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執大象，天下往，往而無害，安平泰
WEB: www.eosmedchem.com
EMAIL: info@eosmedchem.com; eosmedchem@gmail.com; eosmedchem@qq.com
TEL: 0086-531-69905422
GMP PLANT: No. 37, Yulong Road, Qufu City, Shandong Province.
Name: Pacritinib (SB1518)
CAS#: 937272-79-2
Chemical Formula: C28H32N4O3
Exact Mass: 472.24744
Molecular Weight: 472.57868
Elemental Analysis: C, 71.16; H, 6.83; N, 11.86; O, 10.16
Synonym: SB1518; SB 1518; SB-1518; Pacritinib.
IUPAC/Chemical Name: 11-(2-pyrrolidin-1-yl-ethoxy)-14,19-dioxa-5,7,26-triaza-tetracyclo[19.3.1.1(2,6).1(8,12)]heptacosa-1(25),2(26),3,5,8,10,12(27),16,21,23-decaene
InChi Key: HWXVIOGONBBTBY-ONEGZZNKSA-N
InChi Code: InChI=1S/C28H32N4O3/c1-2-13-32(12-1)14-17-35-27-9-8-25-19-24(27)21-34-16-4-3-15-33-20-22-6-5-7-23(18-22)26-10-11-29-28(30-25)31-26/h3-11,18-19H,1-2,12-17,20-21H2,(H,29,30,31)/b4-3+
SMILES Code: C1(C2=NC(NC3=CC=C(OCCN4CCCC4)C(COC/C=C/COC5)=C3)=NC=C2)=CC5=CC=C1
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility: Soluble in DMSO, not in water
Shelf Life: >5 years if stored properly
Drug Formulation: This drug may be formulated in DMSO
Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).
Harmonized System Code: 293490
ADDITIONAL INFORMATION
SB1518 is an innovative pyrimidine-based macrocycle that shows a unique kinase profile with selective inhibition of Janus Kinase-2 (JAK2; IC(50)=23 and 19 nM for JAK2(WT) and JAK2(V617F), respectively) within the JAK family (IC(50)=1280, 520 and 50 nM for JAK1, JK3 and TYK2, respectively) and fms-like tyrosine kinase-3 (FLT3; IC(50)=22 nM). SB1518 shows potent effects on cellular JAK/STAT pathways, inhibiting tyrosine phosphorylation on JAK2 (Y221) and downstream STATs. As a consequence SB1518 has potent anti-proliferative effects on myeloid and lymphoid cell lines driven by mutant or wild-type JAK2 or FLT3, resulting from cell cycle arrest and induction of apoptosis. SB1518 has favorable pharmacokinetic properties after oral dosing in mice, is well tolerated and significantly reduces splenomegaly and hepatomegaly in a JAK2(V617F)-driven disease model. SB1518 dose-dependently inhibits intra-tumor JAK2/STAT5 signaling, leading to tumor growth inhibition in a subcutaneous model generated with SET-2 cells derived from a JAK2(V617F) patient with megakaryoblastic leukemia. Moreover, SB1518 is active against primary erythroid progenitor cells sampled from patients with myeloproliferative disease. In summary, SB1518 has a unique profile and is efficacious and well tolerated in JAK2-dependent models. These favorable properties are now being confirmed in clinical studies in patients with myelofibrosis and lymphoma. ( source: Leukemia. 2011 Nov;25(11):1751-9. ).
REFERENCES
1: Hart S, Goh KC, Novotny-Diermayr V, Hu CY, Hentze H, Tan YC, Madan B, Amalini C, Loh YK, Ong LC, William AD, Lee A, Poulsen A, Jayaraman R, Ong KH, Ethirajulu K, Dymock BW, Wood JW. SB1518, a novel macrocyclic pyrimidine-based JAK2 inhibitor for the treatment of myeloid and lymphoid malignancies. Leukemia. 2011 Nov;25(11):1751-9. doi: 10.1038/leu.2011.148. Epub 2011 Jun 21. PubMed PMID: 21691275.
2: William AD, Lee AC, Blanchard S, Poulsen A, Teo EL, Nagaraj H, Tan E, Chen D, Williams M, Sun ET, Goh KC, Ong WC, Goh SK, Hart S, Jayaraman R, Pasha MK, Ethirajulu K, Wood JM, Dymock BW. Discovery of the macrocycle 11-(2-pyrrolidin-1-yl-ethoxy)-14,19-dioxa-5,7,26-triaza-tetracyclo[19.3.1.1(2,6). 1(8,12)]heptacosa-1(25),2(26),3,5,8,10,12(27),16,21,23-decaene (SB1518), a potent Janus kinase 2/fms-like tyrosine kinase-3 (JAK2/FLT3) inhibitor for the treatment of myelofibrosis and lymphoma. J Med Chem. 2011 Jul 14;54(13):4638-58. Epub 2011 Jun 15. PubMed PMID: 21604762.
3: Biffa D, Skjerve E, Oloya J, Bogale A, Abebe F, Dahle U, Bohlin J, Djønne B. Molecular characterization of Mycobacterium bovis isolates from Ethiopian cattle. BMC Vet Res. 2010 May 27;6:28. PubMed PMID: 20507576; PubMed Central PMCID: PMC2886024.
