CH633505A5 - Process for the preparation of sterically hindered bisphenols or polyphenols - Google Patents
Process for the preparation of sterically hindered bisphenols or polyphenols Download PDFInfo
- Publication number
- CH633505A5 CH633505A5 CH731077A CH731077A CH633505A5 CH 633505 A5 CH633505 A5 CH 633505A5 CH 731077 A CH731077 A CH 731077A CH 731077 A CH731077 A CH 731077A CH 633505 A5 CH633505 A5 CH 633505A5
- Authority
- CH
- Switzerland
- Prior art keywords
- tert
- butyl
- bis
- mol
- methyl
- Prior art date
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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
-
- 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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/115—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using acetals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762372253A SU732232A1 (ru) | 1976-06-14 | 1976-06-14 | Способ получени пространственно- затрудненных бис- или полифенолов |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633505A5 true CH633505A5 (en) | 1982-12-15 |
Family
ID=20665542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH731077A CH633505A5 (en) | 1976-06-14 | 1977-06-14 | Process for the preparation of sterically hindered bisphenols or polyphenols |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS5315349A (pt) |
| AT (1) | AT352706B (pt) |
| BE (1) | BE855676A (pt) |
| BR (1) | BR7703857A (pt) |
| CA (1) | CA1109894A (pt) |
| CH (1) | CH633505A5 (pt) |
| DE (1) | DE2726762C3 (pt) |
| DK (1) | DK146908C (pt) |
| FI (1) | FI65421C (pt) |
| FR (1) | FR2354988A1 (pt) |
| GB (1) | GB1555728A (pt) |
| IE (1) | IE45388B1 (pt) |
| IT (1) | IT1114877B (pt) |
| NL (1) | NL172053C (pt) |
| NO (1) | NO147024C (pt) |
| PT (1) | PT66676B (pt) |
| SE (1) | SE442632B (pt) |
| SU (1) | SU732232A1 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110830A1 (de) * | 1982-11-25 | 1984-06-13 | Ciba-Geigy Ag | Neue benzylierte Phenole |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222884A (en) * | 1978-12-04 | 1980-09-16 | Ethyl Corporation | Antioxidant |
| US6207866B1 (en) * | 1997-07-11 | 2001-03-27 | Nippon Petrochemicals Company, Limited | Method for producing diarylmethane or its derivatives |
| JP2000016952A (ja) | 1998-07-01 | 2000-01-18 | Nippon Petrochem Co Ltd | 炭化水素の製造方法 |
| JP4376367B2 (ja) | 1999-09-20 | 2009-12-02 | 新日本石油株式会社 | 炭化水素溶剤およびそれを用いた感圧複写材料 |
| CN105859771B (zh) * | 2016-03-25 | 2018-09-14 | 维思普新材料（苏州）有限公司 | 一种芳基膦酸盐成核剂的制备方法 |
-
1976
- 1976-06-14 SU SU762372253A patent/SU732232A1/ru active
-
1977
- 1977-06-13 AT AT414877A patent/AT352706B/de not_active IP Right Cessation
- 1977-06-13 SE SE7706829A patent/SE442632B/xx not_active IP Right Cessation
- 1977-06-13 NO NO772056A patent/NO147024C/no unknown
- 1977-06-13 NL NLAANVRAGE7706496,A patent/NL172053C/xx not_active IP Right Cessation
- 1977-06-13 CA CA280,418A patent/CA1109894A/en not_active Expired
- 1977-06-13 DK DK260377A patent/DK146908C/da not_active IP Right Cessation
- 1977-06-13 IT IT24626/77A patent/IT1114877B/it active
- 1977-06-14 GB GB24793/77A patent/GB1555728A/en not_active Expired
- 1977-06-14 JP JP6949577A patent/JPS5315349A/ja active Granted
- 1977-06-14 FR FR7718180A patent/FR2354988A1/fr active Granted
- 1977-06-14 BE BE178436A patent/BE855676A/xx not_active IP Right Cessation
- 1977-06-14 CH CH731077A patent/CH633505A5/de not_active IP Right Cessation
- 1977-06-14 IE IE1216/77A patent/IE45388B1/en unknown
- 1977-06-14 FI FI771872A patent/FI65421C/fi not_active IP Right Cessation
- 1977-06-14 BR BR7703857A patent/BR7703857A/pt unknown
- 1977-06-14 DE DE2726762A patent/DE2726762C3/de not_active Expired
- 1977-06-15 PT PT66676A patent/PT66676B/pt unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110830A1 (de) * | 1982-11-25 | 1984-06-13 | Ciba-Geigy Ag | Neue benzylierte Phenole |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2726762A1 (de) | 1977-12-22 |
| DK146908C (da) | 1984-07-23 |
| FI65421C (fi) | 1984-05-10 |
| DK260377A (da) | 1977-12-15 |
| IE45388B1 (en) | 1982-08-11 |
| GB1555728A (en) | 1979-11-14 |
| SE7706829L (sv) | 1977-12-15 |
| NL172053B (nl) | 1983-02-01 |
| FR2354988B1 (pt) | 1981-11-27 |
| JPS5315349A (en) | 1978-02-13 |
| NL7706496A (nl) | 1977-12-16 |
| AT352706B (de) | 1979-10-10 |
| FI771872A (pt) | 1977-12-15 |
| NO772056L (no) | 1977-12-15 |
| DE2726762C3 (de) | 1981-10-15 |
| DK146908B (da) | 1984-02-06 |
| NO147024C (no) | 1983-01-26 |
| NL172053C (nl) | 1983-07-01 |
| IE45388L (en) | 1977-12-14 |
| FR2354988A1 (fr) | 1978-01-13 |
| JPS558500B2 (pt) | 1980-03-04 |
| FI65421B (fi) | 1984-01-31 |
| SU732232A1 (ru) | 1980-05-05 |
| NO147024B (no) | 1982-10-11 |
| IT1114877B (it) | 1986-01-27 |
| ATA414877A (de) | 1979-03-15 |
| SE442632B (sv) | 1986-01-20 |
| PT66676A (en) | 1977-07-01 |
| PT66676B (en) | 1978-11-15 |
| BE855676A (fr) | 1977-12-14 |
| CA1109894A (en) | 1981-09-29 |
| BR7703857A (pt) | 1978-04-25 |
| DE2726762B2 (de) | 1980-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |