JPH08507495A - テトラヒドロピラン−4−カルボン酸及びそのエステルの製法 - Google Patents
テトラヒドロピラン−4−カルボン酸及びそのエステルの製法Info
- Publication number
- JPH08507495A JPH08507495A JP6515638A JP51563893A JPH08507495A JP H08507495 A JPH08507495 A JP H08507495A JP 6515638 A JP6515638 A JP 6515638A JP 51563893 A JP51563893 A JP 51563893A JP H08507495 A JPH08507495 A JP H08507495A
- Authority
- JP
- Japan
- Prior art keywords
- ester
- carboxylic acid
- tetrahydropyran
- catalyst
- producing
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-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
- C07D309/08—Heterocyclic compounds containing six-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 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.テトラヒドロピラン−4−カルボン酸及び式I: [式中、Rは水素、C1〜C8−アルキル、C3〜C8−シクロアルキル、アリール 、C7〜C12−アルキルフェニル及びC7〜C12−フェニルアルキルを表す]のそ のエステルの製法において、式II: の2,7−ジオキサスピロ[4,4]−ノナン−1,6−ジオンと水又は式III : R−OH (III) のアルコールとを酸性触媒の存在下に温度150〜350℃、圧力0.01〜1 00バールで反応させることを特徴とする、テトラヒドロピラン−4−カルボン 酸及びそのエステルの製法。 2.反応は温度200〜300℃で実施する、請求項1記載のテトラヒドロピ ラン−4−カルボン酸及びそのエステルIの製法。 3.反応は温度220〜270℃で実施する、請求項1記載のテトラヒドロピ ラン−4−カルボン酸及びそのエステルIの製法。 4.酸性触媒として、元素周期表第IIIA族及び第IVA族並びに第IVB族〜第V IB族の元素の酸性作用酸化物を使用する、請求項1記載のテトラヒドロピラン −4−カルボン酸及びそのエステルIの製法。 5.触媒として、酸化アルミニウムを使用する、請求項1記載のテトラヒドロ ピラン−4−カルボン酸及びそのエステルIの製法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4300419.9 | 1993-01-09 | ||
DE4300419A DE4300419A1 (de) | 1993-01-09 | 1993-01-09 | Verfahren zur Herstellung von Tetrahydropyran-4-carbonsäure und deren Estern |
PCT/EP1993/003670 WO1994015931A1 (de) | 1993-01-09 | 1993-12-23 | Verfahren zur herstellung von tetrahydropyran-4-carbonsäure und deren estern |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08507495A true JPH08507495A (ja) | 1996-08-13 |
Family
ID=6477927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6515638A Expired - Lifetime JPH08507495A (ja) | 1993-01-09 | 1993-12-23 | テトラヒドロピラン−4−カルボン酸及びそのエステルの製法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5580994A (ja) |
EP (1) | EP0678091B1 (ja) |
JP (1) | JPH08507495A (ja) |
DE (2) | DE4300419A1 (ja) |
ES (1) | ES2094047T3 (ja) |
WO (1) | WO1994015931A1 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3710805A1 (de) * | 1987-03-31 | 1988-10-20 | Basf Ag | Verfahren zur herstellung von tetrahydropyran-4-carbonsaeureestern |
US5414097A (en) * | 1991-12-13 | 1995-05-09 | Basf Aktiengesellschaft | Purification of esters of tetrahydro-pyran-4-carboxylic acid |
DE4228669A1 (de) * | 1992-08-28 | 1994-03-03 | Basf Ag | Verfahren zur Herstellung von Tetrahydropyran-4-carbonsäure und ihren Estern |
-
1993
- 1993-01-09 DE DE4300419A patent/DE4300419A1/de not_active Withdrawn
- 1993-12-23 US US08/403,769 patent/US5580994A/en not_active Expired - Fee Related
- 1993-12-23 EP EP94903867A patent/EP0678091B1/de not_active Expired - Lifetime
- 1993-12-23 JP JP6515638A patent/JPH08507495A/ja not_active Expired - Lifetime
- 1993-12-23 DE DE59304444T patent/DE59304444D1/de not_active Expired - Lifetime
- 1993-12-23 ES ES94903867T patent/ES2094047T3/es not_active Expired - Lifetime
- 1993-12-23 WO PCT/EP1993/003670 patent/WO1994015931A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE4300419A1 (de) | 1994-07-14 |
WO1994015931A1 (de) | 1994-07-21 |
EP0678091B1 (de) | 1996-11-06 |
DE59304444D1 (de) | 1996-12-12 |
EP0678091A1 (de) | 1995-10-25 |
US5580994A (en) | 1996-12-03 |
ES2094047T3 (es) | 1997-01-01 |
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