Chinese Chemical Letters 2009 Issue 10 synthesis and cytotoxicity of 28-carboxymethoxy lupane triterpenoids. preference of 28-o-acylation over 28-o-alkylation of betulin by ethyl bromoacetate

synthesis and cytotoxicity of 28-carboxymethoxy lupane triterpenoids. preference of 28-o-acylation over 28-o-alkylation of betulin by ethyl bromoacetate
Aye Aye Mar;Ali Koohang;Nathan D. Majewski;Erika L. Szotek;David A. Eiznhamer;Michael T. Flavin;Ze Qi Xu

..............page:1141-1144

synthesis of novel 3,5-disubstituted-dihydroisoxazoles from methyl undec-10-enoate and isoxazoles, triazole and tetrazolo-triazole from methyl undec- 10-ynoate
Shweta Sharma;Abdul Rauf

..............page:1145-1149

synthesis of 1,1\'-binaphthyl-2,2\'-diamine from 2-naphthol under atmospheric pressure
Qiang Feng;Chao Zhang;Qiang Tang;Mei Ming Luo

..............page:1150-1152

information for contributors

..............page:封3

electrochemical performance of sulfur composite cathode materials for rechargeable lithium batteries
Feng Wu;Sheng Xian Wu;Ren Jie Chen;Shi Chen;Guo Qing Wang

..............page:1255-1258

highly stable supramolecular hydrogels formed from 1,3,5-benzenetricarboxylic acid and hydroxyl pyridines
Li Ming Tang;Yu Jiang Wang

..............page:1259-1262

molecular modeling of epsilon rna from hepatitis b virus
Huai Ren Pan;Hai Jun Zhu;Zhong Rong Song;Xu Dong Zhang;Huai Cao

..............page:1263-1266

a new monoterpenoid indole alkaloid from rauvolfia yunnanensis
Bao Hui Cheng;Jian Chao Chen;Ming Hua Qiu

..............page:1221-1223

a new triterpenoid saponin from the leaves and stems of panax quinquefolium l.
Guo Yu Li;Yi Mei Zeng;He Meng;Xian Li;Jin Hui Wang

..............page:1207-1210

two new eudesmane sesquiterpenes from lactuca sativa var. anagustata l
Yi Feng Han;Gui Xiu Cao;Min Xia

..............page:1211-1214

new optically active poly(amide-imide)s derived from n,n\'-(4,4-diphthaloyl)-bis-l-leucine and hydantoin derivatives: synthesis and properties
Khalil Faghihi

..............page:1153-1156

minor antifungal aromatic glycosides from the roots of gentiana rigescens (gentianaceae)
Min Xu;Chong Ren Yang;Ying Jun Zhang

..............page:1215-1217

alkaloid from dicranostigma leptopodum (maxim) fedde
Yan Dang;Hong Fei Gong;Jun Xi Liu;Si Jiu Yu

..............page:1218-1220

an efficient method for synthesis of organophosphorus compounds in aqueous media
Reza Heydari;Malek Taher Maghsoodlou;Razieh Nejat Yami

..............page:1175-1178

selective debenzylation of benzyl esters by silica-supported sodium hydrogen sulphate
Yan Wei Hu;Li Zuo;De Yong Ye;Wen Hu Duan

..............page:1157-1160

preparation of nucleoside-pyridine hybrids and pyridine attached acylureas from an unexpected uracil ring-opening and pyridine ring-forming sequence
Xue Sen Fan;Xia Wang;Xin Ying Zhang;Dong Feng;Ying Ying Qu

..............page:1161-1165

clean synthesis of calix[4]crown-5-sulfonyl cyclothiourea derivatives at room temperature in aqueous solution
Cong Wen Ding;Ming Jie Zhang;Ning Ma

..............page:1166-1169

copper-catalyzed synthesis of phenols from aryl halides and 4-methoxylbenzyl alcohol
Chuan Zhou Tao;Wei Wei Liu;Ji You Sun

..............page:1170-1174

copper modified platinum electrode for amperometric detection of spectinomycin sulfate by anion-exchange chromatography
Ling Ling Xi;Pei Min Zhang;Yan Zhu

..............page:1245-1247

novel estradiol sensors based on carbon nanotube multilayer modified gold hair microelectrodes
Jun Hui Xu;Cheng Guo Hu;Sheng Shui Hu

..............page:1248-1250

new type flooding systems in enhanced oil recovery
Xin Ping Li;Li Yu;Yong Qiang Ji;Bo Wu;Gan Zuo Li;Li Qiang Zheng

..............page:1251-1254

determination of hydroxyl radical in fenton system
Yan Fen Fang;An Ping Deng;Ying Ping Huang

..............page:1235-1240

determination of sulfur anions by ion chromatography-postcolumn derivation and uv detection
Mei Lan Chen;Ming Li Ye;Xue Ling Zeng;Yun Chang Fan;Zhu Yan

..............page:1241-1244

a new sesquiterpene trilactone from the roots of ginkgo biloba
Ping Yu;Jing Yu Liang

..............page:1224-1226

two new 24-hydroxylated asterosaponins from culcita novaeguineae
Xiao Guang Ma;Hai Feng Tang;Chang Hai Zhao;Ning Ma;Min Na Yao;Ai Dong Wen

..............page:1227-1230

a new polyhydroxysteroidal glycoside from the starfish anthenea chinensis
Ning Ma;Hai Feng Tang;Feng Qiu;Hou Wen Lin;Xiang Rong Tian;Wei Zhang

..............page:1231-1234

design, synthesis and antiproliferative activity of novel 2,7-disubstituted triazolo[1,5-a]pyrimidines
Xin Zhai;Nan Jiang;Ke Liang Zhang;Feng Bao;Ping Gong

..............page:1179-1182

oxidation of 3,4-dihydropyrimidin-2(1h)-ones with nitrosonium (no~+)
Rui Rui Liang;Guai Li Wu;Wen Tao Wu;Long Min Wu

..............page:1183-1186

evaluation of lipid peroxidation inhibition and free radical scavenging abilities of 5,6,7-tfimethoxy dihydroflavonols
Ke Xin Huang;Yu Zhao;Xiu Mei Wu;Xiao Kun Li;Jia Qu;Yu Bing Feng;Wei Yao;Lei Xiang Yang;Feng Wang;Hai Bo Li;Su Zeng;Jing Xu Gong;Ming Hui Hu

..............page:1187-1190

a fluorescent probe for fluoride ion based on 2-aminopyridyl-bridged calix[6]arene
Jian Hang Mai;Jun Min Liu;Shao Yong Li;Huan Feng Jiang

..............page:1191-1194

synthesis of bacillamide 3 and its analogue
Duo Li;Hai Shen Yang;Qing Cui;Shen Jie Mao;Xiao Hua Xu

..............page:1195-1197

solvent-free and catalyst-free method for the synthesis of 2,4,5-triarylimidazoles under microwave irradiation
Jian Feng Zhou;Gui Xia Gong;Hui Qin Zhu;Feng Xia Zhu

..............page:1198-1200

the simple synthesis of quinazoline-2,4-dione derivatives using boc strategy
Xu Qin Li

..............page:1201-1203

an improved synthesis of (-)-7-isopropyl-cis-1-amino-2-indanol the chiral auxiliary for 6 -azaelectrocyclization
Su Yun Liu;Shigeo Katsumura

..............page:1204-1206