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DS 2330 by Daiichi Sankyo

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DS 2330

a trans compd

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 isomer CAS 1634681-85-8
DISODIUM SALT 1634681-00-7
  • Originator Daiichi Sankyo Inc
  • Class Hyperphosphataemia 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)

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SEE  WO2015108038,

PATENT

WO2014175317

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

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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

OR

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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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 29 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 29 year tenure till date Aug 2016, Around 30 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 25 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 13 lakh plus views on New Drug Approvals Blog in 212 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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