- Stereoselective 1,4-phenyl migration from silicon to carbon in a-siloxy cyclic acetal systems: a concise synthesis of 1,2-cis-phenyl C-glycoside and enantio-enriched silanol.
[作者:Nakazaki, Atsuo;Usuki, Junji;Tomooka, Katsuhiko;,期刊:SYNLETT, 页码:2064-2068 , 文章类型: 研究论文,,卷期:2008年-13]
- The treatment of O-glycoside with alc. in the presence of montmorillonite K10 clay and 4-?MS yields the 1,4-aryl migration product with a 1,2-cis-Ph C-glycoside scaffold and a chiral silyl moiety with high stereoselectiv...
- Fast and efficient preparation of an a-fucosyl building block by reductive 1,2-benzylidene ring-opening reaction.
[作者:Werz, Daniel B.;Schuster, Heiko J.;Tietze, Lutz F.;,期刊:SYNLETT, 页码:1969-1972 , 文章类型: 研究论文,,卷期:2008年-13]
- 1,2-Benzylidene ring opening on fucose was promoted in the presence of different reducing agents and Lewis acids, providing a fast access to fucosyl building blocks.
- Stereoselective synthesis of (25R)-dafachronic acids and (25R)-cholestenoic acid as potential ligands for the DAF-12 receptor in Caenorhabditis elegans.
[作者:Martin, Rene;Schmidt, Arndt W.;Theumer, Gabriele;Kurzchalia, Teymuras V.;Knoelker, Hans-Joachim;,期刊:SYNLETT, 页码:1965-1968 , 文章类型: 研究论文,,卷期:2008年-13]
- Com. available diosgenin was used as starting material for a highly efficient synthesis of (25R)-dafachronic acids and (25R)-cholestenoic acid, potential ligands for the receptor DAF-12 in the nematode Caenorhabditis ele...
- A concise diastereoselective approach to the left-hand side of batzelladine A.
[作者:Davies, Christopher D.;Elliott, Mark C.;Hill-Cousins, Joseph;Khan, Misbah-ul A.;Maqbool, Tahir;Wood, John L.;,期刊:SYNLETT, 页码:2028-2032 , 文章类型: 研究论文,,卷期:2008年-13]
- A highly diastereoselective 3-component coupling reaction was used in a concise approach to the left-hand side of batzelladine A. The stereoselectivity of this reaction, along with related observations described herein,...
- Use of acyl phosphonates as a coupling partner for rhodium-catalyzed [2+2+2] cycloaddition: unexpected dependence of the reactivity on structures of a,w-diynes.
[作者:Tanaka, Ken;Tanaka, Rie;Nishida, Goushi;Hirano, Masao;,期刊:SYNLETT, 页码:2017-2022 , 文章类型: 研究论文,,卷期:2008年-13]
- A cationic rhodium(I)-H8-BINAP complex catalyzes a [2+2+2] cycloaddn. of 1,6- and 1,7-diynes with acyl phosphonates in high yields with high regioselectivity. Interestingly, the reactivity of a,w-diynes toward acyl phos...
- Cobalt-mediated [2+2+2] cycloaddition of alkynyl boronates to indole and pyrrole double bonds.
[作者:Amslinger, Sabine;Aubert, Corinne;Gandon, Vincent;Malacria, Max;Paredes, Elisa;Vollhardt, K. Peter C.;,期刊:SYNLETT, 页码:2056-2060 , 文章类型: 研究论文,,卷期:2008年-13]
- The complex [CpCo(C2H4)2] facilitates the [2+2+2] cycloaddn. of borylalkynes to N-(4-pentynoyl)indole and -pyrrole to furnish heterocyclofused borylcyclohexadienes regioselectively.
- A novel [3+2] dipolar cycloaddition approach to hexahydrobenzofuro[3,2-b]pyrroles.
[作者:Kim, Ikyon;Na, Hee-Kyung;Kim, Kyung Ran;Kim, Sun Gi;Lee, Ge Hyeong;,期刊:SYNLETT, 页码:2069-2071 , 文章类型: 研究论文,,卷期:2008年-13]
- (Heterocyclic Compounds (More Than One Hetero Atom)) Section A highly stereoselective intramol. 1,3-dipolar cycloaddn. reaction of azomethine ylides derived from 2-vinyloxybenzaldehydes proceeded smoothly to allow for a ...
- Synthesis of chiral ethyl 5-(acetoxyimino)-2,7,7-trimethyl-4-(1-naphthyl)-5,6,7,8-tetrahydroquinoli ne-3-carboxylate via lipase-catalyzed hydrolysis.
[作者:Zhou, Yongchang;Sato, Yu;Kijima, Tatsuro;Izumi, Taeko;,期刊:SYNLETT, 页码:1999-2004 , 文章类型: 研究论文,,卷期:2008年-13]
- Novel racemic polyhydroquinoline derivs. were synthesized by a one-pot approach via a modified Hantzsch reaction followed by aromatization. The optical resoln. was carried out by using lipase L-2 in MTBE contg. 1 equiv ...
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