BE502245A - - Google Patents
Info
- Publication number
- BE502245A BE502245A BE502245DA BE502245A BE 502245 A BE502245 A BE 502245A BE 502245D A BE502245D A BE 502245DA BE 502245 A BE502245 A BE 502245A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- reaction
- acetal
- process according
- diol
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 46
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 36
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical group C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- 239000010941 cobalt Substances 0.000 claims description 15
- 229910017052 cobalt Inorganic materials 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- 150000001299 aldehydes Chemical class 0.000 claims description 14
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 claims description 13
- 238000004821 distillation Methods 0.000 claims description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
- 150000002009 diols Chemical class 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 150000007824 aliphatic compounds Chemical class 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 150000005840 aryl radicals Chemical class 0.000 claims description 4
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000003254 radicals Chemical class 0.000 claims description 3
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims 2
- 150000001241 acetals Chemical class 0.000 description 30
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 27
- 239000000047 product Substances 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- -1 diethyl acetals Chemical class 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- 239000003054 catalyst Substances 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- MCIPQLOKVXSHTD-UHFFFAOYSA-N 3,3-diethoxyprop-1-ene Chemical compound CCOC(C=C)OCC MCIPQLOKVXSHTD-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- PCSMJKASWLYICJ-UHFFFAOYSA-N Succinic aldehyde Chemical compound O=CCCC=O PCSMJKASWLYICJ-UHFFFAOYSA-N 0.000 description 6
- MQIKJSYMMJWAMP-UHFFFAOYSA-N dicobalt octacarbonyl Chemical group [Co+2].[Co+2].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-].[O+]#[C-] MQIKJSYMMJWAMP-UHFFFAOYSA-N 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical class O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003172 aldehyde group Chemical group 0.000 description 3
- XPCJYQUUKUVAMI-UHFFFAOYSA-N cyclohex-2-ene-1-carbaldehyde Chemical compound O=CC1CCCC=C1 XPCJYQUUKUVAMI-UHFFFAOYSA-N 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 235000018102 proteins Nutrition 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- MBLXROIYHWIVRL-UHFFFAOYSA-N 3-methylideneheptan-4-one Chemical compound CCCC(=O)C(=C)CC MBLXROIYHWIVRL-UHFFFAOYSA-N 0.000 description 2
- ZETHHMPKDUSZQQ-UHFFFAOYSA-N Betulafolienepentol Natural products C1C=C(C)CCC(C(C)CCC=C(C)C)C2C(OC)OC(OC)C2=C1 ZETHHMPKDUSZQQ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 230000006315 carbonylation Effects 0.000 description 2
- 238000005810 carbonylation reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001869 cobalt compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- HEOKFDGOFROELJ-UHFFFAOYSA-N diacetal Natural products COc1ccc(C=C/c2cc(O)cc(OC3OC(COC(=O)c4cc(O)c(O)c(O)c4)C(O)C(O)C3O)c2)cc1O HEOKFDGOFROELJ-UHFFFAOYSA-N 0.000 description 2
- 235000019256 formaldehyde Nutrition 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- IVDFJHOHABJVEH-UHFFFAOYSA-N pinacol Chemical compound CC(C)(O)C(C)(C)O IVDFJHOHABJVEH-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- WJCCNRRUTSLHLJ-UHFFFAOYSA-N 2-ethenyl-1,4-dioxane Chemical compound C=CC1COCCO1 WJCCNRRUTSLHLJ-UHFFFAOYSA-N 0.000 description 1
- VHBVURHYXATORH-UHFFFAOYSA-N 2-ethenyl-4-methyl-1,3-dioxane Chemical compound CC1CCOC(C=C)O1 VHBVURHYXATORH-UHFFFAOYSA-N 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 102000006395 Globulins Human genes 0.000 description 1
- 108010044091 Globulins Proteins 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- DIWSMVWJOBILHY-UHFFFAOYSA-N cyclohexane-1,1-dicarbaldehyde Chemical compound O=CC1(C=O)CCCCC1 DIWSMVWJOBILHY-UHFFFAOYSA-N 0.000 description 1
- 150000001934 cyclohexanes Chemical class 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/12—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
-
- 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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- 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
- C07C45/59—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 five-membered rings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1039669X | 1950-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE502245A true BE502245A (enrdf_load_stackoverflow) |
Family
ID=10869740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE502245D BE502245A (enrdf_load_stackoverflow) | 1950-03-31 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE502245A (enrdf_load_stackoverflow) |
FR (1) | FR1039669A (enrdf_load_stackoverflow) |
NL (1) | NL78737C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2739972A (en) * | 1951-03-30 | 1956-03-27 | Distillers Co Yeast Ltd | Condensation products of dialdehydes with 1,2-alkylene oxides |
-
0
- BE BE502245D patent/BE502245A/fr unknown
- NL NL78737D patent/NL78737C/xx active
-
1951
- 1951-03-28 FR FR1039669D patent/FR1039669A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2739972A (en) * | 1951-03-30 | 1956-03-27 | Distillers Co Yeast Ltd | Condensation products of dialdehydes with 1,2-alkylene oxides |
Also Published As
Publication number | Publication date |
---|---|
NL78737C (enrdf_load_stackoverflow) | |
FR1039669A (fr) | 1953-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004041764A1 (de) | Kontinuierliches verfahren zur herstellung von pseudojononen und jononen | |
FR2489307A1 (fr) | Procede de fabrication d'ethylene glycol | |
BE502245A (enrdf_load_stackoverflow) | ||
EP0345579B1 (de) | Verfahren zur Herstellung von oligomerem 2,2,4-Trimethyl-1,2-dihydrochinolin | |
CH642373A5 (fr) | Compose pyrannique, procede pour sa preparation et son utilisation a titre d'intermediaire de synthese. | |
EP0403945A2 (fr) | Carbinols cycloaliphatiques et leur utilisation à titre de produits de départ pour la préparation de dérivés furanniques | |
JPS5935904B2 (ja) | 新規な化合物の製造方法 | |
US3251876A (en) | Process for air-oxidation of beta-acyloxyaldehydes to beta-acyloxy-carboxylic acids | |
EP0012390B1 (fr) | Procédé pour la préparation de la muscone et composés pyranniques intermédiaires | |
EP0326959B1 (en) | Perfume base composition comprising 2-cyclohexylpropanal and process for the preparation of this compound | |
CH627462A5 (en) | Spiran compounds, their use as fragrance and flavouring ingredients and process for preparing them | |
JPS585171B2 (ja) | フホウワアルコ−ルノセイゾウホウ | |
DE940824C (de) | Verfahren zur Herstellung von Dialdehyden und deren Derivaten | |
DE2308735C2 (de) | 5-Phenyl-3-methylpentansäurenitrile, Verfahren zu deren Herstellung und diese enthaltende Parfümkomposition | |
US4081482A (en) | Manufacture of 2,6,6-trimethyl-cyclohex-2-en-1-one | |
EP0579991B1 (fr) | Procédé pour la préparation d'une cétone bicyclique décalinique | |
US3125600A (en) | figures i | |
FR2555162A1 (fr) | Procede de preparation de derives ethyleniques chlores | |
DE3129194C2 (de) | "Verfahren zur Herstellung von aromatischen Aldehyden" | |
SK3512001A3 (en) | Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon | |
CH409906A (fr) | Procédé de préparation des acétals du y-cyano-butyraldéhyde | |
FR2459791A1 (fr) | Procede de fabrication de composes carbonyles insatures | |
CH645334A5 (fr) | Procede de preparation du dimethyl-2,3 pentene-4 al. | |
DE2249398A1 (de) | Verfahren zur herstellung hoehermolekularer alpha, beta-ungesaettigter aldehyde | |
CH681226A5 (en) | Prepn. of unsymmetrical alkyl-pyrazine(s) - by thermal cyclisation of new oximino-aza:diene(s) |