337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看
31 4 Vol. 31 No. 4
2001 8 Aug 2001

ٙĿ

N(2)--7-[(2-)׻]B(nio)ʵDǻ
_(hW(xu)Ժˎϵ)
ժҪоN(2 )  7 [(2 )׻ ]B(nio)ͨ^(gu)Dǻ9λwN(2 )  9 [(2 )׻ ]B(nio)ʵėl ,Dʞ 5 5 %
P(gun)I~N27[2׻]B(nio); N29[2׻]B(nio); Dǻ
ЈD(li)̖TQ203.9īIRaA¾̖1009-9212(2001)04-0013-02
Transglycosylation of N(2)-acethyl-7-[(2-acetoxyethoxyl)methyl]guanine
LUO Xiao yan Department of Pharmaceutics; Wuhan Institute of Chemical Technology; Hubei Wuhan 430074; China
AbstractThe transformation of N(2) acethyl 7 [(2 acetoxyethoxyl)methyl]guanine into its isomer N(2) acethyl 9 [(2 acetoxyethoxyl)methyl]guanine in the transglycosylation reaction was studied. The change ration was 55%.
Key wordsN2 acethyl 7 [2 acetoxyethylmethoxyl]guanine; N2 acethyl 9 [2 acetoxyethoxylmethyl]guanine; transglycosylation
ոڣ2001-06-18
337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看