Helvetica Chimica Acta Table of Contents: 2015, vol. 98, No. 4

The Aggregation Behavior of Butyllithium in Diethyl Ether in the Presence of LiBr, LiClO4, and Phenyllithium: A Deuterium-Induced Secondary 6Li-NMR Isotope-Effect Study
Bernd Böhler and Harald Günther
427-446

Full: PDF (1880 K)
Synthesis of Terpene Diamines Based on Camphor-Derived Dinitriles
Florian R. Kinzl and Herbert M. Riepl
447-452

Full: PDF (261 K)
Selenophen-2-yl-Substituted Thiocarbonyl Ylides – at the Borderline of Dipolar and Biradical Reactivity
Grzegorz Mlostoń, Katarzyna Urbaniak, Anthony Linden and Heinz Heimgartner
453-461

Full: PDF (342 K)
Studies on the Reactions of Thiocarbonyl S-Methanides with Hetaryl Thioketones
Grzegorz Mlostoń, Paulina Pipiak, Anthony Linden and Heinz Heimgartner
462-473

Full: PDF (434 K)
Synthesis and Spectral Characteristics of Novel Fluorescent Dyes Based on Pyrimido[4,5-d] [1,2,4]triazolo[4,3-a]pyrimidine
Manijeh Mohadeszadeh, Mohammad Rahimizadeh, Hossein Eshghi, Ali Shiri, Mostafa Gholizadeh and Alireza Shams
474-481

Full: PDF (473 K)
Two New Phenylethanoid Glycosides from Callicarpa longissima
Jing-Quan Yuan, Li Qiu, Lu-Hui Zou, Qian Wei, Jian-Hua Miao and Xin-Sheng Yao
482-489

Full: PDF (335 K)
Enantioselective Allylic Alkylation Catalyzed by Novel C2-Symmetric Bisphosphinites
Yaşar Gök and Halil Zeki Gök
490-495

Full: PDF (307 K)
New Triterpenoid Glycosides from the Roots of Camellia oleifera Abel
Xia Li, Jianping Zhao, Xiaoran Li, Yanli Liu, Qiongming Xu, Ikhlas A. Khan and Shilin Yang
496-508

Full: PDF (403 K)
Stereoselective Total Synthesis of Crassalactone A, a Natural Cytotoxic Styryl Lactone
Parigi Raghavendar Reddy and Biswanath Das
509-514

Full: PDF (269 K)
Polyketides and Meroterpenoids from Neosartorya glabra
Wen-Hong Liu, Hong Zhao, Rong-Qun Li, Hong-Bin Zheng and Qin Yu
515-519

Full: PDF (297 K)
Stereoselective Synthesis of the Non-Lactonic Portion of (Z)-Cryptofolione and Approaches towards Its Conversion to (Z)-Cryptofolione
Siddavatam Nagendra, Vanka Krishna Reddy and Biswanath Das
520-526

Full: PDF (327 K)
New Phenolic Tricyclic Diterpenoids from Rhizomes of Isodon hispida (Benth.) Hara
Bo Huang, Zhen-Yuan Huang, Chao-Jiang Xiao, Xiang Dong and Bei Jiang
527-533

Full: PDF (281 K)
Copper-Catalyzed Synthesis of Pentasubstituted Pyridines from N-Sulfonyl Ketenimines, 1,1,3,3-Tetramethylguanidine, and Acetylene Dicarboxylates
Issa Yavari, Azam Sheikhi, Manijeh Nematpour and Zohreh Taheri
534-538

Full: PDF (284 K)
Steroidal Alkaloids from Veratrum maackii Regel with Genotoxicity on Brain-Cell DNA in Mice
Yue Cong, Hua-Lan Zhu, Qing-Chun Zhang, Lin Li, Hai-Yan Li, Xian-You Wang and Jing-Gong Guo
539-545

Full: PDF (423 K)
An Efficient Synthesis of Spiro-oxindole Derivatives by Three-Component Reactions in Water
Abdolali Alizadeh and Leila Moafi
546-551

Full: PDF (283 K)
Cottoquinazolines E and F from Neosartorya fischeri NRRL 181
Wei-Guang Shan, Shi-Lei Wang, Huang-Yan Lang, Si-Mei Chen, You-Min Ying and Zha-Jun Zhan
552-556

Full: PDF (306 K)
Copper-Exchanged Tungstophosphoric Acid: An Efficient and Reusable Heteropoly Acid for the Synthesis of 2,3,4,5-Tetrahydro-4-methylidenefuran Derivatives
Seema Aravind and Narayana Reddy
557-560

Full: PDF (210 K)
Two New Flavonoids from Retama raetam
Wen-Hui Xu, Adnan J. Al-Rehaily, Muhammad Yousaf, Mohammad S. Ahmad, Shabana I. Khan and Ikhlas A. Khan
561-568

Full: PDF (361 K)
Synthesis of Polysubstituted Benzenes via the Vinylogous Michael Addition of Alkylidenemalononitriles to 2-(1,3-Dioxo-1H-inden-2(3H)-ylidene)malononitrile
Abdolali Alizadeh, Hadi Sedighian, Seyed Yasub Hosseini and Long-Guan Zhu
569-574

Full: PDF (333 K)
A Concise Total Synthesis of (+)-(6S,9R,10R)-Bovidic Acid
Sachin B. Wadavrao, Ramesh S. Ghogare and A. Venkat Narsaiah
575-581

Full: PDF (317 K)
Boyd Group Electronegativity Influence on the Parr Global Electrophilicity of Vilsmeier Reagent-Derived Imidates: New Insights toward Improving Mitsunobu Chemistry
Jeremy M. Carr, Gregory S. Tschumper and A. Paige Lathem
582-588

Full: PDF (415 K)
Base-Catalyzed Formation of Isoxazoles from Dialkyl Acetylenedicarboxylates and 2-Nitroacetophenones
Sepehr Sadegh-Samiei, Issa Yavari and Stavroula Skoulika
589-592

Full: PDF (319 K)