JP2013525504A - 新規エクジステロン合成誘導体及びその製造方法と用途 - Google Patents
新規エクジステロン合成誘導体及びその製造方法と用途 Download PDFInfo
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- JP2013525504A JP2013525504A JP2013509438A JP2013509438A JP2013525504A JP 2013525504 A JP2013525504 A JP 2013525504A JP 2013509438 A JP2013509438 A JP 2013509438A JP 2013509438 A JP2013509438 A JP 2013509438A JP 2013525504 A JP2013525504 A JP 2013525504A
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- 230000008313 sensitization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 208000001072 type 2 diabetes mellitus Diseases 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- C07J71/0026—Oxygen-containing hetero ring cyclic ketals
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Abstract
Description
2. 26-ヒドロキシエクジステロン-26-リン酸エステル(THOMPSON, M.J.等、(1985) Arch. Insect Biochem. Physiol. 2, 227-236);
3. 20-ヒドロキシエクジステロン-22-リン酸エステル(TSOUPRAS, G.等、(1982) Steroids 40, 551-560);
4. 20-ヒドロキシエクジステロン-3-アセテート2-リン酸エステル(ISAAC, R.E.等、(1984) Biochem. J. 231, 459-464);
5. 20-ヒドロキシエクジステロン-3(2)-リン酸エステル(TSOUPRAS, G.等、(1983) C. R. Acad. Sci. Paris, Ser. III, 296, 77-80);
6. 20-ヒドロキシエクジステロン-3(2)-アセテート-22-リン酸エステル(TSOUPRAS, G.等、(1983) C. R. Acad. Sci. Paris, Ser. III, 296, 77-80);
7. エクジステロン-3-リン酸エステル(TSOUPRAS, G.等、(1982) (Thesis, Strasbourg, France));
8. エクジステロン-2-リン酸エステル(ISAAC, R.E.等、(1984) Biochem. J. 217, 239-243);
9. エクジステロン-2,3-ジアセテート-22-リン酸エステル(TSOUPRAS, G.等、(1982) (Thesis, Strasbourg, France));
10. エクジステロン-2-アセテート-3-リン酸エステル(ISAAC, R.E.等、(1984) Biochem. J. 217, 239-243);
11. エクジステロン-3(2)-アセテート-22-リン酸エステル(ISAAC, R.E.等、(1984) Biochem. J. 231, 459-464)。
(1) 20-ヒドロキシ-β-エクジステロンを原料として有機溶媒の存在条件下でフェニルボロン酸と反応させて式II化合物を得るステップと、
(3)式IV化合物を式V化合物と反応させて式VI化合物を得るステップと、
(4)式VI化合物を塩基と過酸化物の存在下で脱保護して式VII化合物を得るステップと、
(5)式VII化合物をPOCl3と反応させて式VIII化合物を得るステップと、
(6)式VIII化合物を酸性条件下で脱保護して式I化合物を得るステップと、を含む。
式1化合物の製造
まず、化合物1(即ちIV化合物、ここでR1とR2はそれぞれメチル基)を製造する。
式I化合物ナトリウム塩(即ち式I’化合物)の製造:
実施例1で得られた化合物3(5.00 g、7.88 mmol)とピリジン(12.7mL)を50 mL THFに溶解する。氷水浴による冷却下で、オキシ塩化リンを5.7 mLゆっくりに滴下し、滴下終了後、室温で4h反応し、反応液を-30℃まで冷却し、飽和炭酸水素ナトリウムをゆっくり滴下してpHを7に調節する。反応液をEtOAc(150mL)で希釈し、無水硫酸ナトリウムで乾燥し、ろ過、濃縮する。粗製品をさらに精製せずに直接に次の反応に与える。
式I化合物を5mg含む医薬組成物錠剤の製造。
式I化合物を100mg含む医薬組成物錠剤の製造。
式I化合物を50mg含む医薬組成物のカプセル剤の製造。
実施例1で得られた式I化合物に対して体外HepG2細胞グルコース消費量の検定実験を行い、実験過程は以下のとおりである。
式I化合物(実施例1の方法により製造してなる)は白色又は類白色の結晶性粉末であり、融点が164〜177℃、分子式がC27H43 O9P、分子量が542.6であり、1gの本製品を完全に溶解するのに12mLの水が必要であり、その溶解性が約20-ヒドロキシ-β-エクジステロンの10倍に相当する。
実施例1と実施例2で得られた式I化合物及びそのナトリウム塩に対して薬理学実験を行い、実験過程は以下のとおりである
体重が21±1.8gの雄性マウス(昆明種マウス:SPF級、雄性、四川省中医薬科学院実験動物センターにより提供)40匹をランダムに4群に分け、それぞれ対照群、式I化合物5mg/kg群、式I化合物ナトリウム塩5mg/kg群及びグリベンクラミド(天津太平洋製薬有限公司製)25mg/kg群になる。対照群に蒸留水を投与し、残りの各群に相応した薬物を投与する。1日ごとに0.2ml/10gの投与体積により2回直接胃内投与し、連続的に19回投与する。第5目投与後及び第19目投与後、徹底的に2時間断食させた後、全血血糖測定装置を用いてマウスの血糖値を測定してかつそれぞれ記録する。以下の結果が得られる。
(1) 20-ヒドロキシ-β-エクジステロンを原料として有機溶媒の存在条件下でフェニルボロン酸と反応させて式II化合物を得るステップと、
(3)式IV化合物を式V化合物と反応させて式VI化合物を得るステップと、
(4)式VI化合物を塩基と過酸化物の存在下で脱保護して式VII化合物を得るステップと、
(5)式VII化合物をPOCl3と反応させて式VIII化合物を得るステップと、
(6)式VIII化合物を酸性条件下で脱保護して式I化合物を得るステップと、を含む。
Claims (10)
- 前記薬学的に許容可能な塩が金属塩、有機アミン又はアンモニウム塩から選ばれる請求項1に記載の化合物。
- (1)20-ヒドロキシ-β-エクジステロンを原料として有機溶媒の存在条件下でフェニルボロン酸と反応させて式II化合物を得るステップと、
(3)式IV化合物を式V化合物と反応させて式VI化合物を得るステップと、
(4)式VI化合物を塩基と過酸化物の存在下で脱保護して式VII化合物を得るステップと、
(5)式VII化合物をPOCl3と反応させて式VIII化合物を得るステップと、
(6)式VIII化合物を酸性条件下で脱保護して式I化合物を得るステップと、を含む請求項1〜3のいずれか1項に記載の化合物の製造方法。
- ステップ(6)で式I化合物を得た後、通常の造塩方法により式I化合物の塩を得る請求項4に記載の方法。
- ステップ(2)の式III化合物におけるR1、R2、RX及びRYが同時にメチル基である請求項4に記載の方法。
- ステップ(3)の式V化合物におけるR3、R4及びR5が同時にメチル基又はエチル基であり、Xが塩素である請求項4に記載の方法。
- ステップ(1)において、前記有機溶媒がジメチルホルムアミド、ジメチルアセトアミド、テトラヒドロフラン又はジメチルスルホキシドから選ばれ、前記反応温度が0〜50℃であり、
ステップ(2)において、前記酸性条件がp-トルエンスルホン酸、p-トルエンスルホン酸ピリジニウム又は二塩化スズから選ばれる酸性触媒の存在の条件を意味し、
ステップ(3)において、反応が有機塩基と活性化剤の存在下で行われ、前記有機塩基がイミダゾール、N-メチルモルホリン、ピリジン又はトリエチルアミンから選ばれ、前記活性化剤が 4-ジメチルアミノピリジン又はジメチルホルムアミドから選ばれ、
ステップ(4)において、前記塩基が水酸化ナトリウム、水酸化カリウム、炭酸カリウム又は炭酸ナトリウムであり、前記過酸化物が過酸化水素であり、
ステップ(5)において、反応が有機塩基の存在下で行われ、前記有機塩基がピリジン、トリエチルアミン又はイミダゾールから選ばれる請求項4に記載の方法。 - 請求項1〜3のいずれか1項に記載の化合物を含む医薬組成物。
- 請求項1〜3のいずれか1項に記載の化合物の血糖降下薬製造用としての用途。
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