JP5371067B2 - 高純度のポリエチレングリコールアルデヒド誘導体の製造方法 - Google Patents
高純度のポリエチレングリコールアルデヒド誘導体の製造方法 Download PDFInfo
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- JP5371067B2 JP5371067B2 JP2011510418A JP2011510418A JP5371067B2 JP 5371067 B2 JP5371067 B2 JP 5371067B2 JP 2011510418 A JP2011510418 A JP 2011510418A JP 2011510418 A JP2011510418 A JP 2011510418A JP 5371067 B2 JP5371067 B2 JP 5371067B2
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- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33365—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing cyano group
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- C08G65/32—Polymers modified by chemical after-treatment
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Description
a)下記式3のPEGと下記式5のシアノアルケン(cyano alkene)を反応させて、下記式6のシアノアルキル-PEGを製造する段階;
b)下記式6のシアノアルキル-PEGから式7のPEG-カルボン酸を製造する段階;
c)下記式7のPEG-カルボン酸を下記式8のアルコールと反応させて、下記式9のPEG-エステル化合物を製造する段階;及び、
d)下記式9のPEG-エステル化合物を還元させて、下記式4のPEG誘導体を製造する段階。
a)下記式12のアルコキシ-PEGと下記式5のシアノアルケン(cyano alkene)を反応させて、下記式14のアルコキシ-PEGニトリル化合物を製造する段階;
b)下記式14のアルコキシ-PEGニトリル化合物から式15のアルコキシ-PEGカルボン酸を製造する段階;
c)下記式15のアルコキシ-PEGカルボン酸を下記式8のアルコールと反応させて、下記式16のアルコキシ-PEGエステル化合物を製造する段階;及び、
d)下記式16のアルコキシ-PEGエステル化合物を還元させて、下記式13のPEG誘導体を製造する段階。
1H-NMR(200MHz,CDCl3):PEG backbone(m,3.20〜4.20ppm)、−OCH2CH2CN(t,2.63ppm)
1H-NMR(200MHz,CDCl3):PEG backbone(m,3.20〜4.20ppm)、−OCH2CH2C(O)OH(t,2.60ppm)
1H-NMR(200MHz,CDCl3):PEG backbone(m,3.20〜4.20ppm)、−OCH3(s,3.50ppm)−OCH2CH2C(O)OCH3(t,2.60ppm)
GPC:Mn(3023)、PDI(Polydispersity)=1.02
1H-NMR(200MHz,CDCl3):PEG backbone(m,3.20〜4.20ppm)、−OCH2CH2CH2OH(t,2.62ppm)、−OCH2CH2CH2OH(t,1.83ppm)
GPC(mPEG):Mn(3156)、PDI(Polydispersity)=1.02
GPC:Mn(3010)、PDI(Polydispersity)=1.02
1H-NMR(500MHz,CDCl3):−C(O)H(s,9.80ppm)、PEG backbone(m,3.20〜4.20ppm)、−OCH2CH2C(O)H(t,2.60ppm)
1H-NMR(500MHz,CDCl3):−C(O)H(s,9.80ppm)、PEG backbone(m,3.20〜4.20ppm)、−OCH2CH2C(O)H(t,2.60ppm)
1H-NMR(200MHz,CDCl3):−C(O)H(s,9.67ppm)、PEG backbone(m,3.20〜4.20ppm)、−OCH2C(O)H(s,4.18ppm)
Claims (10)
- 下記式4のPEG誘導体をジメチルスルホキシド及びジシクロヘキシルカルボジイミドと反応させて、下記式AのPEGアルデヒドを製造するPEGアルデヒドの製造方法。
[式中、nは3〜2000の整数、kは3〜10の整数である。] - 前記式4のPEG誘導体にジメチルスルホキシド、トリフルオロ酢酸及びピリジンを加えて混合した後、ジシクロヘキシルカルボジイミドを入れて反応させる請求項1に記載のPEGアルデヒドの製造方法。
- 前記反応後、ヘプタン及びイソプロピルアルコール混合溶媒の下に結晶化した後、アセトニトリル及びメチルt-ブチルエーテル混合液で再結晶する過程をさらに含む請求項1に記載のPEGアルデヒドの製造方法。
- 前記式4のPEG誘導体は、下記の製造段階から製造されることを特徴とする請求項1に記載のPEGアルデヒドの製造方法。
a)下記式3のPEGと下記式5のシアノアルケン(cyano alkene)を反応させて、下記式6のシアノアルキル-PEGを製造する段階;
b)下記式6のシアノアルキル-PEGから式7のPEG-カルボン酸を製造する段階;
c)下記式7のPEG-カルボン酸を下記式8のアルコールと反応させて、下記式9のPEG-エステル化合物を製造する段階;及び、
d)下記式9のPEG-エステル化合物を還元させて、下記式4のPEG誘導体を製造する段階。
[式中、nは3〜2000の整数、kは3〜10の整数、R1は(C1〜C7)アルキル、または(C6〜C20)アル(C1〜C7)アルキル基から選択される。] - 前記b)段階及びd)段階のうちいずれか一つ以上の段階後、反応副産物をイオン交換樹脂カラムを用いて分離する請求項4に記載のPEGアルデヒドの製造方法。
- 下記式13のPEG誘導体をジメチルスルホキシド及びジシクロヘキシルカルボジイミドと反応させて、下記式BのPEGアルデヒドを製造するPEGアルデヒドの製造方法。
[式中、nは3〜2000の整数、kは3〜10の整数、R2は(C1〜C7)アルキル、または(C6〜C20)アル(C1〜C7)アルキル基から選択される。] - 前記式13のPEG誘導体にジメチルスルホキシド、トリフルオロ酢酸及びピリジンを加えて混合した後、ジシクロヘキシルカルボジイミドを入れて反応させる請求項6に記載のPEGアルデヒドの製造方法。
- 前記反応後、ヘプタン及びイソプロピルアルコール混合溶媒の下に結晶化した後、アセトニトリル及びメチルt-ブチルエーテル混合液で再結晶する過程をさらに含む請求項6に記載のPEGアルデヒドの製造方法。
- 前記式13のPEG誘導体は、下記の製造段階から製造されることを特徴とする請求項6に記載のPEGアルデヒドの製造方法。
a)下記式12のアルコキシ-PEGと下記式5のシアノアルケン(cyano alkene)を反応させて、下記式14のアルコキシ-PEGニトリル化合物を製造する段階;
b)下記式14のアルコキシ-PEGニトリル化合物から式15のアルコキシ-PEGカルボン酸を製造する段階;
c)下記式15のアルコキシ-PEGカルボン酸を下記式8のアルコールと反応させて、下記式16のアルコキシ-PEGエステル化合物を製造する段階;及び、
d)下記式16のアルコキシ-PEGエステル化合物を還元させて、下記式13のPEG誘導体を製造する段階。
[式中、nは3〜2000の整数、kは3〜10の整数、R1及びR2は独立的に(C1〜C7)アルキル、または(C6〜C20)アル(C1〜C7)アルキル基から選択される。] - 前記b)段階及びd)段階のうちいずれか一つ以上の段階後、反応副産物をイオン交換樹脂カラムを用いて分離する請求項9に記載のPEGアルデヒドの製造方法。
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