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DS 2330

4-[2-(4-{[2-({3-[(trans-4-carboxy-cyclohexyl)(ethyl)sulfocarbamoyl]benzoyl}amino)-5-(piperidin-1-yl)benzoyl]amino}phenyl)ethyl]benzoic acid,

4- [2- (4 – {[2 – ({3 – [(trans-4-carboxy-cyclohexyl) (ethyl) sulfur carbamoyl] benzoyl} amino) -5- (piperidin-1-yl) benzoyl] amino} phenyl) ethyl] benzoate

CAS 1634680-81-1

C₄₃ H₄₈ N₄ O₈ S, 780.9

Benzoic acid, 4-[2-[4-[[2-[[3-[[(trans-4-carboxycyclohexyl)ethylamino]sulfonyl]benzoyl]amino]-5-(1-piperidinyl)benzoyl]amino]phenyl]ethyl]-

CIS CAS 1634681-85-8

DISODIUM SALT 1634681-00-7

OriginatorDaiichi Sankyo Inc
ClassHyperphosphataemia therapies

useful for treating hyperphosphatemia, DS-2330, a phosphorous lowering agent, being developed by Daiichi Sankyo, for treating hyperphosphatemia in chronic kidney disease. In April 2016, DS-2330 was reported to be in phase 1 clinical development.

Phase IHyperphosphataemia

31 Oct 2015Phase-I clinical trials in Hyperphosphataemia in USA (unspecified route)

SEE WO2015108038,

PATENT

WO2014175317

http://www.google.com/patents/EP2990400A1?cl=en

PATENT

WO-2016047613

he problem is to provide a pharmaceutical for the prevention or treatment of hyperphosphatemia. The solution is a salt of a compound including formula (I), or a crystal of a hydrate thereof.

(Example 1)
disodium 4- [2- (4 – {[2 – ({3 – [(trans-4-carboxy-cyclohexyl) (ethyl) sulfur carbamoyl] benzoyl} amino) -5- (piperidin-1-yl ) benzoyl] amino} phenyl) ethyl] benzoic acid trihydrate
Disodium 4- [2- (4 – { [2 – ({3 – [(trans-4-carboxylatocyclohexyl) (ethyl) sulfamoyl] benzoyl} amino) – 5- (piperidin-1-yl) benzoyl] amino} phenyl) ethyl] benzoate trihydrate
of α crystal

[Formula 7] crystal of disodium salt trihydrate of (α crystal)

(1)
4- [2- (4 – {[2 – ({3 – [(trans-4-carboxy-cyclohexyl) (ethyl) sulfur carbamoyl] benzoyl} amino) -5- (piperidin-1-yl) benzoyl] amino} phenyl) ethyl] 1 mol / L NaOH aqueous solution to benzoic acid (1.2 g) (3.1 mL) was added and dissolved completely. After stirring at room temperature for 1 day was added acetonitrile (60 mL), at 40 ° C.
and stirred for further 1 day. The precipitated solid was collected by filtration, and 3 hours drying under reduced pressure at room temperature to give the title compound 1.1 g (85%).

(2)

　4- [2- (4 – {[2 – ({3 – [(trans-4-carboxy-cyclohexyl) (ethyl) sulfur carbamoyl] benzoyl} amino) -5- (piperidin-1-yl) benzoyl] amino} phenyl) ethyl] benzoate (40.0 g)
in water (46.4 mL), 1-PrOH (72 mL), 4 mol / L NaOH aqueous solution (25.54 mL) was added, then filtered after stirring insolubles at room temperature, water / 1-PrOH: was washed with (3 7, 80 mL). The filtrate was heated up to 40 ℃, 1-PrOH the (160 mL) was added, and further seed crystal (α crystals, 0.2g) was added. Then the temperature was raised to 50 ℃, 1-PrOH (96 ml) was added, and the mixture was stirred overnight.Thereafter, 1-PrOH (480 ml) was added and after overnight stirring, was collected by filtration the precipitated solid was cooled to room temperature.Thereafter, and vacuum dried overnight at 40 ° C., to give the title compound 39.4 g (96%).

REFERENCES

http://www.daiichisankyo.com/media_investors/investor_relations/ir_calendar/files/005280/Presentation%20Material.pdf

////////////DS 2330, DS-2330, DAIICHI SANKYO, phase 1

O=C(O)[C@@H]1CC[C@H](CC1)N(CC)S(=O)(=O)c2cccc(c2)C(=O)Nc5ccc(cc5C(=O)Nc4ccc(CCc3ccc(cc3)C(=O)O)cc4)N6CCCCC6

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