Patents

Patents Granted to Late. Dr.P.Daisy: 2

Patent No.:244666

Title of the invention :A process for preparation of a novel compound, 5,6-dihydroxy-3-[(4-hydroxy-6(hydroxymethyl) 3,5-DI[3,4,5-trihydroxy-6-(hydroxymethyl) tetrahydro-2H-2pyranyl] oxytetrahydro-2H-2-pyranyl)oxy] -2-methoxy-10, 13- imethylperhydrocyclopenta [±] phenanthren-17-yl (phenyl)methylacetate from Syzygium cumini (l) skeels, seeds with antibacterial and antidiabetic activity.

Patent No.:246537

Title of the invention:A process for preparation of a novel compound Gymnemic triacetate from Gymnema sylvestre R. BR.leaves with antidiabetic activity.

Patents Filed (Late. Dr.P.Daisy & Dr.M.Rajalakshmi): 8

i. A process for preparation of a novel compound Terpenoid from Elephantopus scaber (809/CHE/2007)
ii. A process for preparation of a novel compound Dihydroxy Gymnemic triacetate from Gymnema sylvestre (1653/CHE/2007).
iii. A process for preparation of a novel compound Gymnemic diacetate from Gymnema sylvestre (1652/CHE/2007)
iv. A process for preparation of a novel compound17-[(E)-4-ethyl-1,5-dimethyl-2-hexenyl]-11-hydroxy-5-(hydroxymethyl)13,14-dimethyl-5,6,7,11,12,13,14,15, 16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one from Cassia fistula
v. A process for preparation of a novel compound17-[(E)-1,5-dimethyl-2-hexenyl]-11-hydroxy-5-(hydroxymethyl)-13,14-dimethyl-5,6,7,11,12,13,14, 15, 16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one from Cassia fistula
vi. A process for preparation of a novel compound17-[(2E,5E)-4,7-diethyl-1,8-dimethyl-2,5-nonadienyl]-11-hydroxy-5-(hydroxymethyl)-13,14-dimethyl-5,6,7,11,12,13,14,15,16,17-decahydro-3H cyclopenta [a] phenanthren-3-one fromCassia fistula
vii. A process for preparation of a novel compound 7-(4-hydrdoxy-9,10-dioxo-9,10-dihyroanthracen-2yl)-3-methylept-2-enoic acid  from Cassia auriculata stem bark with anti-diabetic property.
viii. A process for preparation of a novel polysaccharide from methanol extract of Tinospora cordifolia stem with anti-diabetic property