مصادر الكيمياء موقع لتعليم الكيمياء بصورة مبسطة
A way of denoting the absolute structure of an optical isomer . Two conventions are in use: The D-L convention relates the structure of the molecule to some reference molecule. In the case of sugars and similar compounds, the dextrorotatory form of glyceraldehyde (HOCH2CH(OH)CHO , 2,3-dihydroxypropanal) was used. The rule is as follows. Write the structure of this molecule down …
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