- Triterpenoids from the Flowers of Salvia miltiorrhiza
[作者：Liu, P; Hu, P; Deng, RX; Li, R; Yang, L; Yin, WP,期刊：Helvetica Chimica Acta, 页码：136-141 , 文章类型： Article，,卷期：2011年94-1]
- A phytochemical investigation of the flowers of Salvia miltiorrhiza Bunge led to the isolation of two new oleanane-and ursane-type triterpenoids, (3 alpha)-olean-12-ene-3,23-diol (1) and (3 alpha)-urs-12-ene-3,23-diol (2...
- A Facile Synthesis of Bridged Polycyclic Naphthooxazocine Skeletons: Eight-Membered-Ring Constructions via Tandem Dinucleophilic Addition of Naphthalenols to Quinolinium Salts
[作者：Moghaddam, FM; Taheri, S; Mirjafary, Z; Saeidian, H; Kiamehr, M; Tafazzoli, M,期刊：Helvetica Chimica Acta, 页码：142-147 , 文章类型： Article，,卷期：2011年94-1]
- The efficient synthesis of bridged polycyclic naphthooxazocines 3 via addition of naphthalenols 1 as a bis-nucleophile to N-alkylquinolinium salts 2 is described (Scheme 1 and Table 2). This new approach provides a power...
- Seven New Lignan Esters from Kadsura philippinensis
[作者：Cheng, YB; Lin, YC; Khalil, AT; Liou, SS; Lee, GC; Kuo, YH; Shen, YC,期刊：Helvetica Chimica Acta, 页码：148-158 , 文章类型： Article，,卷期：2011年94-1]
- Five new oxygenated lignans with a dibenzocyclooctadiene skeleton, kadsuphilols P-T (1-5), and two new C-19 homolignans, kadsuphilols U and V (6 and 7), were isolated by chromatographic fractionation of an AcOEt extract ...
- Synthesis of 1,4-Diazabutadienes (=N,N '-Ethane-1,2-diylidenebis[amines]) by Grinding
[作者：He, JY; Xin, HX; Yan, H; Song, XQ; Zhong, RG,期刊：Helvetica Chimica Acta, 页码：159-162 , 文章类型： Article，,卷期：2011年94-1]
- A simple and convenient method for the synthesis of 1,4-diazabutadienes (=N,N'-ethane-1,2diylidenebis[amines]) by grinding glyoxal (ethanedial) or an alpha-diketone and anilines (benzenamines) in the presence of TsOH in ...
- Eremophilenolide-Type Sesquiterpenes from Hertia intermedia
[作者：Malik, A; Afza, N; Yasmeen, S; Anwer, MA; Ali, MI; Tareen, RB,期刊：Helvetica Chimica Acta, 页码：163-168 , 文章类型： Article，,卷期：2011年94-1]
- Hertidins A-E (1-5, resp.), new eremophilenolide-type sesquiterpenes, have been isolated from the AcOEt-soluble fraction of Hertia intermedia. Structures of 1-5 were elucidated on the basis of extensive spectroscopic stu...
- Efficient Synthesis of [1,3]Oxazino[3,2-f]phenanthridine Derivatives by a Novel 1,4-Dipolar Cycloaddition Involving a Phenanthridine-Dimethyl Acetylenedicarboxylate Zwitterion and Aromatic Aldehydes
[作者：Li, M; Pan, L; Wen, LR,期刊：Helvetica Chimica Acta, 页码：169-177 , 文章类型： Article，,卷期：2011年94-1]
- An efficient synthesis of [1,3]oxazino[3,2-f]phenanthridine derivatives via a three-component reaction of phenanthridine, dimethyl acetylenedicarboxylate (DMAD), and aromatic aldehydes is described. This novel method is ...
- Amaryllidaceae Alkaloids from Lycoris radiata
[作者：Feng, T; Wang, YY; Su, J; Li, Y; Cai, XH; Luo, XD,期刊：Helvetica Chimica Acta, 页码：178-183 , 文章类型： Article，,卷期：2011年94-1]
- A phytochemical investigation on bulbs of Lycoris radiata resulted in the isolation of three new Amaryllidaceae alkaloids, named 5,6-dehydrodihydrolycorine (1), 6 beta-acetoxycrinamine (2), and (+)-8-O-acetylhomolycorine...
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