JP2021512918A - α−ヒドロキシ化合物の製造方法およびその使用 - Google Patents
α−ヒドロキシ化合物の製造方法およびその使用 Download PDFInfo
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- JP2021512918A JP2021512918A JP2020542805A JP2020542805A JP2021512918A JP 2021512918 A JP2021512918 A JP 2021512918A JP 2020542805 A JP2020542805 A JP 2020542805A JP 2020542805 A JP2020542805 A JP 2020542805A JP 2021512918 A JP2021512918 A JP 2021512918A
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- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- HUMNYLRZRPPJDN-KWCOIAHCSA-N benzaldehyde Chemical group O=[11CH]C1=CC=CC=C1 HUMNYLRZRPPJDN-KWCOIAHCSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
- 125000003262 carboxylic acid ester group Chemical group [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 235000018417 cysteine Nutrition 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000012262 fermentative production Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012041 food component Nutrition 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- XLSMFKSTNGKWQX-UHFFFAOYSA-N hydroxyacetone Chemical compound CC(=O)CO XLSMFKSTNGKWQX-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052914 metal silicate Inorganic materials 0.000 description 1
- ALUVXOVSZQCBQK-UHFFFAOYSA-N methyl 2-hydroxy-3-(1h-imidazol-5-yl)propanoate Chemical compound COC(=O)C(O)CC1=CN=CN1 ALUVXOVSZQCBQK-UHFFFAOYSA-N 0.000 description 1
- YSGBMDFJWFIEDF-UHFFFAOYSA-N methyl 2-hydroxy-3-methylbutanoate Chemical compound COC(=O)C(O)C(C)C YSGBMDFJWFIEDF-UHFFFAOYSA-N 0.000 description 1
- NMPPJJIBQQCOOI-UHFFFAOYSA-N methyl 2-hydroxy-3-phenylpropanoate Chemical group COC(=O)C(O)CC1=CC=CC=C1 NMPPJJIBQQCOOI-UHFFFAOYSA-N 0.000 description 1
- ZNICVDUAZVFBFJ-UHFFFAOYSA-N methyl 2-hydroxy-4-methylsulfanylbutanoate Chemical compound COC(=O)C(O)CCSC ZNICVDUAZVFBFJ-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229940120731 pyruvaldehyde Drugs 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- ANOBYBYXJXCGBS-UHFFFAOYSA-L stannous fluoride Chemical compound F[Sn]F ANOBYBYXJXCGBS-UHFFFAOYSA-L 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 0.000 description 1
- YJGJRYWNNHUESM-UHFFFAOYSA-J triacetyloxystannyl acetate Chemical compound [Sn+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YJGJRYWNNHUESM-UHFFFAOYSA-J 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本発明は、アミノ酸のヒドロキシアナログまたはポリマー前駆体などのプラットフォーム化学物質として有用なα−ヒドロキシ化合物を製造するための新規の方法に関する。
動物栄養においては、食料添加物の需要が大きい。飼料添加物の一群はアミノ酸とアミノ酸のヒドロキシアナログ(類似物)である。特に、再生可能で持続可能な原料から作られたバイオベースの飼料添加物の需要がある。動物飼料における添加剤として、アミノ酸のロイシン(Leu)、イソロイシン(Ile)、バリン(Val)、フェニルアラニン(Phe)、ヒスチジン(His)、メチオニン(Met)、システイン(Cys)、グルタミン酸(Glu)、トリプトファン(Trp)およびチロシン(Tyr)が興味深い。しかし、対応するアミノ酸アナログも使用できる。飼料添加物として有用であるためには、アミノ酸またはα−ヒドロキシアナログを生産するための低コスト工程が必要である。既知の工程には、発酵および化学合成の種々の方法が含まれる。
驚くべきことに、グリコールアルデヒド(GA、第1の化合物)とある種の化合物(第2の化合物)とを、柔軟で工業規模の製造に適している、単純で持続可能な方法によって化学触媒的に組み合わせることにより、そのヒドロキシアナログの形態で多数の重要なアミノ酸を得ることができることが、本発明者らによって見出された。
(R)CH(R’)−CHOH−COOR’’ (I)
ここで、
Rは、−Hまたは−CH3であり;
R’は、−CH3、−CH2CH3、−CH(CH3)2、−C6H5、−CH2SCH3、−C8H6Nまたは−C3H3N2であり;
R’’は、−H、−CH3、−CH2CH3、−CH(CH3)2、−CH2CH2CH3、−CH2CH2CH2CH3、−CH2CH(CH3)2、または−C(CH3)3であり
当該方法は、
a)式IIの第1の化合物を提供する工程:
HO−CH2−CH=O (II)
b)式IIIの第2の化合物を提供する工程:
R−CO−R’ (III)
ここで、
RとR’は、上記で定義したような意味を有し;および
c)ルイス酸触媒の存在下で第1の化合物を第2の化合物と反応させて、α−ヒドロキシ反応生成物を得る工程を含む。
(R)CH(R’)−CHOH−COOR’’ (I)
ここで、
Rは、−Hまたは−CH3であり;
R’は、−CH3、−CH2CH3、−CH(CH3)2、−C6H5、−CH2SCH3、−C8H6Nまたは−C3H3N2であり;
R’’は、−H、−CH3、−CH2CH3、−CH(CH3)2、−CH2CH2CH3、−CH2CH2CH2CH3、−CH2CH(CH3)2、または−C(CH3)3である。
定義
他に何も記載されていない場合、「活性金属」は、触媒活性型の金属原子を指すことを意味する。
Rは、−Hまたは−CH3であり;
R’は、−CH3、−CH2CH3、−CH(CH3)2、−C6H5、−CH2SCH3、−C8H6Nまたは−C3H3N2であり;かつ
R’’は、−H、−CH3、−CH2CH3、−CH(CH3)2、−CH2CH2CH3、−CH2CH2CH2CH3、−CH2CH(CH3)2、または−C(CH3)3である。
以下の例では、グリコールアルデヒドからのアミノ酸の触媒の製造とα−ヒドロキシアナログの製造を示した。
例1A.後処理工程によるSn−BEAの製造工程
合成後のSn−BEAゼオライト/ゼオタイプ材料は、ChemSusChem 2015、8、613−617に記載された手順に従って製造した。*BEA骨格を有する市販のBEAゼオライト(CP7119、ゼオリスト、Si/Al=12.5、NH4 +−型)を最初に550℃で6時間焼成し、そのH+型上でゼオライトを得た後、次のように酸性脱アルミニウム化した:ゼオライト*BEA物質1g当たり10gの硝酸(HNO3、Sigma−Aldrich、≧65%)を添加し、懸濁液を80℃に12〜24時間加熱した。脱アルミニウム固体をろ過により回収し、脱イオン水で広範に洗浄し、2℃/分の加熱ランプを用いて550℃で6時間焼成した。次に、スズ源として溶液中の塩化スズ(II)を用いた初期湿潤含浸により、スズをゼオライト骨格中に作製した空孔に導入した。塩化スズ(II)(Sigma−Aldrich社製、98%)0.128gを水5.75mLに溶解した液を製造し、脱アルミニウム*BEAゼオライト試料5gに加えた。含浸後、試料を110℃で一晩乾燥し、次いで550℃で6時間焼成した。
1Aと同じ手順に従ったが、0.128gの塩化スズ(II)を0.121gのZrOCl2・8H2Oに置き換え、またはZrCl4をジルコニウムの供給源として使用した。
塩化スズ(II)0.128gを、チタン源として0.154gのチタン(IV)エトキシド(Ti(OC2H5)4、Sigma−Aldrich)で置き換えたことを除いて、1Aと同じ手順に従った。含浸中に、チタン源を純水の代わりに水と過酸化水素の50:50混合物にさらに溶解した。
塩化スズ(II)0.128gを、亜鉛源として塩化Zn(II)0.091gに置き換えたことを除いて、1Aと同じ手順に従った。
塩化スズ(II)0.128gを、ハフニウム源として塩化Hf(IV)0.216gに置き換えたことを除いて、1Aと同じ手順に従った。
塩化スズ(II)0.128gを、ゲルマニウム源として酸化Ge(IV)0.070gに置き換えたことを除いて、1Aと同じ手順に従った。
例2A. 直接合成法によるSn−BEAの製造
直接水熱合成により製造したSn−BEAゼオライトをJ.Mater.Chem A2014,2,20252−20262に記載した経路で合成した。当該合成において、テトラエチルアンモニウムヒドロキシド(TEAOH、35%溶液、Aldrich)33.1gにテトラエチルオルトケイ酸塩(TEOS、98%、Aldrich)30.6gをかき混ぜながら添加した。単相を得た後、塩化スズ(SnCl4・H2O、Sigma−Aldrich)五水和物0.336gをH2O2.0mLに溶かし、徐々に加えた。数時間の攪拌(>5時間)の後、厚いゲルを形成し、次いで脱塩H2O1.6g中の3.1gHFの添加により最終化した。試料を均質化し、テフロンで裏打ちした容器に移し、ステンレススチールオートクレーブに入れ、140℃で14日間静置加熱した。固体はろ過により回収し、脱塩水で十分に洗浄し、空気中で80℃で一晩乾燥した。有機テンプレートを除去し、材料を最終化するために、2℃/分の加熱ランプを用いて、550℃で6時間焼成した。
0.336gの塩化スズ(IV)五水和物を、ジルコニウムの供給源として0.318gのZrOCl2・8H2OまたはZrCl4に置き換えたことを除いて、2Aと同じ手順に従った。
0.336gの塩化スズ(IV)五水和物を、チタンの供給源として0.405gのチタン(IV)エトキシド(Ti(OC2H5)4、Sigma−Aldrich)に置き換えたことを除いて、2A1Dと同じ手順に従った。チタン源を含浸中に純水の代わりに水と過酸化水素の50:50混合物にさらに溶解した。
MFIゼオライト/ゼオタイプは、Microporous Mater.1997,12,331−340に記載された手順に従って製造した。Sn−MFI(Si/S=100)を製造するため、塩化スズ(SnCl4・5H2O、Aldrich、98%)0.257gを脱塩水5gに溶解し、オルトケイ酸テトラエチル(TEOS、98%、Aldrich)15.6gに加えて30分間攪拌した。この溶液に、脱塩水13.4g中のテトラプロピルアンモニウムヒドロキシド(TPAOH、40%、AppliChem)13.4gを加え、1時間攪拌した。これに続いて、さらに60gの脱塩水を加え、さらに20時間攪拌した後、テフロンで裏打ちしたオートクレーブに溶液を加え、静置条件下で160℃で2日間合成した。固体は遠心分離で回収し、脱塩水で十分に洗浄し、空気中において80℃で一晩乾燥した。有機テンプレートを除去し、材料を最終化するために、2℃/分の加熱ランプを用いて、550℃で6時間焼成した。
0.257gの塩化スズ(IV)五水和物を、チタン源として0.167gのチタン(IV)エトキシド(Ti(OC2H5)4、Sigma−Aldrich)で置き換えた以外は、2Dと同じ手順に従った。チタン源を含浸中に純水の代わりに水と過酸化水素の50:50混合物にさらに溶解した。
秩序化メソポーラスのスズケイ酸塩Sn−MCM−41は、Green Chem.2011、13、1175−1181に記載された経路に従って製造した。ケイ酸テトラエチルアンモニウム26.4g(TMAS、Aldrich、水中15〜20質量%、≧99.99%)を水38.0gに溶解したヘキサデシルトリメチルアンモニウムブロミド13.0g(CTABr、Sigma、≧99.0%)に徐々に添加した。次に、この混合物を1時間撹拌した後、2.1gの水中の0.239gの塩化スズ(IV)五水和物(SnCl4・5H2O、98%、Aldrich)および0.537gの塩酸(塩酸、Sigma−Aldrich、分37%)を加えた。この溶液をテトラエチルオルトケイ酸塩(TEOS、98%、Aldrich)12.2gを加える前に1.5時間攪拌し、さらに3時間攪拌した。得られた混合物をステンレススチール製オートクレーブに入れたテフロン裏打ち容器に移し、140℃に15時間加熱した。固体はろ過により回収し、脱塩水で十分に洗浄し、空気中において80℃で一晩乾燥した。有機テンプレートを除去し、材料を最終化するために、2℃/分の加熱ランプを用いて、550℃で6時間焼成した。
例3A. バリンヒドロキシアナログの製造には、0.1gのGA、5gのアセトンおよび4.9gの無水メタノールからなるアセトン/GA溶液10gをあらかじめ混合し、合成後のSn−BEA(Si/Sn=125)0.50gと共にステンレススチール製加圧容器(40cc、Swagelock)に加えた。次にこのバッチ反応器を密封し、700rpmかき混ぜながら160℃の予熱油浴に入れ、20時間反応させた。実験終了後、容器を冷水中で急速冷却した。次に反応器を開き、混合物をろ過により回収し、存在する化合物を同定し、GC−MS(Agilent 5973質量選択検出器を装備したZebron ZB−5MSカラム(Phenomenex)を有するAgilent 6890)とGC−FID(火炎イオン化検出器を装備したZebron ZB−5カラム(Phenomenex)を有するAgilent 7890に)で定量した。バリンのヒドロキシ−アナログの純粋標準(Enamine,95%)、グリコールアルデヒドジメチルアセタール(Sigma Aldrich,98%)およびグリコールアルデヒド(>99%)を用いて、α−ヒドロキシ反応生成物収率および未変換基質の量を定量した。
例4A. フェニルアラニンヒドロキシアナログの製造には、0.1gのGA、5gのベンズアルデヒドおよび無水メタノ−ルからなるベンズアルデヒド/GA溶液10gをあらかじめ混合し、合成後のSn−BEA(Si/Sn=125)0.50gと共にステンレススチ−ル製加圧容器(40cc、Swagelock)に加えた。次にこのバッチ反応器を密封し、700rpmかき混ぜながら160℃の予熱油浴に入れ、20時間反応させた。実験終了後、容器を冷水中で急速冷却した。次に反応器を開き、ろ過により反応混合物を回収し、生成物を同定し、GC−MS(Agilent 5973質量選択検出器を装備したZebron ZB−5MSカラム(Phenomenex)を有するAgilent 6890)とGC−FID(火炎イオン化検出器を装備したZebron ZB−5カラム(Phenomenex)を有するAgilent 7890に)で定量した。フェニルアラニンのヒドロキシアナログ(ArkPharm、97%)の純粋な標準、グリコールアルデヒドジメチルアセタール(Sigma Aldrich、98%)およびグリコ−ルアルデヒド(>99%)を用いて、生成物収率および変換されていない基質を定量した。
GAおよびブタノンからのイソロイシンヒドロキシアナログの製造
例5A. イソロイシンヒドロキシアナログの製造には、0.1gのGA、1gのブタノンおよび無水メタノ−ルからなるブタノン/GA溶液10gをあらかじめ混合し、合成後のSn−BEA(Si/Sn=125)0.50gと共にステンレススチ−ル製加圧容器(40cc、Swagelock)に加えた。次にこのバッチ反応器を密封し、700rpmかき混ぜながら160℃の予熱油浴に入れ、20時間反応させた。実験終了後、容器を冷水中で急速冷却した。次に反応器を開き、ろ過により反応混合物を回収し、生成物を同定し、GC−MS(Agilent 5973質量選択検出器を装備したZebron ZB−5MSカラム(Phenomenex)を有するAgilent 6890)とGC−FID(火炎イオン化検出器を装備したZebron ZB−5カラム(Phenomenex)を有するAgilent 7890に)で定量した。イソロイシンのヒドロキシアナログの純粋な標準(Enamine,95%)、ブタノン(Sigma Aldrich)、グリコールアルデヒドジメチルアセタール(Sigma Aldrich,98%)およびグリコ−ルアルデヒド(>99%)を用いて、生成物収率および変換されていない基質を定量した。
GAおよびイソブチルアルデヒドからのロイシンヒドロキシアナログの製造
例6A. ロイシンヒドロキシアナログの製造には、0.1gのGA、1gのイソブチルアルデヒドおよび無水メタノ−ルからなるイソブチルアルデヒド/GA溶液10gをあらかじめ混合し、合成後のSn−BEA(Si/Sn=125)0.50gと共にステンレススチ−ル製加圧容器(40cc、Swagelock)に加えた。次にこのバッチ反応器を密封し、700rpmかき混ぜながら160℃の予熱油浴に入れ、20時間反応させた。実験終了後、容器を冷水中で急速冷却した。次に反応器を開き、ろ過により反応混合物を回収し、生成物を同定し、GC−MS(Agilent 5973質量選択検出器を装備したZebron ZB−5MSカラム(Phenomenex)を有するAgilent 6890)とGC−FID(火炎イオン化検出器を装備したZebron ZB−5カラム(Phenomenex)を有するAgilent 7890に)で定量した。ロイシン(Enamine,95%)のヒドロキシアナログの純粋な標準、イソブチルアルデヒド(TCI)、グリコールアルデヒドジメチルアセタール(Sigma Aldrich,98%)およびグリコ−ルアルデヒド(>99%)を用いて、生成物収率および変換されていない基質を定量した。
Claims (27)
- 式Iのα−ヒドロキシ反応生成物を製造する方法であって:
(R)CH(R’)−CHOH−COOR’’ (I)
[ここで、
Rは、−Hまたは−CH3であり;
R’は、−CH3、−CH2CH3、−CH(CH3)2、−C6H5、−CH2SCH3、−C8H6Nまたは−C3H3N2であり;かつ
R’’は、−H、−CH3、−CH2CH3、−CH(CH3)2、−CH2CH2CH3、−CH2CH2CH2CH3、−CH2CH(CH3)2、または−C(CH3)3である]
a)式IIの第1の化合物を提供する工程:
CH2OH−CHO (II)
b)式IIIの第2の化合物を提供する工程:
R−CO−R’ (III)
[ここで、
RおよびR’は、上記で定義したような意味を有する]
c)ルイス酸触媒の存在下で第1の化合物を第2の化合物と反応させて、α−ヒドロキシ反応生成物を得る工程、
を含む前記方法。 - 前記α−ヒドロキシ反応生成物がアミノ酸アナログである、請求項1に記載の方法。
- RがCH3である、請求項1または2に記載の方法。
- RがHである、請求項1または2に記載の方法。
- R’’が、−H、−CH3、−CH2CH3、または−CH(CH3)2である、請求項1〜4のいずれか一つに記載の方法。
- ルイス酸触媒が骨格構造を有し、この骨格構造が、BEA、MFI、FAU、MOR、FER、MWW、MCM−41およびSBA−15からなる群から選択される、請求項1〜5のいずれか一つに記載の方法。
- ルイス酸触媒が、Sn、Ti、Pb、Zr、GeおよびHfからなる群から選択される1つ以上の活性金属を含む、請求項1〜6のいずれか一つに記載の方法。
- ルイス酸触媒がSn−BEAである、請求項1〜7のいずれか一つに記載の方法。
- ルイス酸触媒がSn−MCM−41である、請求項1〜8のいずれか一つに記載の方法。
- ルイス酸触媒が可溶性スズ塩である、請求項1〜4のいずれか一つに記載の方法。
- 工程c)において、第1および第2の化合物を、30〜220℃の範囲、例えば、60〜180℃の範囲の温度で反応させる、請求項1〜10のいずれか一つに記載の方法。
- 工程c)が溶媒中で行われる、請求項1〜11のいずれか一つに記載の方法。
- 当該溶媒が、水、メタノール、エタノール、プロパノール、イソプロパノール、n−ブタノール、tert−ブタノールアセトン、ベンズアルデヒド、ブタノン、イソブチルアルデヒド、1H−イミダゾール−4−カルバルデヒド、1H−インドール−3−カルバルデヒド、およびメタルスルファニル−アセトアルデヒドからなる群;またはその混合物から選択される、請求項12に記載の方法。
- 工程c)において、メチルビニルグリコレート副生成物が形成され、α−ヒドロキシ反応生成物対メチルビニルグリコレートのモル比が1:1〜100:1の範囲、例えば2:1〜100:1の範囲である、請求項1〜13のいずれか一つに記載の方法。
- α−ヒドロキシ反応生成物を回収する次の工程d)を含む、請求項1〜14のいずれか一つに記載の方法。
- α−ヒドロキシ反応生成物が蒸留および/または抽出によって回収される、請求項15に記載の方法。
- 工程d)において、α−ヒドロキシ反応生成物が、蒸留および/または抽出によって、メチルビニルグリコレートから分離される、請求項14に記載の方法。
- α−ヒドロキシ反応生成物を対応するアミノ酸にアミノ化するさらなる工程e)を含む、請求項1〜17のいずれか一つに記載の方法。
- 工程cにおいて、第1および第2の化合物以外のアルデヒドまたはケトンが存在しない、請求項1〜18のいずれか一つに記載の方法。
- 式Iの化合物:
(R)CH(R’)−CHOH−COOR’’ (I)
ここで、
Rは、−Hまたは−CH3であり;
R’は、−CH3、−CH2CH3、−CH(CH3)2、−C6H5、−CH2SCH3、−C8H6Nまたは−C3H3N2であり;
R’’は、−H、−CH3、−CH2CH3、−CH(CH3)2、−CH2CH2CH3、−CH2CH2CH2CH3、−CH2CH(CH3)2、または−C(CH3)3である。 - 請求項20または21に記載の1つ以上の化合物および動物飼料成分を含む動物飼料組成物。
- 前記動物飼料成分が、キャリア材料、炭水化物、補助剤、固化防止剤、抗酸化剤、および界面活性剤からなる群から選択される、請求項22に記載の動物飼料組成物。
- 動物飼料組成物を製造するための、請求項20または21に記載の1つ以上の化合物の使用。
- ポリマーを製造するための、請求項20または21に記載の1以上の化合物の使用。
- 乳酸、ラクチドエチレングリコールまたはグリコール酸とのコポリマーを製造するための、請求項20または21に記載の1以上の化合物の使用。
- 請求項1〜19のいずれか一項に記載の方法により得ることが可能な、または得られるα−ヒドロキシ反応生成物。
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SG11202006314UA (en) | 2020-07-29 |
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JP7368364B2 (ja) | 2023-10-24 |
MX2020008397A (es) | 2022-05-26 |
BR112020016178A2 (pt) | 2020-12-15 |
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ZA202003784B (en) | 2022-12-21 |
AU2019218827B2 (en) | 2022-04-14 |
CA3089417C (en) | 2024-01-16 |
US11882852B2 (en) | 2024-01-30 |
EP3749635A1 (en) | 2020-12-16 |
CN111683922A (zh) | 2020-09-18 |
WO2019154624A1 (en) | 2019-08-15 |
RU2020129635A (ru) | 2022-03-09 |
AR114250A1 (es) | 2020-08-12 |
TW201936561A (zh) | 2019-09-16 |
AU2019218827A1 (en) | 2020-07-16 |
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