IN186070B - - Google Patents
Info
- Publication number
- IN186070B IN186070B IN433CA1999A IN186070B IN 186070 B IN186070 B IN 186070B IN 433CA1999 A IN433CA1999 A IN 433CA1999A IN 186070 B IN186070 B IN 186070B
- Authority
- IN
- India
Links
Classifications
-
- 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
-
- 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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural 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 |
|---|---|---|---|
| DE19821379A DE19821379A1 (de) | 1998-05-13 | 1998-05-13 | Verbessertes Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(beta-Isophoron durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-1-on(alpha-Isophoron)(II) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN186070B true IN186070B (bg) | 2001-06-16 |
Family
ID=7867602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN433CA1999 IN186070B (bg) | 1998-05-13 | 1999-05-10 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6265617B1 (bg) |
| EP (1) | EP0957075A1 (bg) |
| JP (1) | JPH11349518A (bg) |
| CN (1) | CN1235954A (bg) |
| BR (1) | BR9902079A (bg) |
| CA (1) | CA2271518A1 (bg) |
| DE (1) | DE19821379A1 (bg) |
| ID (1) | ID22572A (bg) |
| IL (1) | IL129906A0 (bg) |
| IN (1) | IN186070B (bg) |
| TW (1) | TW483884B (bg) |
| YU (1) | YU21899A (bg) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19951006A1 (de) * | 1999-10-22 | 2001-04-26 | Degussa | Verfahren zur Herstellung von veresterten Chromanverbindungen |
| US6423874B1 (en) | 2000-02-18 | 2002-07-23 | Millennium Speciality Chemicals, Inc. | Process for obtaining fragrant ketone |
| KR100750054B1 (ko) * | 2001-11-12 | 2007-08-16 | 에스케이에너지 주식회사 | 고순도 3,5,5-트리메틸-3-사이클로헥세논의 제조방법 |
| CN100358857C (zh) * | 2006-04-12 | 2008-01-02 | 浙江大学 | 2-环己烯酮类化合物及其制备方法 |
| CN101104587B (zh) * | 2006-04-12 | 2011-04-13 | 浙江大学 | 2-环己烯酮类化合物 |
| DE102010030995A1 (de) | 2010-07-06 | 2012-01-12 | Evonik Degussa Gmbh | Verwendung von beta-Isophoron als Lösemittel |
| CN104649878B (zh) * | 2013-11-21 | 2017-01-04 | 浙江新和成药业有限公司 | 一种连续合成β-异佛尔酮的工艺 |
| CN104761443B (zh) * | 2015-03-23 | 2016-05-18 | 万华化学集团股份有限公司 | 一种连续制备3,5,5-三甲基环己-3-烯-1-酮的方法 |
| CN106278854B (zh) * | 2015-06-05 | 2018-10-26 | 浙江新和成药业有限公司 | 一种由α-异佛尔酮异构β-异佛尔酮的制备方法 |
| CN107216244B (zh) * | 2017-06-16 | 2020-07-28 | 万华化学集团股份有限公司 | 一种制备3,5,5-三甲基-3-环己烯-1-酮的方法 |
| CN108579790B (zh) * | 2018-05-25 | 2021-03-09 | 万华化学集团股份有限公司 | 一种氮掺杂多孔碳催化剂及其制备方法，以及β-异佛尔酮的制备方法 |
| CN112920032B (zh) * | 2019-12-06 | 2022-07-12 | 万华化学集团股份有限公司 | 一种β-异佛尔酮的制备方法 |
| CN112341321B (zh) * | 2020-11-10 | 2022-05-10 | 江苏馨瑞香料有限公司 | 黑檀醇的制备方法 |
| CN112517075B (zh) * | 2020-11-30 | 2022-07-12 | 万华化学集团股份有限公司 | 一种异构化催化剂及其制备方法，及β-异佛尔酮的制备方法 |
| CN113083339B (zh) * | 2021-04-15 | 2022-11-08 | 万华化学(四川)有限公司 | 一种用于制备维生素e的催化剂及其制备方法和应用 |
| CN114315541B (zh) * | 2022-01-17 | 2024-06-25 | 万华化学(四川)有限公司 | 一种环己酮组合物及其应用 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2246032A (en) * | 1937-12-27 | 1941-06-17 | Shell Dev | Process for the production of beta gamma unsaturated ketones |
| US3397120A (en) * | 1967-01-13 | 1968-08-13 | Exxon Research Engineering Co | Purification of dihydroisophorone by plural distillation and isomerization |
| CH585168A5 (bg) | 1973-12-07 | 1977-02-28 | Firmenich & Cie | |
| US4026948A (en) | 1973-12-07 | 1977-05-31 | Firmenich S.A. | Process for the preparation of 2,2,6-trimethyl-cyclohex-5-en-1,4-dione |
| DE19639570A1 (de) | 1996-09-26 | 1998-04-02 | Degussa | Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(ß-Isophoron) durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-l-on(alpha-Isophoron) |
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1998
- 1998-05-13 DE DE19821379A patent/DE19821379A1/de not_active Withdrawn
-
1999
- 1999-04-30 EP EP99108497A patent/EP0957075A1/de not_active Withdrawn
- 1999-05-07 TW TW088107489A patent/TW483884B/zh active
- 1999-05-10 IN IN433CA1999 patent/IN186070B/en unknown
- 1999-05-12 IL IL12990699A patent/IL129906A0/xx unknown
- 1999-05-12 JP JP11131491A patent/JPH11349518A/ja active Pending
- 1999-05-12 ID IDP990438D patent/ID22572A/id unknown
- 1999-05-12 CA CA002271518A patent/CA2271518A1/en not_active Abandoned
- 1999-05-13 YU YU21899A patent/YU21899A/sh unknown
- 1999-05-13 US US09/310,971 patent/US6265617B1/en not_active Expired - Fee Related
- 1999-05-13 BR BR9902079-3A patent/BR9902079A/pt not_active Application Discontinuation
- 1999-05-13 CN CN99107303.7A patent/CN1235954A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR9902079A (pt) | 2000-04-11 |
| US6265617B1 (en) | 2001-07-24 |
| IL129906A0 (en) | 2000-02-29 |
| JPH11349518A (ja) | 1999-12-21 |
| EP0957075A1 (de) | 1999-11-17 |
| DE19821379A1 (de) | 1999-11-18 |
| TW483884B (en) | 2002-04-21 |
| CA2271518A1 (en) | 1999-11-13 |
| YU21899A (sh) | 2002-08-12 |
| CN1235954A (zh) | 1999-11-24 |
| ID22572A (id) | 1999-11-18 |