Sphingosine-1-phosphate receptor agonist, preparation method thereof and pharmaceutical composition containing same as active ingredient
A compound and pharmaceutical technology, applied in the field of sphingosine-1-phosphate receptor agonist, its preparation and pharmaceutical composition containing it as an active ingredient, can solve the problem of decreased lymphocyte infiltration and achieve therapeutic or preventive immunity Effects of adjustment disorders
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preparation example 1-1
[0104] Preparation Example 1-1: Synthesis of 7-hydroxy-2H-chromene-3-carbaldehyde
[0105] The title compound was obtained according to the method described in International Patent Publication No. 2010-064707.
[0106] NMR: 1 H-NMR (400 HMz, CDCl 3 );δ9.51(s,1H),7.40(m,5H),7.19(s,1H),7.11(d,1H),6.60(dd,1H),6.49(d,1H),5.10(s, 2H),5.00(s,2H)
preparation example 1-2
[0107] Preparation Example 1-2: Synthesis of (3-chloro-1-isopropyl-1H-indazol-5-yl)-methanol
[0108] The title compound was obtained according to the method described in Korean Registered Patent No. 10-1939657.
[0109] NMR: 1 H-NMR (400HMz, CDCl3); δ 7.64 (s, 1H), 7.43 (m, 2H), 4.79 (m, 3H), 1.83 (br s, 1H), 1.56 (d, 6H)
preparation example 1-3
[0110] Preparation Example 1-3: Synthesis of 7-(3-chloro-1-isopropyl-1H-indazol-5-ylmethoxy)-2H-chromene-3-carbaldehyde
[0111] (3-Chloro-1-isopropyl-1H-indazol-5-yl)-methanol (383 mg, 1.70 mmol) obtained from Preparation Example 1-2 and 7-hydroxy- 2H-chromene-3-carbaldehyde (300 mg, 1.70 mmol) was dissolved in toluene (10 mL), and tributylphosphine (BuP 3 , 291 mg, 1.44 mmol) and 1,1'-(azodicarbonyl)dipiperidine (ADD, 363 mg, 1.44 mmol). After stirring the mixture at room temperature for 18 hours, an excess of hexane was added thereto. The mixture was filtered, and the filtrate was distilled under reduced pressure. The residue was purified by column chromatography to give the title compound (320 mg, 49%).
[0112] NMR: 1 H-NMR (400 HMz, CDCl 3 );δ9.52(s,1H),7.71(s,1H),7.47(dd,J=1.6Hz,1H),7.44(d,1H),7.21(s,1H),7.14(d,1H) ,6.62(dd,J=2.4Hz,1H),6.52(d,1H),5.16(s,2H),5.03(s,2H),4.83-4.76(m,1H),1.57(d,6H)
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