JP2016505046A - 酸化的エステル化による、プロピオンアルデヒドおよびホルムアルデヒドからのメタクリル酸メチルの製造法 - Google Patents
酸化的エステル化による、プロピオンアルデヒドおよびホルムアルデヒドからのメタクリル酸メチルの製造法 Download PDFInfo
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- JP2016505046A JP2016505046A JP2015553891A JP2015553891A JP2016505046A JP 2016505046 A JP2016505046 A JP 2016505046A JP 2015553891 A JP2015553891 A JP 2015553891A JP 2015553891 A JP2015553891 A JP 2015553891A JP 2016505046 A JP2016505046 A JP 2016505046A
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- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 title claims abstract description 72
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- 238000006709 oxidative esterification reaction Methods 0.000 title description 7
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/44—Preparation of carboxylic acid esters by oxidation-reduction of aldehydes, e.g. Tishchenko reaction
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
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Abstract
Description
ある実施例では、0.0588グラム(g)のロジウムジカルボニルサリチルアルドキシマート(saliclaldoximate)を10ミリリットル(ml)のトルエンに溶解し、次に0.0524mlのホスホン酸トリフェニルを加えて、ロジウム触媒を調製する。この反応で、トルエン中に、錯体サリチルアルドキシマトカルボニルトリフェニルホスファイトロジウムが生成する。
1つの実施例では、冷却しながら、5.8gのジ−n−ブチルアミンを加えつつ、容器内で、104.4gのプロピオンアルデヒドと、2gのプロピオン酸と、98gの30%ホルムアルデヒド水溶液とを混合する。アミンを添加し終えたら、反応器を約1時間で約100℃まで加熱する。冷えると、反応混合物は2相(有機相と水相)となる。有機相は90%以上のメタクロレインを含んでいる。
50.1gのメタクロレインを、25.2gのメタノールと共に(メタノール:メタクロレインのモル比が約1.1となるよう)反応器に加える。この溶液に、およそ1gの触媒(例えば、シリカに担持した3%のパラジウムと2%の鉛)を加える。撹拌機のスイッチを入れ、溶液を約50℃まで加熱する。酸素を毎分約6ミリリットル(ml/分)で流し始める。反応器を開いて大気圧とする。反応を約4時間続ける。この結果、メタクロレインは約50%転化され、メタクリル酸メチルの選択率は約90%である。
Claims (16)
- メタクリル酸メチルの製造法であって、
金属カルボニルを含む第1触媒の存在下で、エチレンと一酸化炭素と水素とを反応させる工程と、
プロピオンアルデヒドを含む第1反応生成物を取り出す工程と、
前記第1反応生成物をホルムアルデヒドと反応させる工程と、
メタクロレインを含む第2反応生成物を取り出す工程と、
第2触媒の存在下で、前記第2反応生成物を酸素およびメタノールと反応させて、メタクリル酸メチルを含む第3反応生成物を生成する工程と、
を含むことを特徴とする、メタクリル酸メチルの製造法。 - 前記第1触媒が均一系触媒であり、リン、ヒ素、およびビスマスの少なくとも1つを含むビフィリック配位子(biphyllic ligand)と組み合わせた、コバルト、ロジウム、イリジウム、およびルテニウムの少なくとも1つを含むことを特徴とする、請求項1に記載の製造法。
- エチレンと一酸化炭素と水素との前記反応工程が、溶媒を更に含むことを特徴とする、請求項1または2に記載の製造法。
- 前記金属カルボニルが、配位子の存在下にあることを特徴とする、請求項1から3のいずれか1項に記載の製造法。
- 前記第1反応生成物を、第二級アミンおよび有機酸と更に反応させることを特徴とする、請求項1から4のいずれか1項に記載の製造法。
- 前記第二級アミンが、ジ−2−エチルヘキシルアミン、ジフェニルアミン、ジシクロヘキシルアミン、ジプロピルアミン、メチルブチルアミン、エチルブチルアミン、ジイソオクチルアミン、ピペリジン、ピロリジン、ピペラジン、モルホリン、およびこれらの組み合わせを含むことを特徴とする、請求項5に記載の製造法。
- 前記有機酸が、ギ酸、シュウ酸、マレイン酸、アセチレン、ジカルボン酸、酢酸、プロピオン酸、n−またはi−ブタン酸、マロン酸、グルタル酸、コハク酸、酒石酸、アジピン酸、ヒドロキシコハク酸、サリチル酸、2−エチルヘキサン酸、およびこれらの組み合わせを含むことを特徴とする、請求項5から6のいずれか1項に記載の製造法。
- 前記第1触媒存在下でのエチレンと一酸化炭素と水素との前記反応工程が、50℃から200℃の反応温度であることを特徴とする、請求項1から7のいずれか1項に記載の製造法。
- 前記第1触媒存在下でのエチレンと一酸化炭素と水素との前記反応工程が、70℃から120℃の反応温度であることを特徴とする、請求項5から8のいずれか1項に記載の製造法。
- 前記第1触媒存在下でのエチレンと一酸化炭素と水素との前記反応工程が、101.3kPaから303.9kPaの自発生圧力(autogeneous pressure)であることを特徴とする、請求項5から9のいずれか1項に記載の製造法。
- 前記第1触媒存在下でのエチレンと一酸化炭素と水素との前記反応工程が、790kPaから20785kPaの反応圧力であることを特徴とする、請求項1から10のいずれか1項に記載の製造法。
- ホルムアルデヒドを、プロピオンアルデヒドに対して1.5:1から1:1のモル比で加える工程を更に含むことを特徴とする、請求項1から11のいずれか1項に記載の製造法。
- 前記第2触媒が、
パラジウム、ロジウム、およびルテニウムの少なくとも1つと、
鉛、水銀、タリウム、金、銅、銀、カドミウム、亜鉛、インジウム、スズ、アンチモン、およびビスマスの少なくとも1つと、
を含む不均一系触媒を含むことを特徴とする、請求項1から12のいずれか1項に記載の製造法。 - 前記第2触媒がパラジウムと金を含むことを特徴とする、請求項1から13のいずれか1項に記載の製造法。
- 前記第2触媒がパラジウムと鉛を含むことを特徴とする、請求項1から14のいずれか1項に記載の製造法。
- パラジウムと鉛のモル比が3:1であることを特徴とする、請求項15に記載の製造法。
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WO2014116588A1 (en) | 2014-07-31 |
KR20150107762A (ko) | 2015-09-23 |
US20160068465A1 (en) | 2016-03-10 |
BR112015017306A2 (pt) | 2017-07-11 |
AR094543A1 (es) | 2015-08-12 |
CN104936940A (zh) | 2015-09-23 |
US20140206897A1 (en) | 2014-07-24 |
CN104936940B (zh) | 2018-12-21 |
CA2896634C (en) | 2020-06-02 |
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