WO2016035609A1 - 2-アミノ置換ベンズアルデヒド化合物を製造する方法 - Google Patents
2-アミノ置換ベンズアルデヒド化合物を製造する方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C223/00—Compounds containing amino and —CHO groups bound to the same carbon skeleton
- C07C223/06—Compounds containing amino and —CHO groups bound to the same carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C221/00—Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B51/00—Introduction of protecting groups or activating groups, not provided for in the preceding groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
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- 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
- C07D317/14—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/16—Radicals substituted by halogen atoms or nitro radicals
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- 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
- C07D317/14—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/28—Radicals substituted by nitrogen atoms
Definitions
- the present invention relates to a process for producing 2-amino substituted benzaldehyde compounds.
- Patent Document 1 discloses a method for producing a 2-aminobenzaldehyde compound by reacting triazanonane with an acid (see formula (1)).
- Patent Document 2 discloses 3-fluoro-4-chloro-6-aminobenzaldehyde. This compound appears to be obtained by catalytic hydrogen reduction of 3-fluoro-4-chloro-6-nitrobenzaldehyde with a platinum-containing catalyst or ruthenium-containing catalyst in an organic solvent under pressure.
- Patent Document 3 discloses a method for producing a 2-amino-3-methoxybenzaldehyde derivative.
- 2-Amino-3-halogeno-benzaldehyde or 2-amino-3-alkoxy-benzaldehyde is a compound having an unstable structure in which a formyl group, an amino group, and a halogeno group or an alkoxy group are substituted side by side on a benzene ring. .
- the compound tends to cause intermolecular condensation. Therefore, it is difficult to obtain 2-amino-3-halogeno-benzaldehyde or 2-amino-3-alkoxy-benzaldehyde in a high yield under mild conditions.
- An object of the present invention is to provide a method for producing a 2-amino-substituted benzaldehyde compound (see formula (III)) in a high yield under mild conditions.
- R 3 is a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- a benzaldehyde (hereinafter sometimes referred to as 2-unsubstituted benzaldehyde (I-1)) in which a group or a cyano group is independently bonded to the 4-position, 5-position and 6-position, Protecting the formyl group in 2-unsubstituted benzaldehyde (I-1) with acetal; Position 2, sequentially lithiated, azidated, and aminated, Then including acetal deprotection, An amino group is bonded to the 2-position, a halogeno group or an alkoxy group is bonded to the 3-position, and a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group, or a cyano group is independently bonded to the 4-position, 5-position, and 6-position, respectively.
- 2-unsubstituted benzaldehyde (I-1)) in which a group or a cyano group is independently bonded to the 4-position, 5-position and 6-position,
- a benzaldehyde (hereinafter sometimes referred to as 2-unsubstituted benzaldehyde (I-2)) in which a group or a cyano group is independently bonded to the 4-position, 5-position and 6-position, Protecting the formyl group in 2-unsubstituted benzaldehyde (I-2) with acetal; Position 2, in turn, borated, azidized, and aminated, Then including acetal deprotection, An amino group is bonded to the 2-position, a halogeno group or an alkoxy group is bonded to the 3-position, and a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group, or a cyano group is independently bonded to the 4-position, 5-position, and 6-position, respectively.
- 2-unsubstituted benzaldehyde (hereinafter sometimes referred to as 2-unsubstituted benzaldehyde (I-2)) in which a
- R 3 is a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- R 4 is a hydrogen atom
- R 5 is a hydrogen atom, an alkyl group or a cyano group.
- R 5 is a hydrogen atom
- at least one of R 4 and R 6 is a hydrogen atom, an alkyl group, or a cyano group.
- R 6 is a hydrogen atom
- R 5 is a hydrogen atom, an alkyl group or a cyano group.
- X 3 and X 4 are each independently a halogeno group.
- the 2-amino-3,4-dihalobenzaldehyde of the present invention (see formula (III-1)) is a novel compound.
- the 2-amino-3,4-dihalobenzaldehyde of the present invention is useful as an intermediate for producing agricultural medicine.
- a 2-amino-substituted benzaldehyde compound (see formula (III)) useful as an intermediate for producing agricultural drugs such as 2-amino-3,4-dihalobenzaldehyde is obtained in high yield. be able to.
- the 2-amino-substituted benzaldehyde compound obtained by the production method of the present invention has an amino group bonded to the 2-position, a halogeno group or an alkoxy group bonded to the 3-position, and a hydrogen atom, alkyl group, halogeno group, alkoxy group or cyano Benzaldehyde in which the groups are independently bonded to the 4-position, 5-position and 6-position, respectively.
- the 2-amino substituted benzaldehyde compound is a compound represented by the formula (III).
- R 3 is a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- the compound represented by formula (III-1) is a novel compound.
- X 3 and X 4 are each independently a halogeno group.
- the compound represented by the formula (III) is useful as an intermediate for producing agricultural medicine.
- the 2-unsubstituted benzaldehyde (I-1) used in the present invention has the halogeno group or alkoxy group bonded to the 3-position, the hydrogen atom bonded to the 2-position, and the lithiation reaction most active at the 2-position.
- a benzaldehyde in which a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group is independently bonded to the 4-position, 5-position and 6-position, respectively. Specifically, it is a compound represented by the formula (I-1).
- Formula (I-1) and R 3 are a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- 2-Unsubstituted benzaldehyde (I-1) preferably used in the present invention is a compound represented by the formula (I-12).
- R 3 is a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- R 4 is a hydrogen atom
- R 5 is a hydrogen atom, an alkyl group or a cyano group.
- R 5 is a hydrogen atom
- at least one of R 4 and R 6 is a hydrogen atom, an alkyl group, or a cyano group.
- R 6 is a hydrogen atom
- R 5 is a hydrogen atom, an alkyl group or a cyano group.
- benzaldehyde (I-1) for example, a halogeno group or an alkoxy group is bonded to the 3-position, a hydrogen atom is bonded to the 2-position, and the lithiation reaction is most active at the 2-position.
- the acetal protection of the formyl group in 2-unsubstituted benzaldehyde (I-1) can be performed by a known method.
- the method of making diol react on acidic conditions is mentioned.
- 1,2-diol such as ethylene glycol
- 1,3-diol such as 1,3-propanediol
- a monohydric alcohol having 1 to 6 carbon atoms is also preferably used.
- monohydric alcohols having 1 to 6 carbon atoms monohydric alcohols having 1 to 3 carbon atoms are more preferably used, and methanol, ethanol and the like are more preferably used.
- This reaction is often used to protect the carbonyl group. Since this reaction is a reversible reaction, in order to complete the reaction, it is preferable to use an excessive amount of diol or monohydric alcohol or to remove by-product water.
- the 2-position lithiation, azination, and amination and acetal deprotection can be performed by known methods.
- Lithiation can be performed, for example, by allowing an organolithium compound such as n-butyllithium to act.
- Azination can be performed by, for example, reacting an azide compound such as tosyl azide.
- the amination can be performed, for example, by a reduction reaction in the presence of a palladium catalyst.
- Acetal deprotection can be performed, for example, by adding water.
- a diol is reacted with a 3,4-disubstituted benzaldehyde to obtain a 3,4-disubstituted phenyl-cyclic acetal, which is lithiated and then added to an azimuth.
- (2-azido-3,4-disubstituted phenyl) -cyclic acetal is reacted to reduce the (2-azido-3,4-disubstituted phenyl) -cyclic acetal (2-amino -3,4-disubstituted phenyl) -cyclic acetal is obtained, followed by elimination of the diol from the (2-amino-3,4-disubstituted phenyl) -cyclic acetal (see formula (C)) A method is mentioned.
- R 3 and R 4 are substituents.
- the substituent is preferably inactive or low-active with respect to the diol, azide and reducing agent.
- the substituent is preferably a halogeno group, more preferably a fluoro group.
- 3,4-disubstituted benzaldehyde a commercially available product or a product produced by a method known to those skilled in the art can be used.
- 3,4-difluorobenzaldehyde can be obtained by brominating 1,2-difluorobenzene to give 4-bromo-1,2-difluorobenzene, which is reacted with carbon monoxide, or 1,2- It can be obtained by reacting difluorobenzene with sodium chloride, sulfuric acid, and paraformaldehyde to give 4-chloromethyl-1,2-difluorobenzene, and then reacting it with hydrogen peroxide.
- the reaction between 3,4-disubstituted benzaldehyde and diol is preferably performed under acidic conditions.
- diol 1,2-diol such as ethylene glycol and 1,3-diol such as 1,3-propanediol are preferably used. This reaction is often used to protect the carbonyl group. Since this reaction is a reversible reaction, in order to complete the reaction, it is preferable to use an excessive amount of diol or to remove by-product water.
- the position 2 is lithiated by the action of a base such as n-BuLi.
- a base such as n-BuLi.
- an azide group is introduced into the benzene ring by a nucleophilic substitution reaction with an azizing agent such as toluenesulfonyl azide or trifluoromethanesulfonyl azide.
- the azide group is preferentially introduced at the 2-position.
- (2-Azido-3,4-disubstituted phenyl) -cyclic acetal can be reacted with hydrogen gas in the presence of a palladium catalyst, or with a reducing agent such as lithium aluminum hydride or a phosphorus compound, to produce an azide group Can be an amino group.
- 2-unsubstituted benzaldehyde (I-2) is prepared, and a formyl group in 2-unsubstituted benzaldehyde (I-2) is prepared.
- a method comprising acetal protection, sequential 2-position boration, azidation, and amination followed by acetal deprotection.
- the 2-unsubstituted benzaldehyde (I-2) used in the present invention has a halogeno group or an alkoxy group bonded to the 3-position, a hydrogen atom bonded to the 2-position, and the boronation reaction being most active at the 2-position.
- a benzaldehyde in which a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group is independently bonded to the 4-position, 5-position and 6-position, respectively.
- it is a compound represented by the formula (I-2).
- R 3 represents a halogeno group or an alkoxy group.
- R 4 , R 5 and R 6 are each independently a hydrogen atom, an alkyl group, a halogeno group, an alkoxy group or a cyano group.
- 2-Unsubstituted benzaldehyde (I-2) preferably used in the present invention is a compound represented by the formula (I-12).
- 2-Unsubstituted benzaldehyde (I-2) can be produced by the same method as 2-unsubstituted benzaldehyde (I-1).
- the acetal protection of the formyl group in 2-unsubstituted benzaldehyde (I-2) can be performed by the same method as described in the first embodiment.
- the 2-position boronation, azination, amination and acetal deprotection can be carried out by known methods. Boronation can be performed, for example, by acting a borate reactant. Azination can be carried out, for example, by reacting an azide compound such as tosyl azide.
- the amination can be performed, for example, by a reduction reaction in the presence of a palladium catalyst.
- Acetal deprotection can be performed, for example, by adding water.
- 3,4-disubstituted benzaldehyde is reacted with diol to obtain 3,4-disubstituted phenyl-cyclic acetal, and the 3,4-disubstituted phenyl- A borate reactant is allowed to act on the cyclic acetal to obtain (2-dihydroxyboryl-3,4-disubstituted phenyl) -cyclic acetal, and the (2-dihydroxyboryl-3,4-disubstituted phenyl) -cyclic acetal is added with an azide.
- the agent is reacted and reduced to give a (2-amino-3,4-disubstituted phenyl) -cyclic acetal, and then the diol from the (2-amino-3,4-disubstituted phenyl) -cyclic acetal
- a method including desorption can be mentioned.
- the substituents at the 3- and 4-positions are preferably inactive or low-active with respect to the diol, boration agent, azidating agent and reducing agent.
- the substituent is preferably a halogeno group, more preferably a fluoro group.
- the production method of the second embodiment is different from that of the first embodiment in that 3,4-disubstituted phenyl-cyclic acetal is boronated instead of lithiated.
- the borate reactant is a substance composed of organolithium such as n-BuLi and trialkoxyborane. This reaction produces (2-dihydroxyboryl-3,4-disubstituted phenyl) -cyclic acetals.
- Example 2 Production of 2-amino-3,4-difluorobenzaldehyde 2-Amino-3,4-difluorobenzaldehyde was produced in the same manner as in Example 1 except that Step 2 was carried out by the flow reaction described below. .
- the flow rate of the pump was set so that the residence time of the mixed solution was 30 seconds and n-butyllithium was 1.1 equivalent to the substrate.
- the precooling part and lithiation residence part of the flow reactor were cooled to ⁇ 30 ° C., and the liquid A and B liquids were simultaneously fed. After the liquid was fed until the liquid mixture of liquid A and liquid B flowed out, the liquid feeding was temporarily stopped.
- a reaction vessel containing 22.5 mL (15.2 mmol) of a 15% tosyl azide toluene solution was cooled to 0 ° C. under a nitrogen stream, and a flow reactor was connected thereto, and liquid feeding was started again.
- a 2-amino-substituted benzaldehyde compound useful as an intermediate for producing agricultural drugs such as 2-amino-3,4-dihalobenzaldehyde can be obtained in high yield. Therefore, the present invention is extremely useful industrially.
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Abstract
Description
本願は、2014年9月1日に、日本に出願された特願2014-177563号に基づき優先権を主張し、その内容をここに援用する。
例えば、特許文献1は、トリアザノナンと酸とを反応させて、2-アミノベンズアルデヒド化合物を製造する方法(式(1)参照)を開示している。
2-非置換ベンズアルデヒド(I-1)中のホルミル基をアセタール保護し、
2位を、順次、リチオ化、アジ化、およびアミノ化し、
次いで、アセタール脱保護することを含む、
アミノ基が2位に結合し、ハロゲノ基またはアルコキシ基が3位に結合し且つ水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒドを製造する方法。
2-非置換ベンズアルデヒド(I-2)中のホルミル基をアセタール保護し、
2位を、順次、ホウ素化、アジ化、およびアミノ化し、
次いで、アセタール脱保護することを含む、
アミノ基が2位に結合し、ハロゲノ基またはアルコキシ基が3位に結合し且つ水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒドを製造する方法。
R3はハロゲノ基またはアルコキシ基である。
R4、R5およびR6は、それぞれ独立に、水素原子、アルキル基、ハロゲノ基、アルコキシ基またはシアノ基である。
ただし、
R4が水素原子である場合、R5が水素原子、アルキル基またはシアノ基である。
R5が水素原子である場合、R4またはR6のいずれか少なくとも一方が水素原子、アルキル基またはシアノ基である。
R6が水素原子である場合、R5が水素原子、アルキル基またはシアノ基である。〕
本発明の第一実施形態に係る2-アミノ置換ベンズアルデヒド化合物を製造する方法は、2-非置換ベンズアルデヒド(I-1)を用意し、 2-非置換ベンズアルデヒド(I-1)中のホルミル基をアセタール保護し、 2位を、順次、リチオ化、アジ化、およびアミノ化し、 次いで、アセタール脱保護することを含む方法である。
R3はハロゲノ基またはアルコキシ基である。
R4、R5およびR6は、それぞれ独立に、水素原子、アルキル基、ハロゲノ基、アルコキシ基またはシアノ基である。
ただし、
R4が水素原子である場合、R5が水素原子、アルキル基またはシアノ基である。
R5が水素原子である場合、R4またはR6のいずれか少なくとも一方が水素原子、アルキル基またはシアノ基である。
R6が水素原子である場合、R5が水素原子、アルキル基またはシアノ基である。〕
本発明の第二実施形態に係る2-アミノ置換ベンズアルデヒド化合物を製造する方法は、2-非置換ベンズアルデヒド(I-2)を用意し、2-非置換ベンズアルデヒド(I-2)中のホルミル基をアセタール保護し、 2位を、順次、ホウ素化、アジ化、およびアミノ化し、 次いで、アセタール脱保護することを含む方法である。
(工程1)2-(3,4-ジフルオロフェニル)-1,3-ジオキソランの製造
得られた化合物の1H-NMR分析結果は以下の通りであった。
1H-NMR(400MHz,CDCl3)δ7.33-7.12(m,3H),5.75(s,1H),4.12-4.00(m,4H).
窒素気流下、2-(3,4-ジフルオロフェニル)-1,3-ジオキソラン1.93g(純度96.1%、9.96mmol)をトルエン20mLに溶解させた。反応液を-78℃に冷却した。これに、N,N,N’,N’-テトラメチルエチレンジアミン1.65mL(11.1mmol)を添加し、次いでn-ブチルリチウム 1.6Mヘキサン溶液6.9mL(11.0mmol)を8分かけて滴下した。-78℃で1時間撹拌した。
その後、トシルアジド15%トルエン溶液22.5mL(15.2mmol)を5分かけて滴下し、反応溶液を0℃まで昇温して1時間撹拌した。水50mLを加え、トルエン相を分離した。トルエン相から水20mLで生成物を抽出した。水相を集め合わせ、酢酸エチル20mLで4回抽出した。酢酸エチル相を集め合わせ、飽和食塩水20mLで洗浄し、硫酸マグネシウムで乾燥させ、ろ過した。ろ液をHPLCで定量分析した結果、2-(2-アジド-3,4-ジフルオロフェニル)-1,3-ジオキソランの生成率は83.7%だった。
得られた化合物の1H-NMR分析結果は以下の通りであった。
1H-NMR(400MHz,CDCl3)δ7.03-6.99(m,1H),6.53-6.47(m,1H),5.78(s,1H),4.40(br,2H),4.13-4.03(m,4H).
得られた化合物の1H-NMR分析結果は以下の通りであった。
1H-NMR(400MHz,CDCl3)δ9.82(d,J=1.6Hz,1H),7.30-7.26(m,1H),6.58-6.52(m,1H),6.30(br,2H).
工程2を以下に記すフロー反応で行った以外は実施例1と同じ方法で2-アミノ-3,4-ジフルオロベンズアルデヒドを製造した。
50mLメスフラスコに2-(3,4-ジフルオロフェニル)-1,3-ジオキソラン4.14g(純度96.0%、21.2mmol)、N,N,N’,N’-テトラメチルエチレンジアミン2.72g(23.4mmol)を量りとり、トルエンで50mLにメスアップした溶液を調製した(A液とする)。
A液、およびn-ブチルリチウム1.6Mヘキサン溶液(B液とする)をそれぞれ50mLガスタイトシリンジで吸引し、シリンジポンプにセットして、フローリアクタに接続した。ポンプの流量は、混合液の滞留時間が30秒間、n-ブチルリチウムが基質に対して1.1当量となるように設定した。フローリアクタの予冷部、リチオ化滞留部を-30℃に冷却し、A液およびB液の送液を同時に開始した。A液とB液の混合液が流出するまで送液した後、一旦送液を停止した。トシルアジド15%トルエン溶液22.5mL(15.2mmol)が入った反応容器を窒素気流下、0℃に冷却し、そこにフローリアクタを接続して再び送液を開始した。A液を23.54mL(基質10.0mmol)送液したところでA液、B液両方の送液を停止した。B液の送液量は6.883mL(n-ブチルリチウム11.0mmol)であった。
その後、0℃で1時間撹拌した。水50mLを加え、トルエン相を分離した後、水20mLで生成物を抽出した。水相を集め合わせ、酢酸エチル20mLで4回抽出した。酢酸エチル相を集め合わせ、飽和食塩水20mLで洗浄し、硫酸マグネシウムで乾燥させ、ろ過した。ろ液をHPLCで定量分析した結果、2-(2-アジド-3,4-ジフルオロフェニル)-1,3-ジオキソランの生成率は94.1%だった。
得られた化合物の1H-NMR分析結果は以下の通りであった。
1H-NMR(400MHz,CDCl3)δ7.30(ddd,J=8.8, 6.0,2.4Hz,1H),6.95(dt,J=8.8,7.2Hz,1H),5.96(s,1H),4.15-4.02(m,4H).
Claims (4)
- ハロゲノ基またはアルコキシ基が3位に結合し、 水素原子が2位に結合し、且つ リチオ化反応が2位にて最も活性となるように、水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒド(以下、2-非置換ベンズアルデヒド(I-1)という。)を用意し、
2-非置換ベンズアルデヒド(I-1)中のホルミル基をアセタール保護し、
2位を、順次、リチオ化、アジ化、およびアミノ化し、
次いで、アセタール脱保護することを含む、
アミノ基が2位に結合し、ハロゲノ基またはアルコキシ基が3位に結合し且つ水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒドを製造する方法。 - ハロゲノ基またはアルコキシ基が3位に結合し、 水素原子が2位に結合し、且つ ホウ素化反応が2位にて最も活性となるように、水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒド(以下、2-非置換ベンズアルデヒド(I-2)という。)を用意し、
2-非置換ベンズアルデヒド(I-2)中のホルミル基をアセタール保護し、
2位を、順次、ホウ素化、アジ化、およびアミノ化し、
次いで、アセタール脱保護することを含む、
アミノ基が2位に結合し、ハロゲノ基またはアルコキシ基が3位に結合し且つ水素原子、アルキル基、ハロゲノ基、アルコキシ基若しくはシアノ基が4位、5位および6位にそれぞれ独立に結合しているベンズアルデヒドを製造する方法。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2306919A1 (de) * | 1973-02-13 | 1974-08-15 | Bayer Ag | Verfahren zur herstellung von aminochlor-benzaldehyden |
JP2003503495A (ja) * | 1999-06-30 | 2003-01-28 | アベンテイス・フアルマ・ソシエテ・アノニム | 新規なベンゾ[f]ナフチリジン誘導体、それらの製造およびそれらを含む組成物 |
CN103030568A (zh) * | 2011-10-08 | 2013-04-10 | 侯召羽 | 氨基香兰素的合成工艺 |
JP2013237648A (ja) * | 2012-05-16 | 2013-11-28 | Mitsui Chemicals Agro Inc | 3−シアノキノリン誘導体の製造方法 |
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DE4142173A1 (de) | 1991-12-20 | 1993-06-24 | Basf Ag | Verfahren zur herstellung von 2-aminobenzaldehyden |
JP3577775B2 (ja) | 1995-04-14 | 2004-10-13 | 宇部興産株式会社 | 4,5−ジハロアニリン誘導体およびその製造方法 |
JP2000007627A (ja) | 1998-06-19 | 2000-01-11 | Tosoh Corp | ホルミルトリアリールアミンの製造方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2306919A1 (de) * | 1973-02-13 | 1974-08-15 | Bayer Ag | Verfahren zur herstellung von aminochlor-benzaldehyden |
JP2003503495A (ja) * | 1999-06-30 | 2003-01-28 | アベンテイス・フアルマ・ソシエテ・アノニム | 新規なベンゾ[f]ナフチリジン誘導体、それらの製造およびそれらを含む組成物 |
CN103030568A (zh) * | 2011-10-08 | 2013-04-10 | 侯召羽 | 氨基香兰素的合成工艺 |
JP2013237648A (ja) * | 2012-05-16 | 2013-11-28 | Mitsui Chemicals Agro Inc | 3−シアノキノリン誘導体の製造方法 |
Non-Patent Citations (4)
Title |
---|
DATABASE REGISTRY [o] 11 May 2014 (2014-05-11), XP055418282, retrieved from STN Database accession no. 1602097-79-9 * |
DATABASE REGISTRY [o] 11 May 2014 (2014-05-11), XP055418288, retrieved from STN Database accession no. 1602359-03-4 * |
DATABASE REGISTRY [o] 6 May 2014 (2014-05-06), XP055418284, retrieved from STN Database accession no. 1598290-52-8 * |
DATABASE REGISTRY [o] 8 June 2008 (2008-06-08), XP055418286, retrieved from STN Database accession no. 1026338-21-5 * |
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