Recebido em 15/1/13; aceito em 18/4/13; publicado na web em 17/7/13 A short and efficient synthesis of heptadeuterated 2,2,4,4,5,7,7-d7-cholestane (1) from cholesterol (3) is described. The deuterated material will be useful for the analysis of different sources of petroleum in analytical geochemistry laboratories as internal standard for quantification of steranes via gas chromatography-mass spectrometry (GC-MS).Keywords: total synthesis; steroids; deuterated standard.
INTRODUCTIONThe identification of organ… Show more
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