCgenstatld des patcllts G9,) 945 is the IIrrstclluil, from Unl \\ 'alldlinlgsprodukten from Diolen, wol) ci man \ - c2 "1) lllcltltl" cil the general InciIlC11 ForIilcl - Iin-CI-1., - RC`.H, -OH, \ coriii I ', the Rcatc - C IL, - C.' I3., - or - ( J1 = C'.1'1 --- 1) CcICtltet. ,, l) ei Clhciht @ l'1e111pC- i-atttr the T: in \ t-irl.un 'from Hydricrungskata- I? * S: ttoren "a.tissct7t. By clas Patcllt 70.1 e ,,, \ t »il'cl this procedure then: iildert. d @ tl5 oral) \ -crl) iiideigcii of the same fornicl. in clt # Iicn, however, R is an aliphatic carbon hydrogen residue with inindcstciis, @ I @ obtcnstnll- ati) Illell is, (licser action uiitertvirft. Is - it was nute clcfuiidcti that the driving the Patciits 699 9 + 5 and the patent ; o4 237 can also be applied to diolc. the correspond to the above atigegcl) ciieii formula, in which, however, one of the two C: H = O11- Groups by cilie sckundärc alcohol group is replaced. (ieci # ynete: @ti ": iii" are substances of this type insl) esoildcrc the diols, in dents i \\ - ater- stofatolll a C'1-1_QI-I-Ciruppc through a u Akylrcst sitbstittiit # it is, e.g. 1i. I'elitand: ol-I, .1 wicl IIcx: uidiol-t, 4. these diols also go in the case of Dch @ -cli-icriin "primarily iii Laktonc above. The Iiatal \ 'satnrcil wld the implementation bedi11-i1ii-C11 are - basically the. -Immediate like lmi the procedure of the patents 699 9.15 and 1-04 23, -. According to the present procedure permanent connections are suitable for example \\ - c # isc as starting material for the Hcrstelfii; - vcm 1-iisungs- and \ @ 'verification means% - = Example i One leaves I'etitanediol-i, 4th on one ISO heated to 250 '. activated with chromium Copper catalyst riz: 5Cln, which is produced by reducing tion of a chromium- activated copper livdrox -, - ds or copper carbonate with water fabric at = oo 'has been decorated. The Haltcnc product consists of about; oo'o off ;, - \ @ alcrolakton. You will get the same result if null @lie @ th @ tlrici`ui @ g in An \ N-CSCnhC: t of Carries out hydrogen. Example ; o ('# eti-ichtstcilc I-Iexandiol-I, 4. one heated with 4. C, c «, ichtstcilcii des im Beisl) '- * cl t bc- screeched Is'catalyst's on 18o under back foot cool Thereby i @ Zrd "Wasscrtof cnt- iiic-hc @ t. By I) cstillatiün des (: msctzLn1ns- emi cal rr is found in 6o- bis; or) oieans Yield - Ca prolactone K pi, = Ioa.

Claims (1)

PATE'NTANSPRUCFI: .- -erfahren zur Ifcrstcllung von Um- wandlungsproduktcn von Diolen in Ab- änderung des Verfahrens nach Patent 699 c)45 und nach Patent 704 = 17- da- durch gekennzeichnet. daß inan hier statt Vcrbindungcn der Formel IIO-CH,-R-CH:,-OH, worin R die Reste -CH.,-CH.,- oder -- C H - C I1 - oder einen aliphatischcn .Rest mit ,, Kohlcnstotiatomcii bedeutet, solche Verbindungen der angegebenen For- mel hei erhöhter Temperatur der Ein- von 1-h-dricrunl;skutalvsatorcu aussetzt. in denen (:ine der beiden CII=011-Gruppen durch eine -sckundirc Alkoholgruppe ersetzt ist.
PATE'NTANSPRUCFI: .- -experienced in creating envi- conversion products of diols in change of procedure according to patent 699 c) 45 and according to patent 704 = 17- da- marked by. that inan takes place here Compounds of the formula IIO-CH, -R-CH:, - OH, wherein R is the radicals -CH., - CH., - or - CH - C I1 - or an aliphatic .Rest with ,, Kohlcnstotiatomcii means, such compounds of the specified form with the increased temperature of the from 1-h-dricrunl; skutalvsatorcu suspends. in which (: in e of the two CII = 011 groups by a -sckundirc Alcohol group is replaced.
DEI68397D 1940-12-07 1940-12-07 Process for the preparation of conversion products of diols Expired DE734568C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI68397D DE734568C (en) 1940-12-07 1940-12-07 Process for the preparation of conversion products of diols

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI68397D DE734568C (en) 1940-12-07 1940-12-07 Process for the preparation of conversion products of diols

Publications (1)

Publication Number Publication Date
DE734568C true DE734568C (en) 1943-04-20

Family

ID=7196874

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI68397D Expired DE734568C (en) 1940-12-07 1940-12-07 Process for the preparation of conversion products of diols

Country Status (1)

Country Link
DE (1) DE734568C (en)

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