CA1062286A - Method for the preparation of 2-alkylindanes - Google Patents
Method for the preparation of 2-alkylindanesInfo
- Publication number
- CA1062286A CA1062286A CA261,303A CA261303A CA1062286A CA 1062286 A CA1062286 A CA 1062286A CA 261303 A CA261303 A CA 261303A CA 1062286 A CA1062286 A CA 1062286A
- Authority
- CA
- Canada
- Prior art keywords
- formula
- indanone
- chosen
- formaldehyde
- ketol
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 27
- QNXSIUBBGPHDDE-UHFFFAOYSA-N indan-1-one Chemical compound C1=CC=C2C(=O)CCC2=C1 QNXSIUBBGPHDDE-UHFFFAOYSA-N 0.000 claims abstract description 10
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N benzocyclopentane Natural products C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003495 polar organic solvent Substances 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 5
- 239000002243 precursor Substances 0.000 claims abstract description 4
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 150000008365 aromatic ketones Chemical class 0.000 claims abstract description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 238000006214 Clemmensen reduction reaction Methods 0.000 claims description 2
- 238000005644 Wolff-Kishner reduction reaction Methods 0.000 claims description 2
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- GIUDGQPFOOPWIQ-UHFFFAOYSA-N 2-ethyl-2,3-dihydroinden-1-one Chemical compound C1=CC=C2C(=O)C(CC)CC2=C1 GIUDGQPFOOPWIQ-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- WJNBFERHVLTYOV-UHFFFAOYSA-N 2-ethyl-2,3-dihydro-1h-indene Chemical compound C1=CC=C2CC(CC)CC2=C1 WJNBFERHVLTYOV-UHFFFAOYSA-N 0.000 description 2
- WBCAKNRIXCUKPZ-UHFFFAOYSA-N 2-propan-2-yl-2,3-dihydroinden-1-one Chemical compound C1=CC=C2C(=O)C(C(C)C)CC2=C1 WBCAKNRIXCUKPZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- DRKSSIVAGFUWBU-UHFFFAOYSA-N 2,3-dimethylbutylbenzene Chemical compound CC(C)C(C)CC1=CC=CC=C1 DRKSSIVAGFUWBU-UHFFFAOYSA-N 0.000 description 1
- JZHVNNHCEHMLMI-UHFFFAOYSA-N 2-(hydroxymethyl)-1-phenylbutan-1-one Chemical compound CCC(CO)C(=O)C1=CC=CC=C1 JZHVNNHCEHMLMI-UHFFFAOYSA-N 0.000 description 1
- OZJCZHAHRCKGRE-UHFFFAOYSA-N 2-(hydroxymethyl)-3-methyl-1-phenylbutan-1-one Chemical compound CC(C)C(CO)C(=O)C1=CC=CC=C1 OZJCZHAHRCKGRE-UHFFFAOYSA-N 0.000 description 1
- IFDLFCDWOFLKEB-UHFFFAOYSA-N 2-methylbutylbenzene Chemical compound CCC(C)CC1=CC=CC=C1 IFDLFCDWOFLKEB-UHFFFAOYSA-N 0.000 description 1
- HOWRLXGUHZATCY-UHFFFAOYSA-N 2-propan-2-yl-2,3-dihydro-1h-indene Chemical compound C1=CC=C2CC(C(C)C)CC2=C1 HOWRLXGUHZATCY-UHFFFAOYSA-N 0.000 description 1
- AKXKFZDCRYJKTF-UHFFFAOYSA-N 3-Hydroxypropionaldehyde Chemical compound OCCC=O AKXKFZDCRYJKTF-UHFFFAOYSA-N 0.000 description 1
- HEOVGVNITGAUKL-UHFFFAOYSA-N 3-Methyl-1-phenyl-1-butanone Chemical compound CC(C)CC(=O)C1=CC=CC=C1 HEOVGVNITGAUKL-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Natural products C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- FFSAXUULYPJSKH-UHFFFAOYSA-N butyrophenone Chemical compound CCCC(=O)C1=CC=CC=C1 FFSAXUULYPJSKH-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- UYPYRKYUKCHHIB-UHFFFAOYSA-N trimethylamine N-oxide Chemical compound C[N+](C)(C)[O-] UYPYRKYUKCHHIB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/82—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
- C07C1/22—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by reduction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
- C07C13/32—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings
- C07C13/45—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with a bicyclo ring system containing nine carbon atoms
- C07C13/465—Indenes; Completely or partially hydrogenated indenes
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
- C07C45/66—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7529658A FR2325625A1 (fr) | 1975-09-26 | 1975-09-26 | Procede de preparation d'alkyl-2 indane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1062286A true CA1062286A (en) | 1979-09-11 |
Family
ID=9160530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA261,303A Expired CA1062286A (en) | 1975-09-26 | 1976-09-15 | Method for the preparation of 2-alkylindanes |
Country Status (22)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5975133U (ja) * | 1982-11-12 | 1984-05-22 | 金鹿「こて」工業株式会社 | 動力用ワイヤ−ブラシ |
| FR2784986A1 (fr) * | 1998-10-26 | 2000-04-28 | Rhodia Chimie Sa | Procede de preparation d'un compose de type indanone ou thioindanone |
| FR2788764B1 (fr) * | 1999-01-25 | 2001-03-02 | Rhodia Chimie Sa | Procede de preparation d'un compose de type indanone ou thioindanone |
| RU2768714C2 (ru) * | 2020-05-22 | 2022-03-24 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный лесотехнический университет имени С.М. Кирова" | Способ синтеза 3-арилиндан-1-онов реакцией суперэлектрофильного ароматического замещения коричных нитрилов |
-
1975
- 1975-09-26 FR FR7529658A patent/FR2325625A1/fr active Granted
-
1976
- 1976-08-23 GR GR51532A patent/GR58459B/el unknown
- 1976-08-26 GB GB35449/76A patent/GB1500229A/en not_active Expired
- 1976-09-09 HU HU76HE00000720A patent/HU172481B/hu unknown
- 1976-09-13 CH CH1161876A patent/CH595302A5/xx not_active IP Right Cessation
- 1976-09-13 PT PT65587A patent/PT65587B/pt unknown
- 1976-09-14 JP JP51110660A patent/JPS5257157A/ja active Granted
- 1976-09-15 ZA ZA765536A patent/ZA765536B/xx unknown
- 1976-09-15 CA CA261,303A patent/CA1062286A/en not_active Expired
- 1976-09-16 NL NL7610336A patent/NL7610336A/xx not_active Application Discontinuation
- 1976-09-17 AR AR264748A patent/AR210162A1/es active
- 1976-09-17 AU AU17879/76A patent/AU497933B2/en not_active Expired
- 1976-09-20 ES ES451697A patent/ES451697A1/es not_active Expired
- 1976-09-21 DK DK424676A patent/DK424676A/da not_active Application Discontinuation
- 1976-09-23 SU SU762403409A patent/SU615847A3/ru active
- 1976-09-23 AT AT707376A patent/AT346322B/de not_active IP Right Cessation
- 1976-09-24 CS CS766203A patent/CS204996B2/cs unknown
- 1976-09-24 SE SE7610637A patent/SE417086B/xx unknown
- 1976-09-24 DE DE19762643074 patent/DE2643074A1/de not_active Withdrawn
- 1976-09-24 BE BE2055330A patent/BE846528A/xx unknown
- 1976-09-24 DD DD194981A patent/DD126332A5/xx unknown
- 1976-09-24 NO NO763272A patent/NO143703C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2325625A1 (fr) | 1977-04-22 |
| SE417086B (sv) | 1981-02-23 |
| SE7610637L (sv) | 1977-03-27 |
| NO143703C (no) | 1981-04-08 |
| NO143703B (no) | 1980-12-22 |
| ATA707376A (de) | 1978-03-15 |
| CH595302A5 (enrdf_load_html_response) | 1978-02-15 |
| CS204996B2 (en) | 1981-04-30 |
| AR210162A1 (es) | 1977-06-30 |
| NO763272L (enrdf_load_html_response) | 1977-03-29 |
| PT65587A (fr) | 1976-10-01 |
| ZA765536B (en) | 1977-08-31 |
| AU497933B2 (en) | 1979-01-25 |
| NL7610336A (nl) | 1977-03-29 |
| AT346322B (de) | 1978-11-10 |
| BE846528A (fr) | 1977-01-17 |
| DK424676A (da) | 1977-03-27 |
| DD126332A5 (enrdf_load_html_response) | 1977-07-13 |
| GR58459B (en) | 1977-10-12 |
| ES451697A1 (es) | 1977-08-16 |
| GB1500229A (en) | 1978-02-08 |
| JPS5257157A (en) | 1977-05-11 |
| JPS543870B2 (enrdf_load_html_response) | 1979-02-27 |
| HU172481B (hu) | 1978-09-28 |
| AU1787976A (en) | 1978-03-23 |
| PT65587B (pt) | 1978-03-28 |
| FR2325625B1 (enrdf_load_html_response) | 1980-08-01 |
| DE2643074A1 (de) | 1977-04-07 |
| SU615847A3 (ru) | 1978-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE47910B1 (en) | Optically-active ethers of -cyano-3-phenoxybenzyl alcohol | |
| EP2573066B1 (en) | Method for preparing a lactate | |
| CA1062286A (en) | Method for the preparation of 2-alkylindanes | |
| KR100814597B1 (ko) | 메틸 4-포밀벤조에이트와 디메틸테레프탈레이트의 분리방법 | |
| JP2683105B2 (ja) | Ｎ‐ヒドロキシピラゾールの製法 | |
| CN109879780B (zh) | 一种(2-甲胺-乙基)-氨基甲酸叔丁酯的制备方法 | |
| DE2759994C2 (de) | Ketale von 4-(1-Hydroxy-1-methylethyl)-3-cyclohexen-1-on und Verfahren zu ihrer Herstellung | |
| US4467119A (en) | Phenolic antioxidant | |
| EP0024517B1 (de) | 3-Methyl-aldehyde, Verfahren zu ihrer Herstellung und ihre Verwendung als Riechstoffe | |
| DE2918900A1 (de) | Verfahren zur herstellung von 1,5- dimethyl-bicyclo- eckige klammer auf 3,2,1 eckige klammer zu octanol-8 und dessen ester | |
| DE3327304C2 (de) | Verfahren zur Herstellung von 4-Methyljonon | |
| JPH0549657B2 (enrdf_load_html_response) | ||
| FR2467837A1 (fr) | Nouveaux composes acetyleniques, obtention et application en vue de la preparation de cetones alicycliques, telles que la b-damascenone | |
| JPS603291B2 (ja) | ２，６，６―トリメチルシクロヘキセン―（２）―オン―（１）の製法 | |
| Wash et al. | Normal and Abnormal Alkylation of 2-Methylcyclopentyl Methyl Ketone | |
| CN109020816A (zh) | 从醇酯十二工艺废水中得到3-羟基-2,2,4-三甲基戊酸-2-甲基丙酯的方法 | |
| EP0282913B2 (en) | Process for the preparation of aromatic sulfones | |
| US3056834A (en) | Synthesis of vitamin a | |
| CN118108625A (zh) | 一种新型双位点酸性离子液体催化制备紫罗兰酮肟的方法 | |
| JPH05163264A (ja) | 環式ラクトンの新規誘導体、その製法及び１５−ペンタデカノライドとその同族体の製法 | |
| Phelps et al. | ART. XXX.--On the Preparation of Cyanacetic Acid and its Ester from Monochloracetic Acid | |
| SU1366505A1 (ru) | Способ получени ( @ )-3,7-диметил-1,5-( @ ),7-октатриен-3-ола | |
| EP0708083A1 (de) | Verfahren zur Herstellung von Isopropylidenamino-oxyessigsäure(methoxycarbonylmethylen)ester | |
| JPS5822450B2 (ja) | イソロンギホラン−３−オ−ル | |
| KR800000861B1 (ko) | 치환 인다닐-5-카복실산의 제조방법 |