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D-(-)-对羟基苯甘氨酸(D-(-)-P-hydroxyphenylglycine,简称D-(-)-P-HPG),其绝对构型为R(?)是制备羟氨苄青霉素(Ⅰ),羟氨苄头孢菌素(Ⅱ)等多种新型β-内酰氨类半合成抗菌素的重要中间体,由于这些半合成抗菌素不仅具有
The absolute configuration of D - (-) - P-hydroxyphenylglycine (D - (-) - P-hydroxyphenylglycine) , Amoxicillin (Ⅱ) and many other new β-lactam semi-synthetic antibiotics important intermediates, since these semi-synthetic antibiotics not only have