Then they can be further recrystallized to biphenyl with a purity of over 99.9 %.
進(jìn)一步用溶劑結(jié)晶法去除了聯(lián)苯中的雜質(zhì),獲得99.9%以上聯(lián)苯.
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Methods A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound.
方法:以聯(lián)苯為原料,在超聲催化作用下合成新藥聯(lián)苯乙酸.
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