NL7509217A - Werkwijze om polyolen te bereiden. - Google Patents
Werkwijze om polyolen te bereiden.Info
- Publication number
- NL7509217A NL7509217A NL7509217A NL7509217A NL7509217A NL 7509217 A NL7509217 A NL 7509217A NL 7509217 A NL7509217 A NL 7509217A NL 7509217 A NL7509217 A NL 7509217A NL 7509217 A NL7509217 A NL 7509217A
- Authority
- NL
- Netherlands
- Prior art keywords
- preparing polyols
- polyols
- preparing
- Prior art date
Links
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
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
-
- 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
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/14—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of a —CHO group
- C07C29/141—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
Landscapes
- Chemical & Material Sciences (AREA)
- Organic 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 |
---|---|---|---|
US49429274A | 1974-08-02 | 1974-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7509217A true NL7509217A (nl) | 1976-02-04 |
Family
ID=23963881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7509217A NL7509217A (nl) | 1974-08-02 | 1975-08-01 | Werkwijze om polyolen te bereiden. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5139614A (nl) |
CA (1) | CA1066723A (nl) |
DE (1) | DE2523840A1 (nl) |
GB (1) | GB1486380A (nl) |
IT (1) | IT1040326B (nl) |
NL (1) | NL7509217A (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2346311A1 (fr) * | 1976-03-30 | 1977-10-28 | Du Pont | Procede de preparation du 2-methyl-1,3-propanediol |
FR2376106A1 (fr) * | 1976-12-28 | 1978-07-28 | Du Pont | Procede pour preparer des polyols a partir d'un acetal cyclique |
-
1975
- 1975-05-30 DE DE19752523840 patent/DE2523840A1/de not_active Ceased
- 1975-07-31 GB GB3212375A patent/GB1486380A/en not_active Expired
- 1975-07-31 CA CA232,675A patent/CA1066723A/en not_active Expired
- 1975-08-01 IT IT2604475A patent/IT1040326B/it active
- 1975-08-01 JP JP9327475A patent/JPS5139614A/ja active Pending
- 1975-08-01 NL NL7509217A patent/NL7509217A/nl not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2346311A1 (fr) * | 1976-03-30 | 1977-10-28 | Du Pont | Procede de preparation du 2-methyl-1,3-propanediol |
FR2376106A1 (fr) * | 1976-12-28 | 1978-07-28 | Du Pont | Procede pour preparer des polyols a partir d'un acetal cyclique |
Also Published As
Publication number | Publication date |
---|---|
IT1040326B (it) | 1979-12-20 |
CA1066723A (en) | 1979-11-20 |
GB1486380A (en) | 1977-09-21 |
JPS5139614A (ja) | 1976-04-02 |
DE2523840A1 (de) | 1976-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |