JPH0345049B2 - - Google Patents
Info
- Publication number
- JPH0345049B2 JPH0345049B2 JP57114124A JP11412482A JPH0345049B2 JP H0345049 B2 JPH0345049 B2 JP H0345049B2 JP 57114124 A JP57114124 A JP 57114124A JP 11412482 A JP11412482 A JP 11412482A JP H0345049 B2 JPH0345049 B2 JP H0345049B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- acid
- methyl
- methanol
- product
- 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 - Lifetime
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 53
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 29
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 23
- 229910052725 zinc Inorganic materials 0.000 claims description 19
- 239000011701 zinc Substances 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 7
- 229910000342 sodium bisulfate Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 239000000047 product Substances 0.000 description 38
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 17
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- 239000006227 byproduct Substances 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 11
- YYOLVILSZOVWLS-UHFFFAOYSA-N 1,1-dichloro-4-methylpenta-1,3-diene Chemical compound CC(C)=CC=C(Cl)Cl YYOLVILSZOVWLS-UHFFFAOYSA-N 0.000 description 9
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- 239000007858 starting material Substances 0.000 description 9
- -1 trichloroethoxycarbonyl group Chemical group 0.000 description 9
- CJSBUWDGPXGFGA-UHFFFAOYSA-N 4-methylpenta-1,3-diene Chemical compound CC(C)=CC=C CJSBUWDGPXGFGA-UHFFFAOYSA-N 0.000 description 6
- 229960000583 acetic acid Drugs 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000012074 organic phase Substances 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- CLLRCFUVSNRVEU-UHFFFAOYSA-N (1,1-dichloro-4-methylpent-3-en-2-yl) acetate Chemical compound CC(C)=CC(C(Cl)Cl)OC(C)=O CLLRCFUVSNRVEU-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZFIHZJPVRVOBFF-UHFFFAOYSA-N (1,1,1-trichloro-4-methylpent-4-en-2-yl) acetate Chemical compound CC(=C)CC(C(Cl)(Cl)Cl)OC(C)=O ZFIHZJPVRVOBFF-UHFFFAOYSA-N 0.000 description 3
- QMMOXUPEWRXHJS-HYXAFXHYSA-N (z)-pent-2-ene Chemical compound CC\C=C/C QMMOXUPEWRXHJS-HYXAFXHYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 230000010933 acylation Effects 0.000 description 3
- 238000005917 acylation reaction Methods 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- RYPKRALMXUUNKS-UHFFFAOYSA-N hex-2-ene Chemical compound CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000006239 protecting group Chemical group 0.000 description 3
- 238000006894 reductive elimination reaction Methods 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- YSLRNSJUAJXAPT-UHFFFAOYSA-N (1,1,1-trichloro-4-methylpent-3-en-2-yl) acetate Chemical compound CC(C)=CC(C(Cl)(Cl)Cl)OC(C)=O YSLRNSJUAJXAPT-UHFFFAOYSA-N 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 2
- QVUBZVXSODSSKU-UHFFFAOYSA-N 1,1-dichloro-4-methylpenta-1,4-diene Chemical compound CC(=C)CC=C(Cl)Cl QVUBZVXSODSSKU-UHFFFAOYSA-N 0.000 description 2
- 125000004797 2,2,2-trichloroethoxy group Chemical group ClC(CO*)(Cl)Cl 0.000 description 2
- 125000000453 2,2,2-trichloroethyl group Chemical group [H]C([H])(*)C(Cl)(Cl)Cl 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- KCPBRSOFTQKGLM-UHFFFAOYSA-N (1,1-dichloro-4-methylpent-4-en-2-yl) acetate Chemical compound CC(=C)CC(C(Cl)Cl)OC(C)=O KCPBRSOFTQKGLM-UHFFFAOYSA-N 0.000 description 1
- LGXVIGDEPROXKC-UHFFFAOYSA-N 1,1-dichloroethene Chemical group ClC(Cl)=C LGXVIGDEPROXKC-UHFFFAOYSA-N 0.000 description 1
- BOGRNZQRTNVZCZ-UHFFFAOYSA-N 1,2-dimethyl-butadiene Natural products CC=C(C)C=C BOGRNZQRTNVZCZ-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- PQOOXAVSUMDZHX-UHFFFAOYSA-N 2,2-dichloroethyl benzoate Chemical compound ClC(Cl)COC(=O)C1=CC=CC=C1 PQOOXAVSUMDZHX-UHFFFAOYSA-N 0.000 description 1
- JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical compound CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 description 1
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 229930186147 Cephalosporin Natural products 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- APPOKADJQUIAHP-UHFFFAOYSA-N hexa-2,4-diene Chemical compound CC=CC=CC APPOKADJQUIAHP-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/361—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
- C07C17/363—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms by elimination of carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU811945A HU183505B (en) | 1981-07-03 | 1981-07-03 | Process for cleaving 1-substituted 2,2,2-trihalogenoethyl-esters |
| HU1945/81 | 1981-07-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5810530A JPS5810530A (ja) | 1983-01-21 |
| JPH0345049B2 true JPH0345049B2 (en]) | 1991-07-09 |
Family
ID=10956951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57114124A Granted JPS5810530A (ja) | 1981-07-03 | 1982-07-02 | 不飽和ｇｅｍ−ジハロゲン化合物の製造方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4450309A (en]) |
| JP (1) | JPS5810530A (en]) |
| DD (1) | DD204240A5 (en]) |
| DE (1) | DE3224162A1 (en]) |
| FR (1) | FR2508900B1 (en]) |
| GB (1) | GB2101997B (en]) |
| HU (1) | HU183505B (en]) |
| SU (1) | SU1205756A3 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3423762A1 (de) * | 1984-06-28 | 1986-01-09 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von chlorolefinen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480671A (en) * | 1975-04-17 | 1977-07-20 | Ici Ltd | Process for the preparation of 1,1-dihalo-4-methyl pentadienes |
| IT1078770B (it) * | 1976-01-21 | 1985-05-08 | Cheminova As | Procedimento per produrre (vinil-2,2-bisostituito)gamma-butirro-lattoni e prodotti ottenuti |
| CA1146977A (en) * | 1979-03-27 | 1983-05-24 | Petrus A. Kramer | Process for the preparation of dihalovinyl compounds |
-
1981
- 1981-07-03 HU HU811945A patent/HU183505B/hu not_active IP Right Cessation
-
1982
- 1982-06-24 US US06/391,866 patent/US4450309A/en not_active Expired - Lifetime
- 1982-06-29 DE DE19823224162 patent/DE3224162A1/de not_active Ceased
- 1982-07-01 FR FR8211578A patent/FR2508900B1/fr not_active Expired
- 1982-07-02 DD DD82241368A patent/DD204240A5/de unknown
- 1982-07-02 JP JP57114124A patent/JPS5810530A/ja active Granted
- 1982-07-02 SU SU823462148A patent/SU1205756A3/ru active
- 1982-07-02 GB GB08219270A patent/GB2101997B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| HU183505B (en) | 1984-05-28 |
| DE3224162A1 (de) | 1983-01-20 |
| GB2101997B (en) | 1985-06-05 |
| US4450309A (en) | 1984-05-22 |
| GB2101997A (en) | 1983-01-26 |
| FR2508900B1 (fr) | 1986-09-26 |
| DD204240A5 (de) | 1983-11-23 |
| FR2508900A1 (fr) | 1983-01-07 |
| JPS5810530A (ja) | 1983-01-21 |
| SU1205756A3 (ru) | 1986-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4467112A (en) | Process for producing p-n-alkylbenzoic acid | |
| JPH11349536A (ja) | ９，１０―エンドエタノ―９，１０―ジハイドロアントラセン―１１，１１―ジカルボン酸のモノエステルまたはジエステルの合成方法，この合成方法により得られる新規なモノエステルまたはジエステル、及びこれらの、均整または不整メチリデンマロネ―トの合成への応用 | |
| US4371711A (en) | Process for producing 4-hydroxycyclopentenones | |
| DE69103966T2 (de) | Verfahren zur Herstellung von Beta-Carotin und für dieses Verfahren verwendbare Zwischenprodukte. | |
| JP2693615B2 (ja) | １‐ハロ‐４，６，１０‐ヘキサデカトリエン化合物およびその製造方法 | |
| JPH0345049B2 (en]) | ||
| EP0090231B1 (de) | Verfahren zur Herstellung von 3-Alkyl-2,5-dihydrofuran-2-onen | |
| EP0110329B1 (de) | Verfahren zur Herstellung von alpha-Vinylpropionsäureestern | |
| JPH0358335B2 (en]) | ||
| JP3823385B2 (ja) | ２，４，５−トリフルオロ−３−ヨ−ド安息香酸およびそのエステル類の製造方法 | |
| JP5138499B2 (ja) | 脂肪族ジケトンの製造方法 | |
| EP0235714B1 (en) | Process for the preparation of compounds with a double carbon to carbon bond by dehydration of the corresponding alcohol | |
| JP2502936B2 (ja) | 新規なアセチレン系誘導体 | |
| JP2791572B2 (ja) | 大環状化合物及びその製造法 | |
| JPS59163345A (ja) | α−アリ−ルアルカン酸エステル類の製造法 | |
| JPS62178538A (ja) | ２−メチル−２−ブテン−１，４−ジア−ルの４−モノアセタ−ルの製法 | |
| SU958411A1 (ru) | Способ получени @ , @ -разветвленных @ -кетоэфиров | |
| JPH0340024B2 (en]) | ||
| JP2581186B2 (ja) | ４−置換−２−シクロペンテノンエステル誘導体の製造法 | |
| JP3623813B2 (ja) | ポリプレニルハライドの精製方法 | |
| JP4641772B2 (ja) | フラノンの製造方法 | |
| GB1605151A (en) | Derivatives of 8-dehydro-vitamin a and their preparation | |
| EP0137254B1 (de) | Halogen enthaltende Acyloxy-methyl-butene | |
| JPH0749410B2 (ja) | ３，３−ジクロロアクリロニトリルの製造方法 | |
| PL153699B1 (en) | Method for manufacturing new phosphate compounds |