FR2156791A1 - Continuous prodn of dl-alpha-hydroxy-beta, beta-dimethyl - - gamma-butyrolactone - from isobutyraldehyde and formalin - Google Patents
Continuous prodn of dl-alpha-hydroxy-beta, beta-dimethyl - - gamma-butyrolactone - from isobutyraldehyde and formalinInfo
- Publication number
- FR2156791A1 FR2156791A1 FR7236898A FR7236898A FR2156791A1 FR 2156791 A1 FR2156791 A1 FR 2156791A1 FR 7236898 A FR7236898 A FR 7236898A FR 7236898 A FR7236898 A FR 7236898A FR 2156791 A1 FR2156791 A1 FR 2156791A1
- Authority
- FR
- France
- Prior art keywords
- reaction
- beta
- soln
- isobutyraldehyde
- reactor
- 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.)
- Granted
Links
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 title abstract 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 2
- SERHXTVXHNVDKA-UHFFFAOYSA-N pantolactone Chemical compound CC1(C)COC(=O)C1O SERHXTVXHNVDKA-UHFFFAOYSA-N 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 6
- HSJKGGMUJITCBW-UHFFFAOYSA-N 3-hydroxybutanal Chemical compound CC(O)CC=O HSJKGGMUJITCBW-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- GHOKWGTUZJEAQD-UHFFFAOYSA-N pantothenic acid Chemical compound OCC(C)(C)C(O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000376 reactant Substances 0.000 abstract 2
- 239000004063 acid-resistant material Substances 0.000 abstract 1
- VVDWGHWDCUJHJC-UHFFFAOYSA-N formaldehyde 2-methylpropanal Chemical compound C=O.C(C(C)C)=O VVDWGHWDCUJHJC-UHFFFAOYSA-N 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 229940088594 vitamin Drugs 0.000 abstract 1
- 239000011782 vitamin Substances 0.000 abstract 1
- 229930003231 vitamin Natural products 0.000 abstract 1
- 235000013343 vitamin Nutrition 0.000 abstract 1
- 238000010792 warming Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2435—Loop-type reactors
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15840971A DD99368A1 (enrdf_load_html_response) | 1971-10-19 | 1971-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2156791A1 true FR2156791A1 (en) | 1973-06-01 |
| FR2156791B1 FR2156791B1 (enrdf_load_html_response) | 1977-04-01 |
Family
ID=5484467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7236898A Granted FR2156791A1 (en) | 1971-10-19 | 1972-10-18 | Continuous prodn of dl-alpha-hydroxy-beta, beta-dimethyl - - gamma-butyrolactone - from isobutyraldehyde and formalin |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE828390Q (enrdf_load_html_response) |
| CH (1) | CH577987A5 (enrdf_load_html_response) |
| DD (1) | DD99368A1 (enrdf_load_html_response) |
| DE (1) | DE2228641B2 (enrdf_load_html_response) |
| FR (1) | FR2156791A1 (enrdf_load_html_response) |
| HU (1) | HU164765B (enrdf_load_html_response) |
| PL (1) | PL94404B1 (enrdf_load_html_response) |
| RO (1) | RO64159A (enrdf_load_html_response) |
| SU (1) | SU706099A1 (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160235A3 (en) * | 2000-06-02 | 2002-11-13 | Nippon Shokubai Co., Ltd. | A method for producing alpha-hydroxycarboxylic acid |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2758883C3 (de) * | 1977-12-30 | 1981-10-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von α-Hydroxy-β,β-dimethyl-γ-butyrolacton |
| DE2809179A1 (de) * | 1978-03-03 | 1979-09-13 | Basf Ag | Verfahren zur extraktion von pantolacton aus seinen waessrigen loesungen |
| US4517132A (en) * | 1983-06-29 | 1985-05-14 | Union Carbide Corporation | Process for preparation of cyanohydrins |
| GB9210832D0 (en) * | 1992-05-21 | 1992-07-08 | Ici Plc | Bromine catalysed oxidation process |
-
1971
- 1971-10-19 DD DD15840971A patent/DD99368A1/xx unknown
-
1972
- 1972-06-13 DE DE19722228641 patent/DE2228641B2/de not_active Ceased
- 1972-10-16 RO RO7252272A patent/RO64159A/ro unknown
- 1972-10-17 HU HUJE000537 patent/HU164765B/hu unknown
- 1972-10-17 CH CH1514272A patent/CH577987A5/xx not_active IP Right Cessation
- 1972-10-18 SU SU721839389A patent/SU706099A1/ru active
- 1972-10-18 FR FR7236898A patent/FR2156791A1/fr active Granted
- 1972-10-18 PL PL15832972A patent/PL94404B1/pl unknown
-
1975
- 1975-04-25 BE BE155772A patent/BE828390Q/xx not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1160235A3 (en) * | 2000-06-02 | 2002-11-13 | Nippon Shokubai Co., Ltd. | A method for producing alpha-hydroxycarboxylic acid |
| US6864389B2 (en) | 2000-06-02 | 2005-03-08 | Nippon Shokubai Co., Ltd. | Method for producing α-hydroxycarboxylic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2228641A1 (de) | 1973-04-26 |
| DD99368A1 (enrdf_load_html_response) | 1973-08-13 |
| PL94404B1 (pl) | 1977-08-31 |
| HU164765B (enrdf_load_html_response) | 1974-04-11 |
| FR2156791B1 (enrdf_load_html_response) | 1977-04-01 |
| SU706099A1 (ru) | 1979-12-30 |
| CH577987A5 (enrdf_load_html_response) | 1976-07-30 |
| RO64159A (fr) | 1978-10-15 |
| BE828390Q (fr) | 1975-08-18 |
| DE2228641B2 (de) | 1976-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |