序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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81 | PROCESS FOR PREPARING 3-METHYLCYCLOPENTADECANE-1,5-DIOL | EP16767278.1 | 2016-09-20 | EP3353141B1 | 2019-11-06 | BRU ROIG, Miriam; RUEDENAUER, Stefan |
82 | PROCEDE DE SYNTHESE D'ACROLEINE A PARTIR DE GLYCEROL | EP08863492.8 | 2008-12-16 | EP2220020A1 | 2010-08-25 | DUBOIS, Jean-Luc |
The invention provides a technology for producing acrolein from glycerol while maintaining high reagent partial pressures, which leads to a higher yield. The invention more particularly relates to a method for producing acrolein from glycerol that comprises the intermediate step of forming glycerol and acrolein cyclic acetals. | ||||||
83 | Process for the preparation of bicyclic diketone salts | EP03008205.1 | 2003-04-08 | EP1352890A1 | 2003-10-15 | Schneider, Hermann, c/o Syngenta Crop. Prot. AG; Lüthy, Christoph, c/o Syngenta Crop. Prot. AG |
The present invention relates to a process for the preparation of bicyclic 1,3-diketone salts of formula I
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84 | Propellane | EP91113762.8 | 1991-08-16 | EP0472123B1 | 1994-05-04 | Fráter, Georg; Helmlinger, Daniel |
85 | Propellane | EP91113762.8 | 1991-08-16 | EP0472123A1 | 1992-02-26 | Fráter, Georg; Helmlinger, Daniel |
Verbindungen der Formel
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86 | Acetale sowie Verfahren zur deren Herstellung | EP89109311.4 | 1989-05-24 | EP0344585A1 | 1989-12-06 | Günther, Klaus, Dr. |
Die Erfindung betrifft Acetale der Formel CH₃-CO-CH=C(OR)₂, wobei R = - (CH₂)n-OR′ mit n = 2 oder 3 und R′ = C₁-C₅-Alkyl ist. Weiter betrifft die Erfindung ein Verfahren zur Herstellung von Acetalen der Formel CH₃-CO-CH=C(OR)₂, wobei R = C₁-C₁₂-Alkyl oder R = - (CH₂)n-OR′ mit n = 2 oder 3 und R′ = C₁-C₅-Alkyl ist. Das Verfahren besteht darin, daß man Diketen in Gegenwart eines sauren Katalysators mit einem Alkohol der Formel ROH umsetzt, wobei R die angegebene Bedeutung hat. |
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87 | Process for the preparation of muscone; the intermediate pyranic compounds | EP79105000 | 1979-12-07 | EP0012390A3 | 1980-11-12 | Schulte-Elte, Karl-Heinrich; Hauser, Arnold; Ohloff, Günther |
88 | フェニルケトンの調製方法 | JP2023511801 | 2021-08-16 | JP7441378B2 | 2024-02-29 | マイヤーヘーファー,ウルリヒ; キルヒナー,エーファ; メームケン,ファビアン; ジラール,クリストフ; レヒナー,カイ; ポーネスキュー,エミーリア |
89 | 過酸化物混合物の連続クエンチのためのフロースルー反応器およびそれを含む方法 | JP2018566851 | 2017-06-21 | JP7028457B2 | 2022-03-02 | パトリック・フォリー; アレクサンドル・シャポー; アントニオ・ミリーチャ; イチリオ・アダミ |
90 | フェノール誘導体の製造方法 | JP2017023577 | 2017-02-10 | JP2017145244A | 2017-08-24 | 渡辺 隆司; 中村 正治; 高谷 光; 勝山 勇; 福田 健治 |
【課題】リグニン含有材料から特定のフェノール誘導体を選択的に得ることが可能なフェノール誘導体の製造方法を提供する。 【解決手段】溶媒中に、リグニン含有材料と、金属触媒と、酸触媒と、を含む溶液に、マイクロ波を照射する、フェノール誘導体の製造方法を選択する。 【選択図】なし |
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91 | トレプロスチニルおよびその誘導体の調製のための向上したプロセス | JP2015513152 | 2013-05-22 | JP2015522545A | 2015-08-06 | ジェイン,ナレッシュクマール・エフ.; カーカップ,マイケル・ピー.; マレーラ,マイケル・エイ.; ゴーン,サンジバニ・エイ. |
トレプロスチニルおよびその誘導体の調製のための向上した方法を記載する。先行技術とは対照的に、この方法は、これらの化合物を作るための重要な中間体の容易に規模を変更できる酵素的分割を利用する。先行する方法を超える記載される方法の別の重要な向上は5−アリルオキシ−ベンズアルデヒド前駆体の位置選択的クライゼン転位であり、それは2位のブロモ置換基により促進される。【選択図】なし | ||||||
92 | Method for producing a trifluoromethyl-substituted 2-alkoxy acetophenone derivatives | JP2002261160 | 2002-09-06 | JP4278938B2 | 2009-06-17 | 憲人 伊野宮; 隆史 大塚; 学 安本; 克 栗山; 浩司 植田; 章央 石井; 正富 金井 |
93 | Production method of 1-indanones | JP2003334473 | 2003-09-26 | JP4147302B2 | 2008-09-10 | 茂 島田; 冬梅 崔 |
94 | Method for producing bicyclic diketone salt | JP2003104191 | 2003-04-08 | JP2004002372A | 2004-01-08 | SCHNEIDER HERMANN; LUETHY CHRISTOPH |
<P>PROBLEM TO BE SOLVED: To provide a new method for producing bicyclic 1,3-diketone salts, enabling economical production of these high-quality salts in a high yield. <P>SOLUTION: The method for producing the compound represented by formula (I) (wherein R<SB>1</SB>, R<SB>2</SB>, R<SB>3</SB>and R<SB>4</SB>are each independent from others and they are each hydrogen or a 1-4C alkyl; A and E are each mutually independent and they are each a 1-2C alkylene which can be substituted with a 1-4C alkyl group once to four times; M<SP>+</SP>is an alkali metal ion, an alkaline earth metal ion or ammonium ion) comprises oxidizing a compound represented by formula (II) to prepare a compound represented by formula (III) and producing the compound represented by formula (I) and a new bicyclic enol lactone intermediate to the compound of formula (III) used in the process in the presence of a base and a catalytic amount of a cyanide or an alkali metal alcoholate or an alkaline earth metal alcoholate by the subsequent conversion reaction. <P>COPYRIGHT: (C)2004,JPO | ||||||
95 | Method for producing cyclic diketone | JP2003104164 | 2003-04-08 | JP2003313161A | 2003-11-06 | SCHNEIDER HERMANN; LUETHY CHRISTOPH; EDMUNDS ANDREW |
PROBLEM TO BE SOLVED: To provide a new method for producing a cyclic 1,3-diketone derivative carbonylated at 2 position. SOLUTION: This method for producing the cyclic 1,3-diketone derivative represented by formula (I) (wherein substituent groups are defined in a claim 1) comprises converting a compound represented by formula (II) to a salt represented by formula (III), reacting the compound (III) with a compound represented by the formula (IV): X-C(O)-Q (wherein X is an eliminable group) to obtain a compound represented by formula (V) and treating the compound (V) with a catalytic amount of a cyanide ion in the presence of a base. COPYRIGHT: (C)2004,JPO | ||||||
96 | Method for producing cyclododecanone and cyclododecanol | JP2000227164 | 2000-07-27 | JP2002047221A | 2002-02-12 | KURODA NOBUYUKI; NAKAMURA TAKAHITO |
PROBLEM TO BE SOLVED: To provide a method for producing cyclododecanone and cyclododecanol by reducing 1,2-epoxy-5,9-cyclododecadiene with hydrogen, by which cyclododecanone and cyclododecanol are produced in high yields. SOLUTION: The method for producing cyclododecanone and cyclododecanol, comprises bringing the epoxycyclododecane compound into contact with hydrogen in the presence of a solid catalyst comprising a platinum group metal carried on a carrier, and is characterized by adding the first transition metal salt soluble in a reaction solvent to react the compounds. COPYRIGHT: (C)2002,JPO | ||||||
97 | Method for producing cycloalkanol and cycloalkanone | JP2000227163 | 2000-07-27 | JP2002047220A | 2002-02-12 | MATSUZAKI TOKUO; NAKAMURA YASUO; YAMAZAKI OSAMU |
PROBLEM TO BE SOLVED: To provide a method for producing a cycloalkanol and a cycloalkanone from the corresponding 6 to 12-membered epoxycycloalkane and hydrogen gas, by which the cycloalkanol and the cycloalkanone are industrially produced in high yields in a catalyst-reusable state. SOLUTION: The method for producing the cycloalkanol and the cycloalkanone, comprising bringing the corresponding 6 to 12-membered epoxycycloalkane into contact with hydrogen gas in the presence of a nickel catalyst, is characterized by allowing 10 to 90 wt.% of an alcohol to exist in the reaction system. COPYRIGHT: (C)2002,JPO | ||||||
98 | Method for producing both of cyclododecanone and cyclododecanol | JP2000100500 | 2000-04-03 | JP2001172211A | 2001-06-26 | KURODA NOBUYUKI; SHIRAISHI HIROSHI; NAKAMURA TAKAHITO |
PROBLEM TO BE SOLVED: To provide method for producing both of cyclododecanone and cyclododecanol in a one-step process and also in a high yield by bringing epoxycyclododecanes into contact with hydrogen in the presence of a platinum group catalyst. SOLUTION: This method for producing both of cyclododecanone and cyclododecanol features contacting epoxycyclododecanes with hydrogen in the presence of a platinum group catalyst where (a) a platinum group metal and (b) at least one element selected from the group consisting of group VIII, Ib, IIb, IIIb, IVb, Vb, VIb and VIIb elements and lanthanoid elements or compounds thereof as a cocatalyst are supported by a carrier. | ||||||
99 | Production of optically active synthetic intermediate | JP26514396 | 1996-09-13 | JPH1087547A | 1998-04-07 | FUJISAWA TAMOTSU; SHIMIZU MAKOTO |
PROBLEM TO BE SOLVED: To make it possible to obtain the subject compound useful for synthesizing natural products with good yield, by reacting (R)-β-trichloromethyl-β- propiolactone with a Grignard reagent or a lithium reagent. SOLUTION: (A) (R)-β-Trichloromethyl-β-propiolactone of formula I is reacted with (B) a Grignard reagent such as phenylmagnesium bromide, phenylmagnesium chloride or phenethylmagnesium bromide or a lithium reagent such as phenyl-lithium in (C) a solvent, e.g. diethyl ether, dimethoxyethane or tetrahydrofuran at -78 to -50 deg.C reactional temperature to afford a compound formula II [R<1> is a group of the formula Ph(CH2 )n (Ph is phenyl; (n) is 0-2)]. | ||||||
100 | Production of ketoaldehyde | JP22451696 | 1996-08-07 | JPH1045660A | 1998-02-17 | FUKAWA HIDEMICHI; CHIBA MITSUO; MURAKAMI RURIKO |
PROBLEM TO BE SOLVED: To provide a method for producing a ketoaldehyde, enabling to obtain the ketoaldehyde useful as an intermediate in the fields of medicines, perfumes, etc., in a high yield by simple operations by reducing a specific unsaturated lactone with a metal hydride reducing agent. SOLUTION: (A) A compound of formula I [R2 is (substituted) (un)saturated hydrocarbon group, a (substituted) alicyclic hydrocarbon group, a (substituted) aromatic hydrocarbon group; R1 is H, R2 ; (n) is 1-3] is reduced with (C) a metal hydride reducing agent such as diisobutylaluminum hydride or sodium dimethoxyethoxyaluminum hydride in (B) an organic solvent such as toluene, tetrahydrofuran or n-hexane e.g. in an inert atmosphere at a temperature of -20 to -78 deg.C to obtain the objective compound of formula II. |