WO2015133411A1 - 結晶性3',5'-サイクリックジグアニル酸 - Google Patents
結晶性3',5'-サイクリックジグアニル酸 Download PDFInfo
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- WO2015133411A1 WO2015133411A1 PCT/JP2015/055975 JP2015055975W WO2015133411A1 WO 2015133411 A1 WO2015133411 A1 WO 2015133411A1 JP 2015055975 W JP2015055975 W JP 2015055975W WO 2015133411 A1 WO2015133411 A1 WO 2015133411A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
- C07H19/16—Purine radicals
- C07H19/20—Purine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
- C07H19/207—Purine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids the phosphoric or polyphosphoric acids being esterified by a further hydroxylic compound, e.g. flavine adenine dinucleotide or nicotinamide-adenine dinucleotide
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H1/00—Processes for the preparation of sugar derivatives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
- C07H19/16—Purine radicals
- C07H19/20—Purine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
- C07H19/213—Purine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids containing cyclic phosphate
Definitions
- the present invention relates to a crystal of 3 ', 5'-cyclic diguanylic acid considered to be a useful substance as an adjuvant and a method for producing the crystal.
- 3 ′, 5′-cyclic diguanylic acid is a signaling substance involved in bacterial biofilm formation and the like, and in recent years, its application as an adjuvant, antiviral agent, and anticancer agent is expected ( Non-patent document 1).
- a method for producing 3 ′, 5′-cyclic diguanylic acid for example, an enzymatic synthesis method using diguanylate cyclase derived from the genus Geobacillus is known (Patent Document 1).
- Patent Document 1 Conventionally, 3 ′, 5′-cyclic diguanylic acid has been obtained as a freeze-dried product or a co-crystal with cobalt or magnesium metal salt (Non-patent Documents 2 and 3).
- 3 ′, 5′-cyclic diguanylic acid has been provided as a co-crystal containing a metal salt such as cobalt, and there are problems such as safety when the crystal is used as a pharmaceutical raw material. There was a risk of occurrence.
- 3 ′, 5′-cyclic diguanylic acid free acid crystals that do not contain these metal salts have not been known at all, including the method for obtaining them.
- all of the conventional crystal acquisition methods employ the vapor diffusion method, they are not suitable for acquiring a large amount of crystals in a short period of time. It was desired.
- the method for producing the crystal is compared with the conventional method for producing a co-crystal with a metal salt in which an acid is added to a 3 ′, 5′-cyclic diguanylic acid aqueous solution and the pH is lowered to 1 to 3.
- a metal salt in which an acid is added to a 3 ′, 5′-cyclic diguanylic acid aqueous solution and the pH is lowered to 1 to 3.
- the 3 ′, 5′-cyclic diguanylic acid crystal obtained by the method of the present invention exhibits inferior stability compared to existing crystals and does not contain extra metal ions, so it is easy to handle in various applications. It is useful as a pharmaceutical raw material.
- FIG. 1 shows a crystal photograph of 3 ', 5'-cyclic diguanylic acid crystals.
- FIG. 2 shows a crystal photograph of the magnesium co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 3 shows a crystal photograph of a cobalt co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 4 shows the results of thermogravimetry / differential thermal analysis of 3 ', 5'-cyclic diguanylic acid crystals.
- FIG. 5 shows the results of thermogravimetry / differential thermal analysis of a magnesium co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 1 shows a crystal photograph of 3 ', 5'-cyclic diguanylic acid crystals.
- FIG. 2 shows a crystal photograph of the magnesium co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 3 shows a crystal photograph of a cobalt
- FIG. 6 shows the results of thermogravimetry / differential thermal analysis of a cobalt co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 7 shows an infrared absorption spectrum of 3 ', 5'-cyclic diguanylic acid crystal.
- FIG. 8 shows an infrared absorption spectrum of a magnesium co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 9 shows an infrared absorption spectrum of a cobalt co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 10 shows an X-ray diffraction spectrum of 3 ', 5'-cyclic diguanylic acid crystal.
- FIG. 11 shows the X-ray diffraction spectrum of a magnesium co-crystal of 3 ', 5'-cyclic diguanylic acid.
- FIG. 12 shows the X-ray diffraction spectrum of a cobalt co-crystal of 3 ', 5'-cyclic diguanylic acid.
- the present invention provides a 3 ', 5'-cyclic diguanylic acid crystal represented by the following structural formula.
- the 3 ', 5'-cyclic diguanylic acid crystal of the present invention is a free acid crystal containing no metal salt obtained without using any metal such as cobalt or magnesium in the crystallization step.
- “3 ′, 5′-cyclic diguanylic acid crystal” refers to a free acid crystal that does not contain the metal salt, unless otherwise specified.
- the 3 ', 5'-cyclic diguanylic acid crystal of the present invention has a purity of 97% or more, more preferably 99% or more, when the purity is tested by a high performance liquid chromatography method.
- the water content of the 3 ', 5'-cyclic diguanylic acid crystal of the present invention is 9.3 to 13.9% as measured by the Karl Fischer method. That is, the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has 4 to 6 molecules, more specifically 3.9 to 6.3, per molecule of 3 ′, 5′-cyclic diguanylic acid. Two water molecules are bound or attached.
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has an endotherm of 213 to 217 ° C. when analyzed with a thermogravimetric / differential thermal analysis (TG / DTA) apparatus (heating rate 5 ° C./min). Has a peak. The temperature is lower than that of a co-crystal with a known metal.
- TG / DTA thermogravimetric / differential thermal analysis
- the 3 ', 5'-cyclic diguanylic acid crystal of the present invention is obtained as a cubic crystal.
- conventionally known cocrystals with metals are hexagonal flat plates or biquadratic crystals, and the crystals of the present invention and conventionally known metals differ in their structures.
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has a characteristic around 3163, 1712, 1637, 1601, 1530, 1470, 1386, 1339 (cm ⁇ 1 ) when an infrared absorption spectrum is measured. Has a peak.
- Infrared absorption spectrum measurement generally includes an error range of less than 2 (cm ⁇ 1 ). Therefore, in addition to the crystal in which the above numerical value and the peak position in the infrared absorption spectrum completely coincide, the peak is 2 cm ⁇ . crystal matching in less than one error is also, 3 'of the present invention are included in the crystal of the 5'-cyclic di-guanylate. For example, when an infrared absorption spectrum is measured, 3163 ⁇ 1.9, 1712 ⁇ 1.9, 1637 ⁇ 1.9, 1601 ⁇ 1.9, 1530 ⁇ 1.9, 1470 ⁇ 1.9, 1386 ⁇ 1. 9, with a characteristic peak at 1339 ⁇ 1.9 (cm ⁇ 1 ),
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has a characteristic peak in powder X-ray analysis.
- the crystal of the present invention is analyzed by a powder X-ray diffractometer using Cu—K ⁇ rays. Then, as shown in Examples described later, the diffraction angles (2 ⁇ ) are 8.1, 8.3, 10.8, 11.8, 16.9, 19.1, 19.5, 22.4, 25. 0.0, 26.7, 27.0, and 27.7 (°) are characteristic peaks (see FIG. 10).
- the diffraction angle (2 ⁇ ) in powder X-ray diffraction may include an error range of less than 5%. Therefore, in addition to crystals in which the diffraction angle of the peak in powder X-ray diffraction completely matches, Crystals that match with an error of less than 5% are also included in the 3 ′, 5′-cyclic diguanylic acid crystals of the present invention.
- the diffraction angle (2 ⁇ ) is 8.1 ⁇ 0.4, 8.3 ⁇ 0.4, 10.8 ⁇ 0.5, 11.8 ⁇ 0.5, 16.9. ⁇ 0.8, 19.1 ⁇ 0.9, 19.5 ⁇ 0.9, 22.4 ⁇ 1.1, 25.0 ⁇ 1.2, 26.7 ⁇ 1.3, 27.0 ⁇ 1 .3, 27.7 ⁇ 1.3 (°) with characteristic peaks.
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has a purity reduction rate of less than 1% as measured by high performance liquid chromatography when stored at 50 ° C. for 167 days in a desiccator containing saturated saline. It is a very stable crystal.
- the 3 ', 5'-cyclic diguanylic acid crystal of the present invention can be obtained by adding an acid to a 3', 5'-cyclic diguanylic acid aqueous solution and lowering the pH to 1-3.
- the 3 ', 5'-cyclic diguanylic acid used for crystallization may be synthesized by a known method such as an enzyme synthesis method or a chemical synthesis method, but is preferably synthesized by an enzyme synthesis method.
- a known method may be followed.
- the method described in Patent Document 1 can be used.
- 3 ', 5'-cyclic diguanylic acid generated in the reaction solution can be isolated and purified by a usual chromatography method using activated carbon, ion exchange resin or the like.
- an acid is added to a 3 ', 5'-cyclic diguanylic acid aqueous solution, and the pH is lowered to pH 1 to 3, preferably pH 1.5 to 2.0.
- the acid to be used include hydrochloric acid, sulfuric acid, nitric acid and the like.
- the addition is preferably performed slowly in order to prevent amorphization and rapid crystal precipitation due to the rapid addition of acid.
- (1) a process of heating an isolated and purified 3 ′, 5′-cyclic diguanylic acid aqueous solution to 50 to 70 ° C., (2) an acid is added to the solution, and the pH is adjusted to 1 to 3
- it may be carried out by a method comprising a step of lowering the pH to 1.5 to 2.0, and (3) a step of cooling the solution to 1 to 10 ° C., preferably 4 to 8 ° C.
- the cooling of (3) is preferably performed slowly. Specifically, it is preferable to cool at a temperature gradient of ⁇ 3 to ⁇ 11 ° C./hr.
- the steps (1) and (2) and the steps (2) and (3) can be performed simultaneously.
- the 3 ′, 5′-cyclic diguanylic acid crystal obtained by the above production method can be made into a product by filtering and then drying at 30 to 70 ° C. for 1 to 10 hours.
- drying a method such as drying under reduced pressure can be appropriately used.
- Example 1 Production of 3 ', 5'-cyclic diguanylic acid crystals
- Patent Document 1 3', 5'-cyclic diguanylic acid is enzymatically synthesized and purified. It was.
- the 59.9 mM 3 ′, 5′-cyclic diguanylic acid solution (191 ml) obtained by purification was heated to 60 ° C. in an incubator, and 27.5 ml of 1N hydrochloric acid solution was stirred for 2 hours with stirring. Over a pH of 1.9.
- the solution was cooled to a temperature of 5 ° C. with a temperature gradient of ⁇ 7 ° C./hr using a program incubator to precipitate crystals.
- the crystals thus precipitated were collected through a glass filter (17G3) to obtain wet crystals.
- the wet crystals were dried for 9 hours at 30 ° C. to obtain 8.095 g of dry crystals.
- the crystallization start liquid was concentrated with an evaporator under heating at 55 ° C., and when turbidity was observed, it was filled up to 500 mL again, and heated at 55 ° C. for 30 minutes for complete dissolution. When this was re-concentrated and clarified and allowed to stand at 25 ° C. overnight, precipitation of hexagonal plate crystals was observed. Therefore, the crystals were sufficiently grown by vapor diffusion, and co-crystals with magnesium were formed. Obtained.
- Example 2 Physical Properties of 3 ′, 5′-Cyclic Diguanylic Acid Crystal Results of instrumental analysis performed on the 3 ′, 5′-cyclic diguanylic acid crystal prepared in Example 1 above are as follows. Show.
- FIGS. 1 Crystal form 3 ′, 5′-cyclic diguanylic acid crystal prepared in Example 1 and co-crystal of 3 ′, 5′-cyclic diguanylic acid and magnesium prepared in Reference Example and cobalt Representative photographs of the co-crystal are shown in FIGS.
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention is a cubic crystal
- the co-crystal with magnesium is a hexagonal plate crystal, as shown in FIGS.
- the co-crystal with cobalt is a double quadrangular pyramid crystal, and the crystal of the present invention showed a completely different crystal form from the conventional crystal.
- Table 1 shows the characteristic peak (cm ⁇ 1 ) values observed for each crystal. Further, the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention and the reference 3 ′, 5′-cyclic diguanylate magnesium cocrystal and 3 ′, 5′-cyclic diguanylate cocrystal The infrared absorption spectra are shown in FIGS. 7, 8, and 9, respectively.
- the 3 ′, 5′-cyclic diguanylic acid crystals of the present invention had characteristic peaks in the vicinity of 3163, 1712, 1637, 1601, 1530, 1470, 1386, 1339 (cm ⁇ 1 ).
- the co-crystal with magnesium has characteristic peaks around 3226, 1702, 1634, 1597, 1531, 1477, 1345 (cm ⁇ 1 )
- the co-crystal with cobalt has 3179, 1638, 1576, 1534, 1487, and 1383 (cm ⁇ 1 ).
- the 3 ′, 5′-cyclic diguanylic acid crystal of the present invention has a diffraction angle (2 ⁇ ) of 8.1, 8.3, 10.8, 11.8, Characteristic peaks were observed in the vicinity of 16.9, 19.1, 19.5, 22.4, 25.0, 26.7, and 27.0.27.7 (°).
- FIG. 11 and Table 3 the results of 3 ′, 5′-cyclic diguanylate magnesium co-crystal are shown in FIG. 4 shows.
- the 3 ', 5'-cyclic diguanylic acid of the present invention had an HPLC purity reduction rate of less than 1% when 167 days at 50 ° C., and was extremely stable. This value is comparable to that of conventional co-crystals with metals, and it has been clarified that it can be used practically.
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Abstract
Description
また従来、3’,5’-サイクリックジグアニル酸は、凍結乾燥品またはコバルトやマグネシウム金属塩との共結晶として取得されている(非特許文献2、3)。
(実施例1)3’,5’-サイクリックジグアニル酸結晶の製造
公知の方法(特許文献1)に従って、酵素的に3’,5’-サイクリックジグアニル酸を合成し、精製を行った。
精製して得られた59.9mMの3’,5’-サイクリックジグアニル酸溶液(191ml)を、インキュベーターにて60℃に加温し、撹拌しながら1Nの塩酸溶液 27.5mlを2時間かけて添加し、pH1.9とした。
非特許文献2、3の記載を参考に、下記のように3’,5’-サイクリックジグアニル酸とマグネシウムまたはコバルトとの共結晶を得た。
(参考例1)3’,5’-サイクリックジグアニル酸とマグネシウムとの共結晶
結晶化開始液(2mM 3’,5’-サイクリックジグアニル酸、20mM MgCl2、20mM glycine-HCl(pH2.1)、7%(v/v) 2-MPD)500mLを調製した。
当該結晶化開始液を55℃の加温下、エバポレーターで濃縮し、白濁が観察された時点で再度500mLにフィルアップし、55℃で30分加温して完全溶解させた。これを再度濃縮し、清澄化させたものを25℃で一晩静置すると、六角平板結晶の析出が観察されたことから、蒸気拡散法にて結晶を十分育成し、マグネシウムとの共結晶を得た。
結晶化開始液(2mM 3’,5’-サイクリックジグアニル酸,11mM CoCl2,20mM glycine-HCl(pH2.1),7%(v/v) 2-MPD)500mlを調製した。
当該結晶化開始液を55℃の加温下、エバポレーターで濃縮した後、25℃で一晩静置すると、双四角錐結晶の析出が観察されたことから、蒸気拡散法での結晶育成を行った。蒸気拡散法では、密閉容器(TLC展開槽)に800mLの50%2-MPD(水:MPD=1:1)を張り、両ビーカーを6ヶ月静置することで、コバルトとの共結晶を得た。
上記実施例1で調製した3’,5’-サイクリックジグアニル酸結晶に対して実施した機器分析の結果について以下に示す。
(A)純度検定
実施例1で得られた3’,5’-サイクリックジグアニル酸結晶の純度を、高速液体クロマトグラフィー法で分析した結果、3’,5’-サイクリックジグアニル酸純度は99.0%であった。なお、高速液体クロマトグラフィー法は以下の条件で行った。
(条件)
カラム:Hydrosphere C18(YMC社製)
溶出液:0.1M TEA-P(pH6.0)
検出法:UV260nmによる検出
実施例1で調製した3’,5’-サイクリックジグアニル酸結晶ならびに参考例で調製した3’,5’-サイクリックジグアニル酸とマグネシウムとの共結晶およびコバルトとの共結晶の代表的な写真を図1~3に示す。図1に示すように、本発明の3’,5’-サイクリックジグアニル酸の結晶は立方体結晶であるのに対し、図2および3に示すようにマグネシウムとの共結晶は六角平板結晶、コバルトとの共結晶は双四角錐結晶であり、本発明の結晶は、従来の結晶とは全く異なる結晶形を示した。
実施例1で調製した3’,5’-サイクリックジグアニル酸結晶について、カールフィッシャー法により結晶の水分含量を測定した結果、水分含量は9.3~13.9%であった。すなわち、本発明の3’,5’-サイクリックジグアニル酸結晶では、3’,5’-サイクリックジグアニル酸1分子に対し約4~6分子、より詳細には3.9~6.2分子の水分子が結合又は付着していることが明らかとなった。
熱重量測定/示差熱分析(TG/DTA)装置(昇温速度5℃/分)で分析したところ、本発明の3’,5’-サイクリックジグアニル酸結晶は、213~217℃において特徴的吸熱ピークを示した(図4)。これに対し、3’,5’-サイクリックジグアニル酸とマグネシウムとの共結晶は221℃付近、コバルトとの共結晶は239℃付近に特徴的な吸熱ピークを示した(それぞれ図5、6)。
本発明の3’,5’-サイクリックジグアニル酸結晶ならびに参考例の3’,5’-サイクリックジグアニル酸とマグネシウムの共結晶および3’,5’-サイクリックジグアニル酸とコバルトの共結晶について、フーリエ変換赤外分光光度計Spectrum One(Perkin Elmer)を用いてATR(Attenuated Total Reflectance、減衰全反射)法によって赤外線吸収スペクトルを測定した。
本発明の3’,5’-サイクリックジグアニル酸結晶ならびに参考例の3’,5’-サイクリックジグアニル酸とコバルトの共結晶および3’,5’-サイクリックジグアニル酸とマグネシウムの共結晶について、X線回折装置X’Pert PRO MPD(スペクトリス)を用い、下記の測定条件でX線回折スペクトルを測定した。
ターゲット:Cu
X線管電流:40mA
X線管電圧:45kV
走査範囲:2θ=4.0~40.0°
前処理:めのう製乳鉢を用いて粉砕
本発明の3’,5’-サイクリックジグアニル酸結晶ならびに参考例のコバルトとの共結晶およびマグネシウムとの共結晶を、飽和食塩水を入れたデシケーター内に入れ50℃で保存し、保存開始から0、7、31、84、167日目後にそれぞれHPLC純度を測定した。HPLC純度(%)の測定結果を下記表5に、また、測定0日目のHPLC純度を100%としたときの、各測定日における保存開始からの残存率(%)を表6示す。
Claims (9)
- 3’,5’-サイクリックジグアニル酸結晶。
- 高速液体クロマトグラフィーで測定したとき97%以上の純度を有する請求項1記載の結晶。
- 高速液体クロマトグラフィーで測定したとき99%以上の純度を有する請求項1または2記載の結晶。
- 3’,5’-サイクリックジグアニル酸1分子に対し約4~6分子の水分子が結合又は付着している、請求項1から3のいずれかに記載の結晶。
- 熱重量測定/示差熱分析(TG/DTA)装置により測定したとき、213~217℃に吸熱ピークを示す、請求項1から4のいずれかに記載の結晶。
- 赤外線吸収スペクトルを測定したとき、3163、1712、1637、1601、1530、1470、1386、1339(cm-1)付近に特徴的なピークを有する、請求項1から5のいずれかに記載の結晶。
- 粉末X線分析において、回折角(2θ)が、8.1、8.3、10.8、11.8、16.9、19.1、19.5、22.4、25.0、26.7、27.0.27.7(°)付近に特徴的なピークを示す、請求項1から6のいずれかに記載の結晶。
- 3’,5’-サイクリックジグアニル酸水溶液に酸を添加し、pH1~3まで低下させる工程を含む、3’,5’-サイクリックジグアニル酸結晶の製造法。
- 下記(1)~(3)の工程を含む3’,5’-サイクリックジグアニル酸結晶の製造法。
(1)3’,5’-サイクリックジグアニル酸水溶液を50~70℃まで加熱する工程、
(2)3’,5’-サイクリックジグアニル酸溶液に酸を添加し、pH1~3まで低下させる工程、
(3)3’,5’-サイクリックジグアニル酸溶液を1~10℃になるまで冷却する工程。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2941353A CA2941353C (en) | 2014-03-03 | 2015-02-27 | Crystalline 3',5'-cyclic diguanylic acid |
CN201580010888.XA CN106061988B (zh) | 2014-03-03 | 2015-02-27 | 结晶性3’,5’-环二鸟苷酸 |
EP15759144.7A EP3121188B1 (en) | 2014-03-03 | 2015-02-27 | Crystalline 3',5'-cyclic diguanylic acid |
KR1020167025780A KR101946808B1 (ko) | 2014-03-03 | 2015-02-27 | 결정성 3',5'-사이클릭 디구아닐산 |
JP2016506468A JP6392320B2 (ja) | 2014-03-03 | 2015-02-27 | 結晶性3’,5’−サイクリックジグアニル酸 |
US15/123,328 US20170101432A1 (en) | 2014-03-03 | 2015-02-27 | Crystalline 3',5'-cyclic diguanylic acid |
US16/441,484 US10787479B2 (en) | 2014-03-03 | 2019-06-14 | Crystalline 3′,5′-cyclic diguanylic acid |
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US16/441,484 Division US10787479B2 (en) | 2014-03-03 | 2019-06-14 | Crystalline 3′,5′-cyclic diguanylic acid |
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CA2942283C (en) | 2014-03-14 | 2020-07-28 | Yamasa Corporation | Inclusion compound of 3',5'-cyclic diadenylic acid and manufacturing method thereof |
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WO2010101526A1 (en) * | 2009-03-02 | 2010-09-10 | Nanyang Technological University | A diguanylate cyclase, method of producing the same and its use in the manufacture of cyclic-di-gmp and analogues thereof |
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WO2005005450A1 (ja) | 2003-07-15 | 2005-01-20 | Mitsui Chemicals, Inc. | 環状ビスジヌクレオシドの合成方法 |
EP1782826A1 (en) | 2005-11-08 | 2007-05-09 | GBF Gesellschaft für Biotechnologische Forschung mbH | PQS and c-diGMP and its conjugates as adjuvants and their uses in pharmaceutical compositions |
CN102199183B (zh) * | 2010-03-26 | 2013-12-18 | 北京大学 | 环二鸟苷酸及其类似物和制备方法 |
US9061048B2 (en) | 2010-12-15 | 2015-06-23 | The Regents Of The University Of California | Cyclic di-AMP induction of type I interferon |
WO2013129427A1 (ja) | 2012-02-29 | 2013-09-06 | ヤマサ醤油株式会社 | cyclic di-GMPの実践的酵素合成法 |
CN106061988B (zh) | 2014-03-03 | 2019-12-10 | 雅玛山酱油株式会社 | 结晶性3’,5’-环二鸟苷酸 |
CA2942283C (en) | 2014-03-14 | 2020-07-28 | Yamasa Corporation | Inclusion compound of 3',5'-cyclic diadenylic acid and manufacturing method thereof |
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Non-Patent Citations (4)
Title |
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KAZUYA ISHIGE, BIOSCIENCE & INDUSTRY, vol. 70, no. 6, 1 November 2012 (2012-11-01), pages 466 - 467, XP008174493 * |
NORIAKI HIRAYAMA, YUKI KAGOBUTSU KESSHO SAKUSEI HANDBOOK, 2008, pages 17 - 23 , 37 to 40, 45 to 51, 57 to 65, XP008183763 * |
See also references of EP3121188A4 * |
YAN H ET AL., NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS, vol. 26, 2007, pages 189 - 204, XP 055331730 * |
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KR101946808B1 (ko) | 2019-02-12 |
EP3121188A4 (en) | 2017-02-22 |
EP3121188B1 (en) | 2021-12-29 |
US20170101432A1 (en) | 2017-04-13 |
CA2941353C (en) | 2019-08-20 |
JP6392320B2 (ja) | 2018-09-19 |
KR20160123379A (ko) | 2016-10-25 |
EP3121188A1 (en) | 2017-01-25 |
CN106061988A (zh) | 2016-10-26 |
CA2941353A1 (en) | 2015-09-11 |
CN106061988B (zh) | 2019-12-10 |
US20190315795A1 (en) | 2019-10-17 |
JPWO2015133411A1 (ja) | 2017-04-06 |
US10787479B2 (en) | 2020-09-29 |
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