JP2022536172A - 化学分子の結晶化 - Google Patents
化学分子の結晶化 Download PDFInfo
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- JP2022536172A JP2022536172A JP2021573563A JP2021573563A JP2022536172A JP 2022536172 A JP2022536172 A JP 2022536172A JP 2021573563 A JP2021573563 A JP 2021573563A JP 2021573563 A JP2021573563 A JP 2021573563A JP 2022536172 A JP2022536172 A JP 2022536172A
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- 229960001731 gluceptate Drugs 0.000 description 1
- KWMLJOLKUYYJFJ-VFUOTHLCSA-N glucoheptonic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)[C@@H](O)C(O)=O KWMLJOLKUYYJFJ-VFUOTHLCSA-N 0.000 description 1
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- XGIHQYAWBCFNPY-AZOCGYLKSA-N hydrabamine Chemical compound C([C@@H]12)CC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC[C@@]1(C)CNCCNC[C@@]1(C)[C@@H]2CCC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC1 XGIHQYAWBCFNPY-AZOCGYLKSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000013383 initial experiment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 229940011051 isopropyl acetate Drugs 0.000 description 1
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- 239000011777 magnesium Substances 0.000 description 1
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- 229940102396 methyl bromide Drugs 0.000 description 1
- LRMHVVPPGGOAJQ-UHFFFAOYSA-N methyl nitrate Chemical compound CO[N+]([O-])=O LRMHVVPPGGOAJQ-UHFFFAOYSA-N 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 229940014662 pantothenate Drugs 0.000 description 1
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- 239000011713 pantothenic acid Substances 0.000 description 1
- 235000019371 penicillin G benzathine Nutrition 0.000 description 1
- FYJQJMIEZVMYSD-UHFFFAOYSA-N perfluoro-2-butyltetrahydrofuran Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC(F)(F)C(F)(F)C1(F)F FYJQJMIEZVMYSD-UHFFFAOYSA-N 0.000 description 1
- YVBBRRALBYAZBM-UHFFFAOYSA-N perfluorooctane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YVBBRRALBYAZBM-UHFFFAOYSA-N 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000008039 phosphoramides Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003880 polar aprotic solvent Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
- 229960004919 procaine Drugs 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000005490 tosylate group Chemical group 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
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Abstract
Description
a)第1の液体及び第2の液体を含む液滴を形成する工程であって、第1の液体が、有機媒体に溶解した化学分子又はその塩を含み、第2の液体が油である、工程、及び
b)化学分子を含む結晶を液滴中で形成させる工程
を含む、方法が提供される。
化学(例えば、有機)分子又はその塩の構造を決定する方法であって、
第1の態様による、複数の液滴を形成させる工程、
上記複数の液滴から結晶を形成させる工程、
結晶形成の兆候を観察する工程、
形成した任意の結晶を回収する工程、
形成した結晶に単結晶X線結晶構造解析を行う工程、及び
単結晶X線結晶構造解析の結果を使用して、化学(例えば、有機)分子又はその塩の構造を決定する工程
を含み、
複数の液滴のうちの少なくとも2つが異なる、
方法であってもよい。
化学(例えば、有機)分子又はその塩の多形をスクリーニングする方法であって、
第1の態様による、複数の液滴を形成させる工程、
上記複数の液滴から結晶を形成させる工程、
結晶形成の兆候を観察する工程、
形成した任意の結晶を回収する工程、
形成した結晶に単結晶X線結晶構造解析を行う工程、並びに
場合により、各結晶の単結晶X線結晶構造解析の結果を、他の結晶の単結晶X線結晶構造解析の結果と互いに比較する、及び/又は化学(例えば、有機)分子若しくはその塩の既知の多形形態と比較する工程
を含み、
複数の液滴のうちの少なくとも2つが異なる
方法であってもよい。
試料調製
各結晶化実験のために、結晶化させる化学分子の保存溶液を調製した。化学分子の試料は、所望の溶媒に溶解した。この溶液は、30分間、最大で40℃まで加熱し、固体のすべてが溶解したことを確実にして、次いで室温まで冷却することができる。
基質の結晶化
プレート内の結晶の観察の後、結晶をウェルから抜き取り、スライドガラスに移して、パーフルオロ化油の下で分離して、分析用の単結晶X線回折計上にマウントした。
以下の化学分子は、上記の一般手順及び以下の各実施例に列挙されている具体的な条件を使用して結晶化した。求めた、各分子の空間群及びR因子を示す。R因子とは、結晶学的モデルと実験によるX線回折データとの間の一致の尺度のことである。可能な最小値は、ゼロであり、完全な一致を示す。
図1を参照されたい。
P21、R=3.68%
Flack=0.0(2)
条件
ポリジメチルスルホキシド(PDMSO、200nL)、抗溶媒として水100nLを含む40mg/mLのDMF溶液(50nL)。
図2を参照されたい。
P21/c、R=5.37%
条件
鉱物油(100nL)、抗溶媒として水50nLを含む100mg/mlの(±)-2-メチル-2,4-ペンタンジオール溶液(50nL)。
図3を参照されたい。
P21/c、R=4.10%
条件
鉱物油(200nL)、抗溶媒としてトルエン100nLを含む40mg/mLのDMSO溶液(50nL)。
図4を参照されたい。
条件
PDMSO(300nL)、20mg/mLのDMF溶液(50nL)。
図5を参照されたい。
条件
Fomblin Y(200nL)、20mg/mLのDMSO溶液(50nL)。
多形スクリーニング手順
多形の実施例
1.イエローROY
P21/n、R=2.66%[FC-40(100nL)、50mg/mLのDMSO溶液(50nL)]
2.R18 ROY
3.レッドROY
4.ORP ROY
Pbca、R=3.36%[鉱物油(250nL)、50mg/mlのDMSO溶液(50nL)]
5.ON ROY
P21/c、R=3.57%[Fomblin Z(200nL)、抗溶媒としてEtOH50nLを含む50mg/mLのDMSO溶液(50nL)]
Claims (25)
- 化学分子又はその塩の結晶を形成する方法であって、
a)第1の液体及び第2の液体を含む液滴を形成する工程であって、第1の液体が、有機媒体に溶解した化学分子又はその塩を含み、第2の液体が油である、工程、及び
b)化学分子を含む結晶を液滴中で形成させる工程
を含む、方法。 - 化学分子が有機分子である、請求項1に記載の方法。
- 化学分子が低分子である、請求項1又は2に記載の方法。
- 有機媒体が、少なくとも1種の有機溶媒を含む、請求項1から3のいずれか一項に記載の方法。
- 有機溶媒の総量が、有機媒体の75体積%超である、請求項4に記載の方法。
- 有機媒体中の少なくとも1種の有機溶媒が、80℃より高い沸点を有する、請求項1から5のいずれか一項に記載の方法。
- 有機媒体中の少なくとも1種の有機溶媒が、125℃より高い沸点を有する、請求項6に記載の方法。
- 第1の液体が、1mg未満の有機分子又はその塩を含む、請求項1から7のいずれか一項に記載の方法。
- 第1の液体が、100μg未満の有機分子又はその塩を含む、請求項8に記載の方法。
- 液滴中の第1の液体の全量が、1μL未満であってもよい、請求項1から9のいずれか一項に記載の方法。
- 液滴中の第1の液体の全量が、200nL未満であってもよい、請求項10に記載の方法。
- 油がパーフルオロ化油である、請求項1から11のいずれか一項に記載の方法。
- 液滴中、第2の液体が、第1の液体の上にコーティングを形成する、請求項1から12のいずれか一項に記載の方法。
- 第2の液体が第1の液体を封入する、請求項13に記載の方法。
- 第1の液体:第2の液体の比が、体積基準で2:1~1:20の範囲にある、請求項1から14のいずれか一項に記載の方法。
- 液滴がシッティング液滴である、請求項1から15のいずれか一項に記載の方法。
- 液滴がハンギング液滴である、請求項1から15のいずれか一項に記載の方法。
- 液滴が、最初に第2の液体の液滴を形成し、次に第1の液体を第2の液体に注入して液滴を形成することによって形成される、請求項1から17のいずれか一項に記載の方法。
- 工程b)が、抗溶媒の存在下で行われる、請求項1から18のいずれか一項に記載の方法。
- 液滴が形成される表面が、マルチウェルプレートのウェルである、請求項1から19のいずれか一項に記載の方法。
- 結晶を回収する工程、及び
結晶に単結晶X線結晶構造解析を行う工程
を含む、請求項1から20のいずれか一項に記載の方法。 - 化学分子又はその塩の構造を決定する方法であって、
請求項1から19のいずれか一項に規定の複数の液滴を形成する工程、
前記複数の液滴から結晶を形成させる工程、
結晶形成の兆候を観察する工程、
形成した任意の結晶を回収する工程、
形成した結晶に単結晶X線結晶構造解析を行う工程、及び
単結晶X線結晶構造解析の結果を使用して、化学分子又はその塩の構造を決定する工程
を含み、
複数の液滴のうちの少なくとも2つが異なる、
方法。 - 化学分子又はその塩の多形をスクリーニングする方法であって、
請求項1から19のいずれか一項に規定の複数の液滴を形成する工程、
前記複数の液滴から結晶を形成させる工程、
結晶形成の兆候を観察する工程、
形成した任意の結晶を回収する工程、
形成した結晶に単結晶X線結晶構造解析を行う工程、並びに
場合により、各結晶の単結晶X線結晶構造解析の結果を、他の結晶の単結晶X線結晶構造解析の結果と互いに比較する、及び/又は化学分子若しくはその塩の既知の多形形態と比較する工程、
を含み、
複数の液滴のうちの少なくとも2つが異なる、
方法。 - 各液滴が、マルチウェルプレートの個々のウェル中で形成される、請求項22又は請求項23に記載の方法。
- 複数の液滴が、それぞれ異なっていてもよい、請求項22から24のいずれか一項に記載の方法。
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