- Convenient one-pot synthesis of chiral tetrahydropyridines via a multicomponent reaction.
[作者:Noel, Romain;Fargeau-Bellassoued, Marie-Claude;Vanucci-Bacque, Corinne;Lhommet, Gerard;,期刊:Synthesis, 页码:1948-1954 , 文章类型: 研究论文,,卷期:2008年-12]
- The multicomponent condensation of various b-dicarbonyl compds., acrolein, and (S)-2-phenylglycinol provided an one-pot access to chiral 6-carbonyl-3-phenyl-2,3,8,8a-tetrahydro-7H-[1,3]oxazolo[3,2-a]pyridine s. The valu...
- Modified Mukaiyama reaction for the synthesis of quinoline alkaloid analogues: Total synthesis of 3,3-diisopentenyl-N-methylquinoline-2,4-dione.
[作者:Zikou, Lamprini C.;Igglessi-Markopoulou, Olga;,期刊:Synthesis, 页码:1861-1866 , 文章类型: 研究论文,,卷期:2008年-12]
- A general synthetic approach, capable of accessing a diverse range of 3,3-disubstituted quinoline-2,4-diones and 1,8-naphthyridine-2,4-diones via TiCl4-catalyzed C-acylation of silyl ketene acetals is described. The sug...
- Dipolar cycloaddition of dicyclopentadiene with 3-oxidopyrylium betaine: an entry into methano-bridged 5-6-7-fused ring system.
[作者:Yadav, Arun A.;Sarang, Prajakta S.;Wannere, Chaitanya S.;Trivedi, Girish K.;Salunkhe, Manikarao M.;,期刊:Synthesis, 页码:1883-1888 , 文章类型: 研究论文,,卷期:2008年-12]
- (Heterocyclic Compounds (One Hetero Atom)) Section The [3+2] cycloaddn. of 3-oxidopyrylium ylide, generated from an acetoxypyranone, proceeds with complete chemo- and stereoselectivity. The approach of the dipole takes ...
- A concise stereoselective total synthesis of herbarumin III.
[作者:Yadav, Jhillu S.;Kumar, Veerjala Naveen;Rao, Ramisetti Srinivasa;Srihari, Pabbaraja;,期刊:Synthesis, 页码:1938-1942 , 文章类型: 研究论文,,卷期:2008年-12]
- A stereoselective total synthesis of the phytotoxic compd. herbarumin III was achieved by utilizing Crimmins' aldol approach, 1,3-syn asym. redn., and an olefin metathesis reaction as the key steps.
- Convenient preparation of N-monosubstituted S,S-diaryl sulfodiimides using fluoro-l6-sulfanenitriles.
[作者:Yoshimura, Toshiaki;Ishikawa, Hiroki;Fujie, Tetsuo;Takata, Eiichi;Miyatake, Ryuta;Kita, Hiroshi;Tsukurimichi, Eiichi;,期刊:Synthesis, 页码:1835-1840 , 文章类型: 研究论文,,卷期:2008年-12]
- The reaction of fluorodiphenyl-l6-sulfanenitrile with primary alkyl- or arylamines in the presence of acid catalysts or tertiary amines gave N-monosubstituted S,S-di-Ph sulfodiimides effectively.
- Sterically demanding, zwitterionic trialkylphosphonium sulfonates as air-stable ligand precursors for efficient palladium-catalyzed cross-couplings of aryl bromides and chlorides.
[作者:Brown, William S.;Boykin, D'Ariel D.;Sonnier, M. Quentin, Jr.;Clark, William D.;Brown, Fallon V.;Shaughnessy, Kevin H.;,期刊:Synthesis, 页码:1965-1970 , 文章类型: 研究论文,,卷期:2008年-12]
- 3-(Di-tert-butylphosphonium)propane sulfonate (DTB-PPS) and 3-(diadamantylphosphonium)propane sulfonate (DAPPS) are air-stable pre-ligands for aq.-phase palladium-catalyzed cross-coupling reactions. Both DTBPPS and DAPP...
- Aromatization via a dibromination-double dehydrobromination sequence: a facile and convenient synthetic route to 2,6-bis(trifluoroacetyl)phenols.
[作者:Sevenard, Dmitri V.;Kazakova, Olesya;Schoth, Ralf-Matthias;Lork, Enno;Chizhov, Dmitri L.;Poveleit, Joern;Roeschenthaler, Gerd-Volker;,期刊:Synthesis, 页码:1867-1878 , 文章类型: 研究论文,,卷期:2008年-12]
- An efficient and reliable method to synthesize 2,6-bis(trifluoroacetyl)phenols bearing various substituents in the 4-position was developed. These valuable fluorinated building blocks were obtained from the correspondin...
- Boron trifluoride-diethyl etherate complex mediated allylation of Baylis-Hillman adducts: a facile synthesis of 1,5-dienes.
[作者:Yadav, Jhillu S.;Reddy, Basi V. Subba;Mandal, Satadru S.;Singh, Ashutosh Pratap;Basak, Ashok K.;,期刊:Synthesis, 页码:1943-1947 , 文章类型: 研究论文,,卷期:2008年-12]
- Morita-Baylis-Hillman adducts undergo smooth allylic nucleophilic substitution (SN2') with allyltrimethylsilane in the presence of BF3.OEt2 under mild reaction conditions to afford 1,5-diene derivs. in good yields with h...
- A new, easy access to the 6-aminoperhydro-1,4-diazepine scaffold under ultrasound and microwave irradiation.
[作者:Barge, Alessandro;Fuzerova, Silvia;Upadhyaya, Dharita;Garella, Davide;Aime, Silvio;Tei, Lorenzo;Cravotto, Giancarlo;,期刊:Synthesis, 页码:1879-1882 , 文章类型: 研究论文,,卷期:2008年-12]
- A novel, efficient, and rapid synthesis of the 6-aminoperhydro-1,4-diazepine scaffold is reported. It was promoted by microwave or sequential ultrasound/microwave irradn. under solvent-free conditions or in soln. Prote...
- Facile and convenient synthesis of 4,4'-(arylmethylene)bis(1H-pyrazol-5-ols) by electrocatalytic tandem Knoevenagel-Michael reaction.
[作者:Elinson, Michail N.;Dorofeev, Alexander S.;Nasybullin, Ruslan F.;Nikishin, Gennady I.;,期刊:Synthesis, 页码:1933-1937 , 文章类型: 研究论文,,卷期:2008年-12]
- An electrochem. induced catalytic tandem Knoevenagel-Michael reaction of two equiv. of 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one with various arom. aldehydes in ethanol in an undivided cell in the presence of sodium...
- An efficient and highly selective method for the synthesis of 3-arylbenzoquinoline derivatives catalyzed by iodine via three-component reactions.
[作者:Wang, Xiang-Shan;Li, Qing;Wu, Jian-Rong;Li, Yu-Ling;Yao, Chang-Sheng;Tu, Shu-Jiang;,期刊:Synthesis, 页码:1902-1910 , 文章类型: 研究论文,,卷期:2008年-12]
- A mild, efficient, and highly selective method for the synthesis of benzo[f]quinoline derivs. via 3-component reactions of aryl aldehydes, naphthalen-2-amine and ketones or b-keto esters using iodine as catalyst is descr...
|