Journal of the Chemical Society. Perkin transactions I p. 2629 - 2632 (1996)
Update date:2022-08-30
Topics:
Cao, Zhisong
The new camptothecin derivatives (20S)-20-O-acetyl-14-nitrocamptothecin 7 and 5-hydroxy-14-nitrocamptothecin 8 are prepared by the reactions of camptothecin 1 with nitronium tetrafluoroborate 9 in acetic anhydride and trifluoroacetic acid, respectively. When acetic acid is used as reaction solvent, the esterification product (20S)-20-O-acetylcamptothecin 6 is obtained.
View MoreXiamen Huasing Chemicals Co.Ltd.
Contact:0086-592-6228397
Address:NO.24, Xinglin North 2nd Road,Jimei district
Nantong Kaixin Pharma Chemical Co.,Ltd.
Contact:86-513-85250786
Address:2-1103 Huachen Mansion, 111 Gongnong Road,Nantong, Jiangsu, China
Shanghai He Yang International Trading Co., Ltd.
Contact:+86-21-52043598
Address:Room 816, Blag.5, No.58 Huachi Road
shanghai tuomiao chemicial co.,ltd.
website:https://www.tuomiaochem.com/
Contact:021 - 59853336
Address:shanghai
Contact:86 311 85902108 / 85902109
Address:room 1001-1005 ,huanghe Road ,shijiazhuang ,China
Doi:10.1039/c4ra12470g
(2014)Doi:10.1016/0040-4039(96)01478-5
(1996)Doi:10.1016/S0040-4039(00)60661-5
(1993)Doi:10.1021/jo01082a023
(1960)Doi:10.1016/j.cclet.2011.01.039
(2011)Doi:10.1081/SCC-120026847
(2003)
