Antidiabetic...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

Reexamination Certificate

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Details

C514S043000, C514S045000, C514S046000, C514S047000, C514S866000, C536S026100, C536S026120, C536S026130, C536S026210, C536S026260

Reexamination Certificate

active

07319093

ABSTRACT:
2-Substituted-5′-O-(1-boranotriphosphate)adenosine derivatives having at position 2 a radical R1 selected from the group consisting of H; halogen; O-hydrocarbyl; S-hydrocarbyl; NR3R4; and hydrocarbyl optionally substituted by halogen, CN, SCN, NO2, OR3, SR3 or NR3R4; wherein R3 and R4 are each independently H or hydrocarbyl or R3 and R4 together with the nitrogen atom to which they are attached form a saturated or unsaturated heterocyclic ring optionally containing 1-2 further heteroatoms selected from oxygen, nitrogen and sulfur, and pharmaceutically acceptable salts or diastereoisomers thereof or a mixture of diastereoisomers, are useful for treatment of type 2 diabetes.

REFERENCES:
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patent: 5260427 (1993-11-01), Spielvogel et al.
patent: 5434143 (1995-07-01), Spielvogel et al.
patent: 5547942 (1996-08-01), Rapaport
patent: 5986086 (1999-11-01), Brush et al.
patent: WO 01/51490 (2001-07-01), None
patent: WO 03/008432 (2003-01-01), None
He et al. (“Synthesis and Separation of Diastereomers of Ribonucleoside 5′-(α-P-Borano)triphosphates”, J. Org. Chem., vol. 63. pp. 5769-5773, 1998).
He et al., “Synthesis and Separation of Diastereomers of Ribonucleoside 5′-(α-P-Borano) Triphosphates,” J. Org. Chem. 63:5769-5773, 1998.
Kozarich et al., “Ribonucleoside Phosphates via Phosphorimidazolidate Intermediates. Synthesis of Pseudoadenosine 5′-Triphosphate,” Biochemistry 12:4458-4463, 1973.
Fischer et al., “2-Thioether 5′-0-(1-Thiotriphosphate) Adenosine Derivatives as New Insulin Secretagogues Acting Through P2Y-Receptors,” J. Med. Chem. 42:3636-3646, 1999.
Hall et al., “Hypolipidemic Activity of Boronated Nucleosides and Nucleotides in Rodents,” Biomed. & Pharmacother. 47:79-87, 1993.
Hillaire-Buys et al., “Purinergic Receptors on Insulin-Secreting Cells,” Fundam. Clin. Pharmacol. 8:117-127, 1994.
Supplementary Partial European Search Report from corresponding European Application No. EP 02 77 7766 dated Sep. 5, 2005.

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