17-cetoesteroides definicion

The oxidation of the hydrazones of 17-ketosteroids by iodine yields Δ 16 -17-iodosteroids ( 2 , 4 ). Starting with 2 or 8 (the 3-tetrahydropyranylether of 4 ) and lithium(tribu-tyl)stannate, Δ 16 -17(tributylstannyl)steroids ( 5 , 9 ) are synthesized. The reaction is catalyzed by electronrich complexes of nickel and palladium. In the course of side reactions Δ 16 -olefines ( 6 , 10 ) and the „dimers” 7 and 11 , the products of a cross coupling of the Δ 16 -17-iodosteroids, and the Δ 16 -17-tributylstannylsteroids are obtained. The mechanisms of these side reactions and the influence of the solvent (THF, HMPA) are discussed.

10 Complemento C-2 Complemento C-3 Complemento C-4 Complemento C-5 Complemento C-7 Complemento hemolítico 100% Complemento hemolítico 50% Coombs directo (Ac. Anti Rh eritrocitarios) Coombs indirecto Coprológico (Examen General de Heces) Coproparasitoscópico 1 m Coproparasitoscópico 2 m Coproparasitoscópico 3 m Coproporfirinas en orina 24 hr Cortisol matutino Cortisol (matutino y vespertino) Cortisol en orina de 24 horas. Cortisol vespertino Creatinfosfoquinasa (CPK) Creatinfosfoquinasa CK-MB Creatinfosfoquinasa isoenzimas Creatinina orina 24 hrs. Creatinina sérica Crioaglutininas (aglutininas frías) Crioglobulinas Cristalografía Cromatina sexual Cromo en orina Cromo suero o sangre total Cromogranina A Cryptosporidium detección de C-Telopéptidos Cuadruple Marcador Cuenta de plaquetas (Biometría Hemática Completa) Cuenta minutada (Addis ) Cuerpos de inclusión, búsqueda Cultivo anaerobio de: Cultivo de absceso Cultivo de cavidad abdominal Cultivo de esputo Cultivo de exudado cérvico vaginal Cultivo de exudado conjuntival Cultivo de exudado faríngeo

Thomas M Wheeler, MD  Chairman, Department of Pathology and Immunology, WL Moody, Jr, Professor of Pathology, Professor of Urology, Baylor College of Medicine

Thomas M Wheeler, MD is a member of the following medical societies: Alpha Omega Alpha , American Association for Cancer Research , American Medical Association , American Society for Clinical Pathology , American Society of Cytopathology , American Thyroid Association , American Urological Association , College of American Pathologists , United States and Canadian Academy of Pathology , International Society of Urological Pathology , Harris County Medical Society

Disclosure: Received stock from PathXL for medical advisory board. for: PathXL, Inc.

17-cetoesteroides definicion

17-cetoesteroides definicion

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