Zobrazeno 1 - 10
of 333
pro vyhledávání: '"V. Das Gupta"'
Autor:
Nina N. Makhova, Mikhail I. Pleshchev, Ivan V. Fedyanin, Vladimir V. Kuznetsov, Nikita V. Das Gupta, Vadim V. Kachala
Publikováno v:
Tetrahedron. 71:9012-9021
A new, facile, regioselective ceric ammonium nitrate (CAN)-mediated one-pot access to bridgehead hydrazine bicyclic cationic structures with 2,3-dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium cations and [Ce3+(NO3)6]3− anion has been developed. The approa
Autor:
Nikita V. Das Gupta, Nina N. Makhova, Ivan S. Bushmarinov, Marina I. Struchkova, Dmitriy V. Khakimov, Mikhail I. Pleshchev, Alexander S. Goloveshkin
Publikováno v:
Mendeleev Communications. 25:188-190
[3 + 2] Cycloaddition of 1-arylmethylidene-3-oxopyrazolidin-1-ium-2-ides (stable azomethine imines) to (arylmethylidene)malononitriles proceeds regio- and stereoselectively to afford 1,3-diaryl-5-oxotetrahydropyrazolo[1,2-a]pyrazole-2-carbonitriles t
Autor:
Nikita V. Das Gupta, Ivan V. Fedyanin, Mikhail I. Pleshchev, Nina N. Makhova, Vadim V. Kachala, Vladimir V. Kuznetsov
Publikováno v:
ChemInform. 47
A new, facile, regioselective ceric ammonium nitrate (CAN)-mediated one-pot access to bridgehead hydrazine bicyclic cationic structures with 2,3-dihydro-1H-pyrazolo[1,2-a]pyrazol-4-ium cations and [Ce3+(NO3)6]3− anion has been developed. The approa
Autor:
Kenneth R. Stewart, V. Das Gupta
Publikováno v:
Journal of Clinical Pharmacy and Therapeutics. 10:67-72
The chemical stabilities of metronidazole (in water) and ten antibiotics (ampicillin, carbenicillin, cefamandole, cefazolin, cefoxitin, moxalactam, nafcillin, penicillin G, piperacillin, and ticarcillin) in 5% dextrose injection (except ampicillin wh
Autor:
D. W. N. Simon, Simon C.F. Rawlinson, Roger Emery, V. Das-Gupta, Claire E. Clarkin, Andrew A. Pitsillides
Publikováno v:
The Journal of Bone and Joint Surgery. British volume. :680-684
We examined cultured osteoblasts derived from paired samples from the greater tuberosity and acromion from eight patients with large chronic tears of the rotator cuff. We found that osteoblasts from the tuberosity had no apparent response to mechanic
Autor:
Mikhail I. Pleshchev, Marina I. Struchkova, Dmitriy V. Khakimov, Nikita V. Das Gupta, Ivan S. Bushmarinov, Nina N. Makhova, Alexander S. Goloveshkin
Publikováno v:
ChemInform. 46
[3 + 2] Cycloaddition of 1-arylmethylidene-3-oxopyrazolidin-1-ium-2-ides (stable azomethine imines) to (arylmethylidene)malononitriles proceeds regio- and stereoselectively to afford 1,3-diaryl-5-oxotetrahydropyrazolo[1,2-a]pyrazole-2-carbonitriles t
Autor:
V Das, Gupta
Publikováno v:
International journal of pharmaceutical compounding. 6(3)
A stability-indicating high-performance liquid chromatographic assay method was used to study the stability of cefotaxime sodium (50 mg/mL) in 0.9% sodium chloride injection in polypropylene syringes at 5 deg C and 25 deg C. The concentrations of the
Autor:
Mary Mathew, V. Das Gupta
Publikováno v:
Drug Development and Industrial Pharmacy. 21:833-837
When developing a HPLC assay method for drugs, the pH of the mobile phase can be effectively used as a tool to accomplish complete separation. Using two weak acids (hydrocortisone sodium succinate and methylprednisolone sodium succinate) and a weak b
Publikováno v:
Drug Development and Industrial Pharmacy. 21:965-971
A stability-indicating HPLC assay method for the quantitation of omeprazole has been developed. The developed method was used to study the effect of pH on the stability of omeprazole and to quantify the drug in capsules. The excipients present in the
Autor:
V. Das Gupta, Mary Mathew
Publikováno v:
Drug Development and Industrial Pharmacy. 21:257-264
A stability-indicating HPLC assay method for the quantitation of vancomycin HCl has been developed. The developed method was used to study the effect of pH, phosphate buffer concentration and ionic strength on the stability of vancomycin HCl. The pH-