NL261868A - - Google Patents
Info
- Publication number
- NL261868A NL261868A NL261868DA NL261868A NL 261868 A NL261868 A NL 261868A NL 261868D A NL261868D A NL 261868DA NL 261868 A NL261868 A NL 261868A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C37/78—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
-
- 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
- C07C45/84—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR40249A FR1259504A (fr) | 1960-03-17 | 1960-03-17 | Procédé de séparation par distillation de l'alpha naphtol de la tétralone et du tétralol |
Publications (1)
Publication Number | Publication Date |
---|---|
NL261868A true NL261868A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-05-26 |
Family
ID=8593786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL261868D NL261868A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-03-17 | 1961-03-02 |
Country Status (5)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1351435A (fr) * | 1962-10-26 | 1964-02-07 | Progil | Purification de naphtol |
CN110467518A (zh) * | 2019-07-29 | 2019-11-19 | 爱斯特(成都)生物制药股份有限公司 | 一种1-萘酚的还原及分离工艺 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1879337A (en) * | 1929-04-10 | 1932-09-27 | Ig Farbenindustrie Ag | Process for the manufacture of alpha-naphthol |
US2595266A (en) * | 1948-01-09 | 1952-05-06 | Koppers Co Inc | Production of alpha-naphthol by catalytic reduction of alphatetralol and alpha-tetralone |
-
1960
- 1960-03-17 FR FR40249A patent/FR1259504A/fr not_active Expired
-
1961
- 1961-03-02 NL NL261868D patent/NL261868A/xx unknown
- 1961-03-10 GB GB8874/61A patent/GB915357A/en not_active Expired
- 1961-03-13 US US9504361 patent/US3125496A/en not_active Expired - Lifetime
- 1961-03-17 DE DEP26781A patent/DE1144733B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR1259504A (fr) | 1961-04-28 |
DE1144733B (de) | 1963-03-07 |
US3125496A (en) | 1964-03-17 |
GB915357A (en) | 1963-01-09 |