Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Reexamination Certificate
2007-11-05
2010-06-22
Kumar, Shailendra (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
C564S186000, C562S020000, C549S220000
Reexamination Certificate
active
07741506
ABSTRACT:
A myo-inositol derivative:R1, R2, R3and R4are identical, being selected from PO3H2, PO3Na2, PO3K2, PO3Li2, PO3Ca, PO3Mg, PO3(NH4)2, PO3(RNH3)2, PO3(R2NH2)2, PO3(R4N)2, PO(OR)2, H, COZ and BHPP, where R is benzyl or alkyl of 1 to 6 carbon atoms and Z is an alkyl or arylalky group providing a cleavable protecting group; R5is one of H, benzyl, 4-methoxybenzyl, COZ, PO3H2, PO3Na2, PO3K2, PO3Li2, PO3Ca, PO3Mg, PO3(NH4)2, PO3(RNH3)2, PO3(R2NH2)2, PO3(R4N)2, PO(OR)2, and BHPP, where R is benzyl or alkyl of 1 to 6 carbon atoms and Z is an alkyl or arylalky group providing a cleavable protecting group; X is one of CH2, CH2CH2O, and CH2CH2CH2O; n is an integer from 1 to 8; L1is a single bond or CH2; L2is one of a single bond, CONH, CH2CONH, CH2CH2CONH, CH2CH2NHCO, CH2CH2NHCONH, CH2CH2NHCSNH, CH2CH2NHSO2, CH2CH2CH2NHCO, CH2CH2CH2NHCONH, CH2CH2CH2NHCSNH, CH2CH2CH2NHSO2, NHCO, NHCONH, NHCSNH, OCONH, CH2, CH2CH2, CH2CH2O, CH2CH2S, CH2CH2NH, CH2CH2CH2, CH2CH2CH2O, CH2CH2CH2S, CH2CH2CH2NH, and NH—SO2; and R6is a UV-visible chromophore, a UV-chromophore, a fluorescent moiety, or a radiolabeled moiety.
REFERENCES:
patent: 2004/0106158 (2004-06-01), Naqvi et al.
Riley et al., Journal of Biological Chemistry, vol. 277, No. 43, 2002, 40290-40295.
Berry and Berry. Tethered phytic acid as a probe for measuring phytase activity. Bioorganic & Medicinal Chemistry Letters 15 (2005) 3157-3161.
Marecek and Prestwich. Synthesis of Tethered Phytic Acid. Tetrahedron Letters vol. 32 No. 16pp. 1863-1866, 1991.
Glenn D. Presiwich. Tethered IP3. Syntesis and Biochemical Applications of the 1-0-(3-Aminopropyl)Ester of Inositol, 1,4,5-Trisphosphate, J. Am. Chem. Soc. 1991. 1822-1825.
Jeroni Morey. A ‘naked eye’ chemosensor system for phytate, Tetrahedron Letters 45 2004, 121-1265, Elsevier Ltd.
Shoichiro Ozaki. Synthesis and Some Properties of D-myo-Inositol 1,4,5-Tris (dihydrogen phosphate), J. Chem. Soc. Perkin Trans., 1992, 729-737.
J. Garegg. Synthesis of some mono-O-benzyl-and penta-O-methyl-myo-Inositols*. Carbohydrate Research, 1984, 322-326, Elsevier Science Publishers B.V., Amsterdam.
James F. Marecek. Synthesis of Tethered Phytic Acid. Tetrahedron Letters, 1991, 1863-1866, vol. 32, No. 16.
Wikipedia. Inositol triphosphate, [online], [retrieved on Jan. 22, 2007], retrieved from the Internet <url:http://en.wikipedia.org/wik/Inositol—triphosphate).
Andrew M. Riley. Dimers of D-myo-Inositol 1,4,5-Trisphosphate: Design, Synthesis, and Interaction with Ins(1,4,5) P3 Receptors, Bioconjugate Chem., 2004, 278-289, 15, American Chemical Society.
Berry & Associates, Inc.
Kumar Shailendra
Young Basile Hanlon & MacFarlane P.C.
LandOfFree
Probe for measuring phytase activity does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Probe for measuring phytase activity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Probe for measuring phytase activity will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4189883