JPH10507453A - モノマー前駆体異性化 - Google Patents
モノマー前駆体異性化Info
- Publication number
- JPH10507453A JPH10507453A JP8513456A JP51345696A JPH10507453A JP H10507453 A JPH10507453 A JP H10507453A JP 8513456 A JP8513456 A JP 8513456A JP 51345696 A JP51345696 A JP 51345696A JP H10507453 A JPH10507453 A JP H10507453A
- Authority
- JP
- Japan
- Prior art keywords
- group
- substituted
- formula
- dichloro
- bis
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings 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
- C07D317/42—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.式 式中、Rfは、−R2 f、−F、−C(O)F、−C(O)OR及び−R3 fQ から成る群より選ばれ、R1 fは、−F及び−R2 fから成る群より選ばれ、R2 fは 、パーフッ素化された線状又は分岐状アルキル基であり、該基は、1〜14個の 炭素原子を有し、随時エーテル酸素を含有していてもよく、そして該基は末端で −F、−Cl、−Br、−OR、−OC6F5、−SO2F、−N3、−CN、−C OOCH3、−COOC2H5、−SO2Cl、−C(O)Cl又は−C(O)Fに より置換されており、Rは、−CH3、−C2H5及び−CH2CF3から成る群よ り選ばれ、R3 fは、単結合であるか、又は随時エーテル酸素を含有していてもよ い1〜4個の炭素原子を有するパーフルオロアルキレン基であり、そしてQは、 である、 の2,2−ビス−置換された−トランス−4,5−ジクロロ−4,5−ジフルオ ロジオキソランを製造する方法であって、 上記式と同じ式の2,2−ビス−置換された−シス−4,5−ジクロロ−4, 5−ジフルオロジオキソラン出発物質を、式 AlZ3(式中、 ZはF、Cl、Br及びそれらの混合物から成る群より選ばれ、但しAlZ3は 完全にAlF3であることはないものとする、)の触媒の存在下に異性化させる ことを特徴とする方法。 2.Rf及びR1 fが各々トリフルオロメチル基である、請求の範囲1に記載の 方法。 3.Rf及びR1 fが各々フッ素原子である、請求の範囲1に記載の方法。 4.触媒が、式 AlClxFy(式中、x+yは3に等しく、xは約0.05 〜2.95である、)を有する、請求の範囲1に記載の方法。 5.yが約2.5〜2.95である、請求の範囲4に記載の方法。 6.式 式中、Rfは、−R2 f、−F、−C(O)F、−C(O)OR及び−R3 fQ から成る群より選ばれ、R1 fは、−F及び−R2 fから成る群より選ばれ、R2 fは 、パーフッ素化された線状又は分岐状アルキル基であり、該基は、1〜14個の 炭素原子を有し、随時エーテル酸素を含有していてもよく、そして該基は末端で −F、−Cl、−Br、−OR、−OC6F5、−SO2F、−N3、−CN、−C OOCH3、−COOC2H5、−SO2Cl、−C(O)Cl又は−C(O)Fに より置換されており、Rは、−CH3、−C2H5及び−CH2CF3から成る群よ り選ばれ、R3 fは、単結合であるか、又は随時エーテル酸素を含有していてもよ い1〜4個の炭素原子を有す るパーフルオロアルキレン基であり、そしてQは、 である、 のオレフィン系モノマーを製造する方法であって、 2,2−ビス−置換された−トランス−4,5−ジクロロ−4,5−ジフルオロ ジオキソランを表す式 と同じ式の2,2−ビス−置換された−シス−4,5−ジクロロ−4,5−ジフ ルオロジオキソラン出発物質を、式 AlZ3(式中、ZはF、Cl、Br及び それらの混合物から成る群より選ばれ、但しAlZ3は完全にAlF3であること はないものとする、)の触媒の存在下に異性化させることにより上記式の2,2 −ビス−置換された−トランス−4,5−ジクロロ−4,5−ジフルオロジオキ ソランを製造し、そして 該異性化により製造された2,2−ビス−置換されたートランス−4,5−ジ クロロ−4,5−ジフルオロジオキソランを脱塩素化することを特徴とする方法 。 7.Rf及びR1 fが各々トリフルオロメチル基である、請求の範囲6に記載の 方法。 8.Rf及びR1 fが各々フッ素原子である、請求の範囲6に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/323,319 | 1994-10-14 | ||
US08/323,319 US5523422A (en) | 1994-10-14 | 1994-10-14 | Monomer precursor isomerization |
PCT/US1995/013460 WO1996011921A1 (en) | 1994-10-14 | 1995-10-10 | Monomer precursor isomerization |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10507453A true JPH10507453A (ja) | 1998-07-21 |
JP3953098B2 JP3953098B2 (ja) | 2007-08-01 |
Family
ID=23258687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51345696A Expired - Lifetime JP3953098B2 (ja) | 1994-10-14 | 1995-10-10 | モノマー前駆体異性化 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5523422A (ja) |
EP (1) | EP0785931B1 (ja) |
JP (1) | JP3953098B2 (ja) |
DE (1) | DE69502410T2 (ja) |
WO (1) | WO1996011921A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5796165A (en) * | 1996-03-19 | 1998-08-18 | Matsushita Electronics Corporation | High-frequency integrated circuit device having a multilayer structure |
CN111375398B (zh) * | 2018-12-29 | 2022-09-30 | 浙江省化工研究院有限公司 | 一种异构化催化剂及其应用 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2925424A (en) * | 1956-05-03 | 1960-02-16 | Du Pont | Fluoroketals and their preparation |
US3865845A (en) * | 1971-02-24 | 1975-02-11 | Paul Raphael Resnick | Fluorinated dioxoles |
US3978030A (en) * | 1973-08-01 | 1976-08-31 | E. I. Du Pont De Nemours And Company | Polymers of fluorinated dioxoles |
US4393227A (en) * | 1981-08-12 | 1983-07-12 | E. I. Du Pont De Nemours And Company | Process for dechlorinating organic compounds |
IT1139269B (it) * | 1981-10-21 | 1986-09-24 | Montedison Spa | Processo per la preparazione di 1,1-dialo-1,2,2,2-tetrafluoroetani |
US4399264A (en) * | 1981-11-19 | 1983-08-16 | E. I. Du Pont De Nemours & Co. | Perfluorodioxole and its polymers |
JPS6078925A (ja) * | 1983-10-06 | 1985-05-04 | Daikin Ind Ltd | 2,2−ジハロゲノヘキサフルオロプロパンの製法 |
US4535175A (en) * | 1984-04-18 | 1985-08-13 | E. I. Du Pont De Nemours And Company | Fluorodioxoles |
US4810806A (en) * | 1987-07-31 | 1989-03-07 | E. I. Du Pont De Nemours And Company | Halogenated 1,3-dioxolanes and derivatives |
US5227500A (en) * | 1987-07-31 | 1993-07-13 | E. I. Du Pont De Nemours And Company | Halogenated 1,3-dioxolanes and derivatives |
US5017732A (en) * | 1990-02-16 | 1991-05-21 | Dixie Chemical Company | Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom |
CA2060193A1 (en) * | 1989-08-28 | 1991-03-01 | Leo E. Manzer | Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3 dioxolanes |
US5177224A (en) * | 1989-08-28 | 1993-01-05 | E. I. Du Pont De Nemours And Company | Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes |
US5026801A (en) * | 1989-09-18 | 1991-06-25 | E. I. Du Pont De Nemours And Company | Polyhalodihydrodioxins and polyhalodioxoles |
US5162594A (en) * | 1990-10-11 | 1992-11-10 | E. I. Du Pont De Nemours And Company | Process for production of polyfluoroolefins |
US5416246A (en) * | 1994-10-14 | 1995-05-16 | E. I. Du Pont De Nemours And Company | Chlorofluorocarbon isomerization |
-
1994
- 1994-10-14 US US08/323,319 patent/US5523422A/en not_active Expired - Lifetime
-
1995
- 1995-10-10 DE DE69502410T patent/DE69502410T2/de not_active Expired - Lifetime
- 1995-10-10 EP EP95937534A patent/EP0785931B1/en not_active Expired - Lifetime
- 1995-10-10 JP JP51345696A patent/JP3953098B2/ja not_active Expired - Lifetime
- 1995-10-10 WO PCT/US1995/013460 patent/WO1996011921A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP3953098B2 (ja) | 2007-08-01 |
DE69502410D1 (de) | 1998-06-10 |
WO1996011921A1 (en) | 1996-04-25 |
EP0785931A1 (en) | 1997-07-30 |
US5523422A (en) | 1996-06-04 |
EP0785931B1 (en) | 1998-05-06 |
DE69502410T2 (de) | 1999-01-07 |
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