- 1-[(E)-2-Arylethenyl]-2,2-diphenylcyclopropanes: Kinetics and Mechanism of Rearrangement to Cyclopentenes
[作者：Mulzer, J; Huisgen, R; Arion, V; Sustmann, R,期刊：Helvetica Chimica Acta, 页码：1359-1388 , 文章类型： Article，,卷期：2011年94-8]
- Kinetic measurements for the thermal rearrangement of 2,2-diphenyl-1-[(E)-styryl] cyclopropane (22a) to 3,4,4-triphenylcyclopent-1-ene (23a) in decalin furnished DHisom(sic) = 31.0 +/- 1.2 kcal mol(-1) and Delta S-isom((...
- The Rearrangement of 2,2-Diphenyl-1-[(E)-2-phenylethenyl]cyclopropane to 3,4,4-Triphenylcyclopent-1-ene: a DFT Analysis
[作者：Sicking, W; Sustmann, R; Mulzer, J; Huisgen, R,期刊：Helvetica Chimica Acta, 页码：1389-1405 , 文章类型： Article，,卷期：2011年94-8]
- A computational study on the rearrangement of 2,2-diphenyl-1-[(E)-2-phenylethenyl]cyclopropane (1) is presented, using density functional theory (DFT), (U)B3LYP with the 6-31G* basis set (DFT1) and (U)M05-2X with the 6-3...
- Electrochemical Chlorination of Physcion - An Approach to Naturally Occurring Chlorinated Secondary Metabolites of Lichens
[作者：Stevanovic, D; Damljanovic, I; Vukicevic, M; Manojlovic, N; Radulovic, NS; Vukicevic, RD,期刊：Helvetica Chimica Acta, 页码：1406-1415 , 文章类型： Article，,卷期：2011年94-8]
- The electrochemical chlorination of physcion (1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10- dione; 1) in AcOH and CH2Cl2 was investigated by cyclic voltammetry and prep.-scale electrolysis. This approach provided acce...
- An Efficient One-Pot, Four-Component Synthesis of {[(1H-1,2,3-Triazol-4-yl) methoxy]phenyl}-1H-pyrazolo[1,2-b]phthalazine-5,10-dione Derivatives
[作者：Torkian, L; Dabiri, M; Salehi, P; Bararjanian, M,期刊：Helvetica Chimica Acta, 页码：1416-1425 , 文章类型： Article，,卷期：2011年94-8]
- The 1-{[(1H-1,2,3-Triazol-4-yl)methoxy]phenyl}-1H-pyrazolo[1,2-b]phthalazine-5,10-dione derivatives 5 were synthesized by a simple and efficient method, i.e., by the four-component, one-pot condensation reaction of phtha...
- Three New 3,6-Dioxygenated Diketopiperazines from the Basidiomycete Lepista sordida
[作者：Chen, XL; Wu, M; Ti, HH; Wei, XY; Li, TH,期刊：Helvetica Chimica Acta, 页码：1426-1430 , 文章类型： Article，,卷期：2011年94-8]
- Three new 3,6-dioxygenated diketopiperazines, lepistamides A-C (1 - 3), along with a known compound, diatretol (4), were isolated from the mycelial solid cultures of the basidiomycete Lepista sordida. Their structures we...
- Manganese(III) Acetate Catalyzed Oxidative Radical Additions of alpha-Dicarbonyl Compounds to 1- and 2-Phenylcyclohepta-1,3,5-triene
[作者：Findik, E; Ceylan, M,期刊：Helvetica Chimica Acta, 页码：1431-1439 , 文章类型： Article，,卷期：2011年94-8]
- Manganese(III) acetate catalyzed oxidative radical-addition reactions of alpha-dicarbonyl compounds such as methyl acetoacetate (6), acetylacetone (7), and dimedone (8) to the mixture of 1- and 2-phenylcyclohepta-1,3,5-t...
- Efficient Synthesis of (3E)-3-[Amino(aryl)methylidene]chromane-2,4-diones (= (3E)-3-[Amino(aryl)methylene]-2H-1-benzopyran-2,4(3H)-diones) via a Three-Component Reaction
[作者：Ghabraie, E; Bararjanian, M; Balalaie, S; Rominger, F; Bijanzadeh, HR,期刊：Helvetica Chimica Acta, 页码：1440-1447 , 文章类型： Article，,卷期：2011年94-8]
- The Michael-type addition of a 4-hydroxycoumarin (= 4-hydroxy-2H-1-benzopyran-2-one) 1 to a ss-nitrostyrene (= (2-nitroethenyl)benzene) 2 in the presence of AcONH4 leads to substituted (3E)-3- [amino(aryl)methylidene]chr...
- Two New 23-Membered Macrolactones from a Terrestrial Bacterium, Streptomyces sp IMBJ01
[作者：Gu, JY; Han, WJ; Qi, FF; Li, J; Sun, SW; Zhu, TJ; Mao, WJ; Gu, QQ; Li, DH,期刊：Helvetica Chimica Acta, 页码：1448-1453 , 文章类型： Article，,卷期：2011年94-8]
- Two new unusual 23-membered macrolactones, named griseoviridins B (1) and C (2), along with the known analogue griseoviridin (3) were isolated from the culture of Streptomyces sp. IMBJ01, a terrestrial bacterium isolated...
- Furanone Derivatives from Aspergillus sp XW-12, an Endophytic Fungus in Huperzia serrata
[作者：Zhan, ZJ; Jin, JP; Ying, YM; Shan, WG,期刊：Helvetica Chimica Acta, 页码：1454-1458 , 文章类型： Article，,卷期：2011年94-8]
- Two new 5-methoxyfuran-3(2H)-one derivatives, huaspenone A (1) and B (2), together with four known ones, i.e., aspertetronin A (3), aspertetronin B (4), gregatin E (5), and penicilliol A (6), were isolated from the cultu...
- Metal-Free Multicomponent Synthesis of (alpha-Aminoalkyl)phosphonates Using 2,4,6-Trichloro-1,3,5-triazine)
[作者：Das, B; Kumar, AS; Kumar, JN,期刊：Helvetica Chimica Acta, 页码：1459-1462 , 文章类型： Article，,卷期：2011年94-8]
- (alpha-Aminoalkyl) phosphonates have efficiently been synthesized by multicomponent reaction of aldehydes, amines, and triethyl phosphite in the presence of 2,4,6-trichloro-1,3,5-triazine at room temperature. The product...
- Eremophilane-Type Sesquiterpenoids from the Fermentation Broth of Plant Endophytic Fungus Pestalotiopsis photiniae Isolated from the Chinese Podocarpaceae Plant Podocarpus macrophyllus
[作者：Yang, XL; Zhang, S; Zhu, HJ; Luo, DQ; Gao, XY,期刊：Helvetica Chimica Acta, 页码：1463-1469 , 文章类型： Article，,卷期：2011年94-8]
- Two new sesquiterpenoid esters, pestalotiopins B and C (1 and 2, resp.) related to the eremophilane class, together with one known compound, berkleasmin C (3), were isolated from the fermentation broth of the plant endop...
- Two New Indole Alkaloids from the Bark of Anthocephalus chinensis
[作者：Xu, XY; Yang, XH; Li, SZ; Song, QS,期刊：Helvetica Chimica Acta, 页码：1470-1476 , 文章类型： Article，,卷期：2011年94-8]
- Two new indole alkaloids, cadambinic acid (1) and isonauclefidine (2), were isolated from the bark of Anthocephalus chinensis. The structures were identified by spectroscopic methods, and the compounds were tested for th...
- Asymmetric Synthesis of Simplactones A and B
[作者：Prabhakar, P; Ramesh, D; Rajaram, S; Reddy, DK; Venkateswarlu, Y,期刊：Helvetica Chimica Acta, 页码：1481-1487 , 文章类型： Article，,卷期：2011年94-8]
- A new, simple, and short route for the synthesis of simplactones A (1) and B (2) was achieved from a synthetically prepared chiral auxiliary, i.e., the Oppolzer camphor-derived sultam 4, and (4-methoxybenzyl)- protected ...
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