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Autor:
Kai Cao, Balu Balasubramanian, Ramaswamy A. Iyer, Ronald L. Hanson, Hong Su, Manchand Percy Sarwood, Samuel J. Bonacorsi, Jollie D. Godfrey, Rita Fox, Lisa J. Christopher
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 50:1224-1229
An efficient synthesis of carbon-14-labeled Saxagliptin (BMS-477118) is described. Initial synthesis of the key radiolabeled intermediate (S)-N-Boc-2-(3′-hydroxyadamantyl)glycine 2a utilized adamantanemethanol in a 10-step sequence. To shorten the
Autor:
Norbert Astecker, D.Sunita Rao, Paul Vouros, Gino J. Sasso, Mei-Ling Siu-Caldera, Milan R. Uskokovic, Percy S. Manchand, A. Weiskopf, G. Satyanarayana Reddy
Publikováno v:
Archives of Biochemistry and Biophysics. 383:197-205
The secosteroid hormone 1alpha,25-dihydroxyvitamin D3 [1alpha,25(OH)2D3] is metabolized in its target tissues through modifications of both the side chain and the A-ring. The C-24 oxidation pathway, the previously well established main side chain mod
Autor:
H. P. Koeffler, Anthony W. Norman, Manchand Ps, Sara Peleg, J. E. Bishop, Takeuchi Ja, Uskokovic Mr, W. H. Okamura, Hisatake Ji
Publikováno v:
Journal of Medicinal Chemistry. 43:2719-2730
The hormone 1alpha,25(OH)(2)-vitamin D(3) (125D) binds to its nuclear receptor (VDR) to stimulate gene transcription activity. Inversion of configuration at C-20 of the side chain to generate 20-epi-1alpha,25(OH)(2)D(3) (20E-125D) increases transcrip
Autor:
Harold L. Newmark, Wei Ma, Mou-Tuan Huang, P. S. Manchand, Allan H. Conney, C. Fisher, Richard L. Chang, Yao-Ping Lu
Publikováno v:
Carcinogenesis. 16:2493-2497
Commercial grade curcumin (approximately 77% curcumin, 17% demethoxycurcumin and 3% bisdemethoxycurcumin) is widely used as a yellow coloring agent and spice in foods. In the present study topical application of commercial grade curcumin, pure curcum
Publikováno v:
Indian Journal of Oral Health and Research. 2:82
Objectives: To assess oral health status and treatment needs of the health workers in Shimla district, Himachal Pradesh. Materials and Methods: A cross-sectional study was conducted among health workers in Shimla district, Himachal Pradesh. A sample
Autor:
David R. Kronenthal, Maxime Soumeillant, Frank Gibson, Michael J. Humora, Manchand Percy Sarwood, Ambarish K. Singh
Publikováno v:
Organic Process Research & Development. 6:814-816
A practical synthesis of l-valyl-pyrrolidine-(2R)-boronic acid (1) is detailed. A previously disclosed synthesis of 1 (Snow, R.; Kelly, T. R.; Adams, J.; Coutts, S.; Perry, C. (Boehringer Ingelheim Pharmaceuticals, Inc.). WO 93/10127, 1993) was signi
Autor:
Percy S. Manchand, David L. Coffen, Lucia Serico, Satish C. Choudhry, Peter S. Belica, Antonino Focella, Hubert Maehr, Roxana Yang
Publikováno v:
The Journal of Organic Chemistry. 58:1496-1500
The synthesis of 1α,25,28-trihydroxyvitamin-D 2 (1) from vitamin-D 2 is described. The synthesis involves three key features:() the dissection of the vitamin-D2 side chain, (ii) C-1 hydroxylation, and (iii) the preparation and introduction of the ap
Autor:
Perry Rosen, Agostino Perrotta, Percy S. Manchand, Peter S. Belica, Gloria Oliva, Harry S. Wong
Publikováno v:
ChemInform. 23
A general and mild method for the synthesis of 2,4-diamino-5-benzylpyrimidines was achieved by the Friedel-Crafts reaction between 2-(methoxymethylene)-3-methoxypropanenitrile (10) and an activated aromatic substrate followed by treatment with guanid