JP2011111545A - Gelling agent having dialkylsulfamide derivative - Google Patents

Gelling agent having dialkylsulfamide derivative Download PDF

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JP2011111545A
JP2011111545A JP2009269938A JP2009269938A JP2011111545A JP 2011111545 A JP2011111545 A JP 2011111545A JP 2009269938 A JP2009269938 A JP 2009269938A JP 2009269938 A JP2009269938 A JP 2009269938A JP 2011111545 A JP2011111545 A JP 2011111545A
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gelling agent
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Koji Araki
孝二 荒木
Isao Yoshikawa
功 吉川
Nobutada Maeda
信忠 前田
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University of Tokyo NUC
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a gelling agent that has a gelling ability for various kinds of solvents. <P>SOLUTION: The gelling agent has a dialkylsulfamide derivative represented by formula I [wherein R<SB>1</SB>and R<SB>2</SB>each independently represent a group selected from the group consisting of (a) -n-C<SB>n</SB>H<SB>2n+1</SB>(in the formula, n represents an integer of 10 to 16); (b) -(CH<SB>2</SB>)<SB>m</SB>-O-CH<SB>2</SB>-CH<SB>2</SB>-O-CH<SB>2</SB>-CH<SB>2</SB>-O-CH<SB>3</SB>(in the formula, m represents an integer of 3 to 9); (c) -CH<SB>2</SB>-ph-CH<SB>2</SB>-O-CH<SB>2</SB>-CH<SB>2</SB>-O-CH<SB>2</SB>-CH<SB>2</SB>-O-CH<SB>3</SB>(in the formula, ph represents a phenyl group which may be substituted); and (d) a group represented by formula d (in formula d, r represents an integer of 3 to 6)]. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、ジアルキルスルファミド誘導体を有するゲル化剤に関する。   The present invention relates to a gelling agent having a dialkylsulfamide derivative.

低分子ゲル化剤は、ゲル化剤分子が分子間力による自己組織化により集まった繊維が絡み合って3次元の網目状構造を作り、その中に溶媒分子を保持することで、溶媒を固定化する。このようにしてできる低分子ゲル化剤は油の固化による処理のような単純な利用法(例えば特許文献1を参照のこと)から、分離膜やセンサー、さらには、電子、バイオなど様々な分野での応用が期待されている。
ゲル化剤ごとにゲル化出来る溶媒は異なっており、様々な分子間相互作用が有効に働く非極性溶媒のみに作用するゲル化剤の報告が多い。
The low molecular gelling agent immobilizes the solvent by retaining the solvent molecules in the three-dimensional network structure, in which the fibers gathered by the self-organization of the gelling agent molecules are entangled. To do. The low molecular gelling agent thus produced can be used in various fields such as separation membranes, sensors, electronics, biotechnology, etc., from simple uses such as treatment by solidification of oil (see, for example, Patent Document 1). Application in is expected.
There are many reports of gelling agents that act only on non-polar solvents in which various intermolecular interactions work effectively, since the solvents that can be gelled differ for each gelling agent.

一方、通常のジアルキルスルファミドは、水素結合により強固なシート状構造を作ることが知られている(非特許文献1)。今まで報告されてきたジアルキルスルファミドは基本的に高い結晶性を有するため、有機溶媒中では沈殿が起こるのみであり、ゲルに関する報告は無かった。   On the other hand, ordinary dialkylsulfamides are known to form a strong sheet-like structure by hydrogen bonding (Non-patent Document 1). Since the dialkylsulfamides reported so far have basically high crystallinity, only precipitation occurs in an organic solvent, and there has been no report on gels.

特開2000−256303号公報。JP 2000-256303 A.

B. Gong et al., Org. Lett. 2000, 2, 3273。B. Gong et al., Org. Lett. 2000, 2, 3273.

しかしながら、種々の溶媒に対して、即ち極性溶媒に対しても非極性溶媒に対してもゲル化能を有するゲル化剤はないか、その報告がほとんどなく、そのようなゲル化剤が要望されている。
そこで、本発明の目的は、種々の溶媒に対して、ゲル化能を有するゲル化剤を提供することにある。
具体的には、本発明の目的は、種々の溶媒に対して、ゲル化能を有する、ジアルキルスルファミド誘導体を有するゲル化剤を提供することにある。
However, there are almost no reports of gelling agents having gelling ability with respect to various solvents, that is, polar solvents and nonpolar solvents, and such gelling agents are desired. ing.
Therefore, an object of the present invention is to provide a gelling agent having gelling ability with respect to various solvents.
Specifically, an object of the present invention is to provide a gelling agent having a dialkylsulfamide derivative having gelling ability with respect to various solvents.

本発明者らは、ジアルキルスルファミド誘導体について研究し、水素結合により形成されるシート状構造の表面に位置するアルキル鎖の形状や末端に導入する置換基を変化させることにより、結晶性を下げるとともに、シートの性質を変えて溶媒への親和性を制御することが可能となり、ゲル化剤として作用することが分かった。
即ち、本発明者らは、次の発明を見出した。
The present inventors have studied dialkylsulfamide derivatives and lowered the crystallinity by changing the shape of the alkyl chain located on the surface of the sheet-like structure formed by hydrogen bonding and the substituent introduced at the terminal. At the same time, it became possible to control the affinity for the solvent by changing the properties of the sheet and to act as a gelling agent.
That is, the present inventors have found the following invention.

<1> 下記式I
(式中、R及びRは、各々独立に、
a)−n-C2n+1(式中、nは10〜16、好ましくは12〜14の整数を示す);
b)−(CH−O−CH−CH−O−CH−CH−O−CH(式中、mは3〜9、好ましくは6〜8の整数を示す);
c)−CH−ph−CH−O−CH−CH−O−CH−CH−O−CH(式中、phは置換されてもよいフェニル基を示す);及び
d)式dで表される基(式d中、rは3〜6、好ましくは3の整数を示す);からなる群から選ばれる基である)
で表されるジアルキルスルファミド誘導体を有するゲル化剤。
<1> Formula I below
(Wherein R 1 and R 2 are each independently
a) -n-C n H 2n + 1 ( wherein, n 10 to 16, preferably an integer of 12 to 14);
b) — (CH 2 ) m —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 (wherein m represents an integer of 3 to 9, preferably 6 to 8);
c) —CH 2 —ph—CH 2 —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 wherein ph represents an optionally substituted phenyl group; and d A group represented by the formula d (in the formula d, r represents an integer of 3 to 6, preferably 3);
A gelling agent having a dialkylsulfamide derivative represented by the formula:

Figure 2011111545
Figure 2011111545

<2> 上記<1>において、ゲル化の対象溶媒が、水、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素、炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。   <2> In the above item <1>, the target solvent for gelation is water, a linear or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, or 5 to 12 carbon atoms, preferably a carbon number. A group consisting of 6 to 10 linear or branched aliphatic hydrocarbons, halogenated aliphatic hydrocarbons having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms, and aromatic hydrocarbons having 6 to 8 carbon atoms. It is good that it is 1 or more types chosen from.

<3> 上記<1>又は<2>において、R及びRの双方がa)の基であり、nが12〜14の整数であるのがよい。
この際、特に、ゲル化の対象溶媒が、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素、炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。
<3> In the above <1> or <2>, both R 1 and R 2 are groups a), and n may be an integer of 12-14.
In this case, in particular, the target solvent for gelation is a linear or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, or a straight chain having 5 to 12 carbon atoms, preferably 6 to 10 carbon atoms. Or one or more selected from the group consisting of branched aliphatic hydrocarbons, halogenated aliphatic hydrocarbons having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms, and aromatic hydrocarbons having 6 to 8 carbon atoms. It is good to be.

<4> 上記<1>又は<2>において、R及びRのうち一方がa)の基であり、他方がb)の基であり、nが12〜14の整数であり、mが6〜8の整数であるのがよい。特に、ゲル化の対象溶媒が、炭素数1〜12、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素からなる群から選ばれる1種以上であるのがよい。 <4> In the above <1> or <2>, one of R 1 and R 2 is the group a), the other is the group b), n is an integer of 12 to 14, and m is It is good that it is an integer of 6-8. In particular, the target solvent for gelation is a linear or branched alcohol having 1 to 12 carbon atoms, preferably 2 to 4 carbon atoms, or a linear or branched chain having 5 to 12 carbon atoms, preferably 6 to 10 carbon atoms. It is good that it is 1 or more types chosen from the group which consists of this aliphatic hydrocarbon.

<5> 上記<1>又は<2>において、R及びRのうち一方がa)の基であり、他方がc)の基であり、nが12〜14の整数であるのがよい。特に、ゲル化の対象溶媒が、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。 <5> In the above <1> or <2>, one of R 1 and R 2 is a group a), the other is a group c), and n is an integer of 12 to 14. . In particular, the target solvent for gelation is one selected from the group consisting of C1-C10, preferably C2-C4 linear or branched alcohols, and C6-C8 aromatic hydrocarbons. That is good.

<6> 上記<1>又は<2>において、R及びRの双方がc)の基であるのがよい。特に、ゲル化の対象溶媒が、炭素数6〜8の芳香族炭化水素であるのがよい。 <6> In the above item <1> or <2>, both R 1 and R 2 may be the group c). In particular, the target solvent for gelation is preferably an aromatic hydrocarbon having 6 to 8 carbon atoms.

<7> 上記<1>又は<2>において、R及びRのうち一方がa)の基であり、他方がd)の基であり、nが12〜14の整数であり、rが3であるのがよい。特に、ゲル化の対象溶媒が、水、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。 <7> In the above <1> or <2>, one of R 1 and R 2 is a group a), the other is a group d), n is an integer of 12 to 14, and r is 3 is good. In particular, the target solvent for gelation is water, a linear or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, or a halogenated fat having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms. It is good that it is 1 or more types chosen from the group which consists of a group hydrocarbon and a C6-C8 aromatic hydrocarbon.

本発明により、種々の溶媒に対して、ゲル化能を有するゲル化剤を提供することができる。
具体的には、本発明により、種々の溶媒に対して、ゲル化能を有する、ジアルキルスルファミド誘導体を有するゲル化剤を提供することができる。
According to the present invention, a gelling agent having gelling ability can be provided for various solvents.
Specifically, according to the present invention, it is possible to provide a gelling agent having a dialkylsulfamide derivative having gelling ability with respect to various solvents.

以下、本発明を詳細に説明する。
本発明は、下記式Iで表されるジアルキルスルファミド誘導体を有するゲル化剤を提供する。
Hereinafter, the present invention will be described in detail.
The present invention provides a gelling agent having a dialkylsulfamide derivative represented by the following formula I.

Figure 2011111545
Figure 2011111545

式I中、R及びRは、各々独立に、以下のa)〜d)からなる群から選ばれる1種を示す。
a)炭素数10〜16、好ましくは12〜14の直鎖アルキル基、即ち−n-C2n+1(式中、nは10〜16、好ましくは12〜14の整数を示す。なお、Cの前の「n-」は直鎖であることを明記する意図である);
b)−(CH−O−CH−CH−O−CH−CH−O−CH(式中、mは3〜9、好ましくは6〜8の整数を示す);
c)−CH−ph−CH−O−CH−CH−O−CH−CH−O−CH(式中、phは置換されてもよいフェニル基を示す);及び
d)式dで表される基(式d中、rは3〜6、好ましくは3の整数を示す)。
In formula I, R 1 and R 2 each independently represent one selected from the group consisting of the following a) to d).
a) a carbon number 10 to 16, preferably a linear alkyl group of 12 to 14, i.e. -n-C n H 2n + 1 ( wherein, n 10 to 16, preferably an integer of 12 to 14. Note that, C The “n-” before is intended to specify that it is linear);
b) — (CH 2 ) m —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 (wherein m represents an integer of 3 to 9, preferably 6 to 8);
c) —CH 2 —ph—CH 2 —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 wherein ph represents an optionally substituted phenyl group; and d ) A group represented by the formula d (in the formula d, r represents 3 to 6, preferably an integer of 3).

Figure 2011111545
Figure 2011111545

式Iで表されるジアルキルスルファミド誘導体は、上述のように、水素結合によりシート状構造が形成される。また、この構造の表面に位置するR及び/又はRの形状や末端に導入する置換基を変化させることにより、結晶性を下げるとともに、シートの性質を変えて溶媒への親和性を制御することが可能となり、ゲル化剤として作用させることができる。 As described above, the dialkylsulfamide derivative represented by the formula I has a sheet-like structure formed by hydrogen bonding. In addition, by changing the shape of R 1 and / or R 2 located on the surface of this structure and the substituent introduced at the end, the crystallinity is lowered and the properties of the sheet are changed to control the affinity to the solvent. And can act as a gelling agent.

本発明のゲル化剤は、種々の溶媒をゲル化させることができ、例えば、水;炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール;炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素;炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素;及び炭素数6〜8の芳香族炭化水素;からなる群から選ばれる1種以上の溶媒をゲル化させることができる。   The gelling agent of the present invention can gel various solvents, for example, water; straight-chain or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms; 5 to 12 carbon atoms. , Preferably a linear or branched aliphatic hydrocarbon having 6 to 10 carbon atoms; a halogenated aliphatic hydrocarbon having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms; and an aromatic having 6 to 8 carbon atoms One or more solvents selected from the group consisting of hydrocarbons can be gelled.

特に、本発明のゲル化剤は、R及びRの双方がa)の基であり、nが12〜14の整数であるのがよい。
この際、特に、ゲル化の対象溶媒が、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素、炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。
In particular, in the gelling agent of the present invention, both R 1 and R 2 are groups of a), and n is preferably an integer of 12-14.
In this case, in particular, the target solvent for gelation is a linear or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, or a straight chain having 5 to 12 carbon atoms, preferably 6 to 10 carbon atoms. Or one or more selected from the group consisting of branched aliphatic hydrocarbons, halogenated aliphatic hydrocarbons having 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms, and aromatic hydrocarbons having 6 to 8 carbon atoms. It is good to be.

特に、本発明のゲル化剤は、R及びRのうち一方がa)の基であり、他方がb)の基であり、nが12〜14の整数であり、mが6〜8の整数であるのがよい。
この際、特に、ゲル化の対象溶媒が、炭素数1〜12、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数5〜12、好ましくは炭素数6〜10の直鎖又は分岐鎖の脂肪族炭化水素からなる群から選ばれる1種以上であるのがよい。
In particular, in the gelling agent of the present invention, one of R 1 and R 2 is a group a), the other is a group b), n is an integer of 12-14, and m is 6-8. It is good that it is an integer.
At this time, in particular, the target solvent for gelation is a linear or branched alcohol having 1 to 12 carbon atoms, preferably 2 to 4 carbon atoms, or a straight chain having 5 to 12 carbon atoms, preferably 6 to 10 carbon atoms. Or it is good that it is 1 or more types chosen from the group which consists of a branched aliphatic hydrocarbon.

特に、本発明のゲル化剤は、R及びRのうち一方がa)の基であり、他方がc)の基であり、nが12〜14の整数であるのがよい。
この際、特に、ゲル化の対象溶媒が、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。
In particular, in the gelling agent of the present invention, one of R 1 and R 2 is a group a), the other is a group c), and n is an integer of 12-14.
In this case, in particular, the target solvent for gelation is selected from the group consisting of linear or branched alcohols having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, and aromatic hydrocarbons having 6 to 8 carbon atoms. It is good that it is 1 or more types.

特に、本発明のゲル化剤は、R及びRの双方がc)の基であるのがよい。
この際、特に、ゲル化の対象溶媒が、炭素数6〜8の芳香族炭化水素であるのがよい。
In particular, in the gelling agent of the present invention, both R 1 and R 2 are preferably groups of c).
At this time, in particular, the target solvent for gelation is preferably an aromatic hydrocarbon having 6 to 8 carbon atoms.

特に、本発明のゲル化剤は、R及びRのうち一方がa)の基であり、他方がd)の基であり、nが12〜14の整数であり、rが3であるのがよい。
この際、特に、ゲル化の対象溶媒が、水、炭素数1〜10、好ましくは炭素数2〜4の直鎖又は分岐鎖のアルコール、炭素数1〜4、好ましくは炭素数1〜2のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上であるのがよい。
In particular, in the gelling agent of the present invention, one of R 1 and R 2 is a group a), the other is a group d), n is an integer of 12 to 14, and r is 3. It is good.
In this case, in particular, the target solvent for gelation is water, a linear or branched alcohol having 1 to 10 carbon atoms, preferably 2 to 4 carbon atoms, 1 to 4 carbon atoms, preferably 1 to 2 carbon atoms. It may be at least one selected from the group consisting of halogenated aliphatic hydrocarbons and aromatic hydrocarbons having 6 to 8 carbon atoms.

本発明のゲル化剤、特に式Iで表されるジアルキルスルファミド誘導体は、次のように、調製することができる。
即ち、RとRが同じである場合、該Rに対応するアミンと塩化スルフリルを、溶媒中で、低温、例えば−78℃で反応させ、その後、溶媒除去し、シリカゲルを用いたカラムクロマトグラフィー(展開溶媒:例えばクロロホルム-エタノール)および再結晶により精製することにより、調製することができる。
また、RとRとが異なる場合、塩化スルフリルにアミンを順次導入する手法が用いられる。具体的には、Fettesらの手法(J. Chem. Soc., Perkin Trans. 1, 2002, 485.)に準じて反応を進めて、調製することができ、パラニトロフェノールによる保護を介してテトラデシルアミンを1本導入し、その後極性部位を持つアミンを導入することで目的物を得ることができる。
なお、反応に用いる溶媒、温度などは、用いるアミンなどに依存する。
The gelling agent of the present invention, particularly the dialkylsulfamide derivative represented by the formula I, can be prepared as follows.
That is, when R 1 and R 2 are the same, the amine corresponding to R 1 and sulfuryl chloride are reacted in a solvent at a low temperature, for example, −78 ° C., after which the solvent is removed and a column using silica gel It can be prepared by purification by chromatography (developing solvent: for example chloroform-ethanol) and recrystallization.
Further, when R 1 and R 2 are different, a method of sequentially introducing amines into sulfuryl chloride is used. Specifically, it can be prepared by proceeding the reaction according to the method of Fettes et al. (J. Chem. Soc., Perkin Trans. 1, 2002, 485.). The target product can be obtained by introducing one decylamine and then introducing an amine having a polar site.
Note that the solvent, temperature, etc. used in the reaction depend on the amine used.

本発明のゲル化剤、特に式Iで表されるジアルキルスルファミド誘導体は、上述のように、塩化スルフリルと、RとRに対応するアミンとを混合することにより容易に作成することができるので、用いるアミンを変えるだけで、多様な溶媒に対するゲル化剤を容易に調製することができる。 The gelling agent of the present invention, particularly the dialkylsulfamide derivative represented by the formula I, can be easily prepared by mixing sulfuryl chloride and an amine corresponding to R 1 and R 2 as described above. Therefore, it is possible to easily prepare gelling agents for various solvents simply by changing the amine to be used.

本発明のゲル化剤は、廃油の固化による処理;刺激応答によるセンサー;薬剤の徐放など;さまざまな分野での応用が考えられる。多様な溶媒をゲル化できることは、溶媒が変化してもゲル状態を保つことにつながり、このような応用を行っていく上での利点となる。   The gelling agent of the present invention can be applied in various fields, such as treatment by solidification of waste oil; sensor based on stimulus response; The ability to gel various solvents leads to maintaining the gel state even when the solvent changes, which is an advantage in carrying out such applications.

以下、実施例に基づいて、本発明をさらに詳細に説明するが、本発明は本実施例に限定されるものではない。   EXAMPLES Hereinafter, although this invention is demonstrated further in detail based on an Example, this invention is not limited to a present Example.

<化合物1〜5の合成>
以下に示す化合物1〜5を調製した。
なお、化合物1は、R及びRの双方が−n-C1429で表される基であり、
化合物2は、R及びRの一方が−n-C1429で表される基であり且つR及びRの他方が−(CH−O−CH−CH−O−CH−CH−O−CHで表される基であり、
化合物3は、R及びRの一方が−n-C1429で表される基であり且つR及びRの他方が−CH−ph−CH−O−CH−CH−O−CH−CH−O−CHで表される基であり、
化合物4は、R及びRの双方が−CH−ph−CH−O−CH−CH−O−CH−CH−O−CHで表される基であり、
化合物5は、R及びRの一方が−n-C1429で表される基であり且つR及びRの他方が−(CH−O−CH−CH(OH)−CH−OHで表される基である。
<Synthesis of Compounds 1-5>
Compounds 1-5 shown below were prepared.
Compound 1 is a group in which both R 1 and R 2 are represented by —n—C 14 H 29 ,
In Compound 2, one of R 1 and R 2 is a group represented by —n—C 14 H 29 and the other of R 1 and R 2 is — (CH 2 ) 6 —O—CH 2 —CH 2 —. A group represented by O—CH 2 —CH 2 —O—CH 3 ;
In the compound 3, one of R 1 and R 2 is a group represented by —n—C 14 H 29 and the other of R 1 and R 2 is —CH 2 —ph—CH 2 —O—CH 2 —CH. A group represented by 2- O—CH 2 —CH 2 —O—CH 3 ;
Compound 4 is a group in which both R 1 and R 2 are represented by —CH 2 —ph—CH 2 —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 ,
In Compound 5, one of R 1 and R 2 is a group represented by —n—C 14 H 29 and the other of R 1 and R 2 is — (CH 2 ) 3 —O—CH 2 —CH (OH ) A group represented by —CH 2 —OH.

Figure 2011111545
Figure 2011111545

化合物1及び4については、対応するアミンと塩化スルフリルを−78℃にて反応させ、溶媒除去後、シリカゲルを用いたカラムクロマトグラフィー(展開溶媒: クロロホルム-エタノール) および再結晶により精製した。
また、化合物2、3及び5については、塩化スルフリルにアミンを順次導入するために、Fettesらの手法(J. Chem. Soc., Perkin Trans. 1, 2002, 485.)に準じて反応を進めた。すなわち、パラニトロフェノールによる保護を介してテトラデシルアミンを1本導入し、その後極性部位を持つアミンを導入することで目的物を得た。
Compounds 1 and 4 were reacted with the corresponding amine and sulfuryl chloride at −78 ° C., removed the solvent, and purified by column chromatography using silica gel (developing solvent: chloroform-ethanol) and recrystallization.
For compounds 2, 3 and 5, the reaction proceeded according to the method of Fettes et al. (J. Chem. Soc., Perkin Trans. 1, 2002, 485.) in order to sequentially introduce amines into sulfuryl chloride. It was. That is, one tetradecylamine was introduced through protection with paranitrophenol, and then an amine having a polar site was introduced to obtain the desired product.

<ゲル化能の測定>
サンプル瓶に化合物1〜5で表される、いずれかのスルファミド型ゲル化剤0.05gを量り取り、各溶媒0.95gを加えて溶媒の沸点以下の温度で加熱し、5wt%溶液とした。静置により室温まで冷却した際に、下端にある試料を逆さまにしても溶媒が流下しないことをもって、ゲル化が起こったと判定した(inversion method)。ゲル化能ありと判定されたものについてはその濃度を減らして同様の実験を行い、ゲル化がみられる最低の濃度を最低ゲル化濃度とした。
その他のゲル化剤も同様の手法を用いてゲル化能の有無および最低ゲル化濃度の測定を行った。
その結果を表1に示す。表1中、「S」は溶液状であること、「I」は不溶であること、「P」は沈殿物が生成したこと、「V」は5wt%で粘性液状であること、をそれぞれ示す。また、各数値は、ゲル化が生じたことを示すと共に、該ゲル化が生じた最小ゲル化濃度を示す。
<Measurement of gelation ability>
In a sample bottle, 0.05 g of any sulfamide-type gelling agent represented by compounds 1 to 5 is weighed, 0.95 g of each solvent is added and heated at a temperature below the boiling point of the solvent to obtain a 5 wt% solution. . When the sample was cooled to room temperature by standing, gelation was judged to have occurred because the solvent did not flow even if the sample at the lower end was turned upside down (inversion method). About what was determined to have gelation ability, the same experiment was performed with the concentration reduced, and the lowest concentration at which gelation was observed was defined as the minimum gelation concentration.
Other gelling agents were also measured for the presence or absence of gelling ability and the minimum gelation concentration using the same method.
The results are shown in Table 1. In Table 1, “S” is a solution, “I” is insoluble, “P” indicates that a precipitate is formed, and “V” is a viscous liquid at 5 wt%. . Each numerical value indicates that gelation has occurred and indicates the minimum gelation concentration at which the gelation has occurred.

Figure 2011111545
Figure 2011111545

表1から、化合物1〜5は各々、ゲル化可能な溶媒が異なるものの、種々の溶媒に対してゲル化できることがわかる。特に、化合物1は、水以外でゲル化が生じ、種々の溶媒に対してゲル化能を有することがわかる。また、化合物5は、ヘキサン以外でゲル化が生じ、種々の溶媒に対してゲル化能を有することがわかる。   It can be seen from Table 1 that compounds 1 to 5 can be gelled with respect to various solvents, although the gelable solvents are different. In particular, it can be seen that Compound 1 is gelled except for water and has gelation ability with respect to various solvents. In addition, it can be seen that Compound 5 is gelled other than hexane and has gelation ability with respect to various solvents.

Claims (7)

下記式I
(式中、R及びRは、各々独立に、
a)−n-C2n+1(式中、nは10〜16の整数を示す);
b)−(CH−O−CH−CH−O−CH−CH−O−CH(式中、mは3〜9の整数を示す);
c)−CH−ph−CH−O−CH−CH−O−CH−CH−O−CH(式中、phは置換されてもよいフェニル基を示す);及び
d)式dで表される基(式d中、rは3〜6の整数を示す);からなる群から選ばれる基である)
で表されるジアルキルスルファミド誘導体を有するゲル化剤。
Figure 2011111545
Formula I
(Wherein R 1 and R 2 are each independently
a) -n-C n H 2n + 1 ( wherein, n represents an integer of 10 to 16);
b) — (CH 2 ) m —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 (wherein m represents an integer of 3 to 9);
c) —CH 2 —ph—CH 2 —O—CH 2 —CH 2 —O—CH 2 —CH 2 —O—CH 3 wherein ph represents an optionally substituted phenyl group; and d A group represented by the formula d (in the formula d, r represents an integer of 3 to 6); a group selected from the group consisting of:
A gelling agent having a dialkylsulfamide derivative represented by the formula:
Figure 2011111545
ゲル化の対象溶媒が、水、炭素数1〜10の直鎖又は分岐鎖のアルコール、炭素数5〜12の直鎖又は分岐鎖の脂肪族炭化水素、炭素数1〜4のハロゲン化脂肪族炭化水素、及び炭素数6〜8の芳香族炭化水素からなる群から選ばれる1種以上である請求項1記載のゲル化剤。   The target solvent for gelation is water, a linear or branched alcohol having 1 to 10 carbon atoms, a linear or branched aliphatic hydrocarbon having 5 to 12 carbon atoms, or a halogenated aliphatic having 1 to 4 carbon atoms. The gelling agent according to claim 1, wherein the gelling agent is at least one selected from the group consisting of a hydrocarbon and an aromatic hydrocarbon having 6 to 8 carbon atoms. 及びRの双方が前記a)の基であり、nが12〜14の整数である請求項1又は2記載のゲル化剤。 The gelling agent according to claim 1 or 2, wherein both R 1 and R 2 are the group a), and n is an integer of 12 to 14. 及びRのうち一方が前記a)の基であり、他方が前記b)の基であり、
nが12〜14の整数であり、mが6〜8の整数である請求項1又は2記載のゲル化剤。
One of R 1 and R 2 is the group a), and the other is the group b);
The gelling agent according to claim 1 or 2, wherein n is an integer of 12 to 14, and m is an integer of 6 to 8.
及びRのうち一方が前記a)の基であり、他方が前記c)の基であり、
nが12〜14の整数である請求項1又は2記載のゲル化剤。
One of R 1 and R 2 is the group a), and the other is the group c).
The gelling agent according to claim 1 or 2, wherein n is an integer of 12 to 14.
及びRの双方が前記c)の基である請求項1又は2記載のゲル化剤。 The gelling agent according to claim 1 or 2, wherein both R 1 and R 2 are the group of c). 及びRのうち一方が前記a)の基であり、他方が前記d)の基であり、
nが12〜14の整数であり、rが3である請求項1又は2記載のゲル化剤。
One of R 1 and R 2 is the group a), and the other is the group d);
The gelling agent according to claim 1 or 2, wherein n is an integer of 12 to 14, and r is 3.
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