fischer證明葡萄糖結(jié)構(參考版)
2025-07-29 07:30本頁面
【正文】 Fischer knew that glucose was an aldohexose, but which one of the 16 possible aldohexoses is the right structure? 3 What configuration? Fischer had no way of knowing the absolute configuration of the D and Lsugars. He arbitrarily assigned Dglyceraldehyde to the Rconfiguration C H OO HHC H 2 O HD G ly c e ra ld e h y d eIn 1951, Fischer was shown to have guessed right. The structure of Lglyceraldehyde was shown to have Sconfiguration C O 2 HH O HH O HC O 2 HL T a r t a r i c a c i dC H OC H 2 O HH O HL g l y c e r a l d e h y d e4 Family of DAldoses HC H OO HO HHO HHO HHC H2O HH OC H OHO HHO HHO HHC H2O HHC H OO HHH OO HHO HHC H2O HH OC H OHHH OO HHO HHC H2O HHC H OO HO HHHH OO HHC H2O HH OC H OHO HHHH OO HHC H2O HHC H OO HHH OHH OO HHC H2O HH OC H OHHH OHH OO HHC H2O HH O HO HHO HHC H2O HC H OH O HO HHO HHC H2O HC H OH OC H OHHH OO HHC H2O HHC H OO HHH OO HHC H2O HC H OO HHO HHC H2O HC H OHH OO HHC H2O HC H OC H2O HH O HD G l y c e r a l d e h y d e1 2 3 4 5 6 7 89 1 0 1 1 1 25 ( + ) g l u c o s e H N O 3 G l u c a r i c a c i d O p t i c a l l y a c t i v eHC H OO HO HHO HHO HHC H 2 O
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鄂ICP備17016276號-1