Reference of 31608-22-7, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.31608-22-7, Name is 2-(4-Bromobutoxy)tetrahydro-2H-pyran, molecular formula is C9H17BrO2. In a patent, introducing its new discovery.
Synthesis of labelled terminal [14C]-acetylenes
There are several literature methods for conversion of 14C precursors into [14C]-acetylenes, and a number of these involve elaboration of [14C]-aldehydes into a terminal acetylenes. One method that involves mild conditions, and in our experience is high yielding and tolerant of a range of functional groups uses the Ohira-Bestmann reagent to effect this transformation. This document briefly describes some of the different methods that have been used for the preparation of [ 14C]-acetylenes and discusses two worked examples, the synthesis of [5-14C]-hex-5-ynoic acid and [benzene-(U)-14C]-7- methoxybenzofuran, both of which involve Ohira-Bestmann chemistry being used for the preparation of terminal [14C]-acetylenes. Copyright
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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics