- Synthesis of in vivo metabolites of the new adenosine A3 receptor PET-radiotracer [18F]FE UPPY.
[作者:Shanab, Karem;Wadsak, Wolfgang;Mien, Leonhard-Key;Mitterhauser, Markus;Holzer, Wolfgang;Polster, Victoria;Viernstein, Helmut;Spreitzer, Helmut;,期刊:Heterocycles, 页码:339-356 , 文章类型: 研究论文,,卷期:2008年75-2]
- The synthesis of three expected metabolites I (R1 = OH, R2 = SH, SEt; R1 = OCH2CH2F, R2 = SH) of the new adenosine A3 receptor PET-radiotracer [18F]FE UPPY is described. The target compds. I - all pentasubstituted pyrid...
- Asymmetric synthesis of stellettamides A and C.
[作者:Yamazaki, Naoki;Suzuki, Takeshi;Yoshimura, Yuta;Kibayashi, Chihiro;Aoyagi, Sakae;,期刊:Heterocycles, 页码:285-290 , 文章类型: 研究论文,,卷期:2008年75-2]
- The first synthesis of the marine indolizidine alkaloids, (+)-stellettamide A (I) and (-)-stellettamide C (II) as the H2PO4- and Cl- salts, resp., was achieved through a coupling reaction with the aminomethylindolizidine...
- Oligomers containing ethynylpyridazine moieties: synthesis, fluorescence and liquid crystalline properties. Diazines 50.
[作者:Achelle, Sylvain;Ple, Nelly;Kreher, David;Mathevet, Fabrice;Turck, Alain;Attias, Andre-Jean;,期刊:Heterocycles, 页码:357-374 , 文章类型: 研究论文,,卷期:2008年75-2]
- Conjugated oligomers with ethynylpyridazine units, e.g. I, have been synthesized by Sonogashira and Suzuki cross-coupling reactions. Some of them present interesting liq. crystal properties investigated by differential s...
- First example of Diels-Alder reaction of 4-(1-ethenyl substituted)-3-methylisoxazoles with acetylenedicarboxylates.
[作者:Chimichi, Stefano;Cosimelli, Barbara;Boccalini, Marco;Matteucci, Alessandra;Messaoudi, Abdelatif;,期刊:Heterocycles, 页码:331-338 , 文章类型: 研究论文,,卷期:2008年75-2]
- The first example of a [4+2] cycloaddn. reaction of 4-(1-ethenyl)isoxazoles I (R = Me, SiMe3) with acetylenedicarboxylates is reported, while the corresponding 5-substituted isomers do not react with the same dienophile;...
- Barton-Zard pyrrole synthesis and its application to synthesis of porphyrins, polypyrroles, and dipyrromethene dyes.
[作者:Ono, Noboru;,期刊:Heterocycles, 页码:243-284 , 文章类型: 研究论文,,卷期:2008年75-2]
- (Heterocyclic Compounds (More Than One Hetero Atom)) Section A review. Pyrroles prepd. by the reaction of alkyl isocyanoacetates are useful for the synthesis of biol. active pyrroles, porphyrins, polypyrroles, and dipyr...
- Synthesis and antitumor activity of combretastatin D-4.
[作者:Uno, Kanako;Tanabe, Takamasa;Ogamino, Takahisa;Okada, Ryoko;Imoto, Masaya;Nishiyama, Shigeru;,期刊:Heterocycles, 页码:291-296 , 文章类型: 研究论文,,卷期:2008年75-2]
- Combretastatin D-4 (I) was synthesized using electrochem. dimerization of phenols as the key step. Anodic oxidn. of bromochloro-phenol deriv. provided the corresponding diaryl ether. Manipulation of the two hydroxyl gro...
- Synthesis of 1,3-di(2-thiazolyl)azulene and its selective chromogenic response to mercury(II) ion.
[作者:Wakabayashi, Shigeharu;Uriu, Ryoko;Asakura, Tomoko;Akamatsu, Chiharu;Sugihara, Yoshikazu;,期刊:Heterocycles, 页码:383-390 , 文章类型: 研究论文,,卷期:2008年75-2]
- Azulene derivs. bearing heteroaryl groups in the 1,3-positions were synthesized, and the color and spectral changes occurring upon the addn. of metal ions were examd. Of the compds. tested, title compd. 4 appears to exh...
- Three new flavonol glycosides from the aerial parts of Tetragonia tetragonoides.
[作者:Lee, Kyu Ha;Park, Ki Myun;Kim, Kyung Ran;Hong, Jongki;Kwon, Hak Cheol;Lee, Kang Ro;,期刊:Heterocycles, 页码:419-426 , 文章类型: 研究论文,,卷期:2008年75-2]
- Three new flavonol glycosides (1-3) and three known lignan amides (4-6) were isolated from the MeOH ext. of the aerial parts of Tetragonia tetragonoides. The chem. structures of the new compds. (1-3) were detd. to be 6-...
- Constituents of green and ripened fruit of Garcinia subelliptica.
[作者:Terashima, Kenji;Ishida, Tomoko;Furukawa, Tadashi;Takaya, Yoshiaki;Niwa, Masatake;,期刊:Heterocycles, 页码:407-413 , 文章类型: 研究论文,,卷期:2008年75-2]
- subelliptica fruit, (+)-4'''-O-methylfukugetin (I), and the comparison of the constituents from green and ripened G. subelliptica fruit are described.
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