- Directed (R)- or (S)-selective dynamic kinetic enzymatic hydrolysis of 1,2,3,4-tetrahydroisoquinoline-1-carboxylic esters.
[作者:Paal, Tihamer A.;Liljeblad, Arto;Kanerva, Liisa T.;Forro, Eniko;Fulop, Ferenc;,期刊:European Journal of Organic Chemistry, 页码:5269-5276 , 文章类型: 研究论文,,卷期:2008年-31]
- The first synthesis of both enantiomers of 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid (I) was accomplished through dynamic kinetic resoln. in procedures based on CAL-B- or subtilisin Carlsberg-catalyz...
- Catalytic enantioselective a-oxysulfonylation of ketones mediated by iodoarenes.
[作者:Altermann, Sabine M.;Richardson, Robert D.;Page, T. Keri;Schmidt, Ruth K.;Holland, Edward;Mohammed, Umal;Paradine, Shauna M.;French, Andrew N.;Richter, Christine;Bahar, A. Masih;Witulski, Bernhard;Wirth, Thomas;,期刊:European Journal of Organic Chemistry, 页码:5315-5328 , 文章类型: 研究论文,,卷期:2008年-31]
- The a-oxysulfonylation of ketones catalyzed by enantioenriched iodoarenes using mCPBA as stoichiometric oxidant is reported to give useful synthetic intermediates in good yield and modest enantioselectivity. This enanti...
- 2-methoxy-D3-1,3,4-oxadiazoline, a multipurpose precursor for the generation of a carbene, an ylide, or a diazo compound.
[作者:Mieusset, Jean-Luc;Billing, Peter;Abraham, Michael;Arion, Vladimir B.;Brecker, Lothar;Brinker, Udo H.;,期刊:European Journal of Organic Chemistry, 页码:5336-5345 , 文章类型: 研究论文,,卷期:2008年-31]
- In study of the intermol. reactions of foiled carbenes of the norborn-2-en-7-ylidene type, the authors have studied the decompn. of methoxyoxadiaoline 1 in alcs. Most of the reactions performed lead to products with an ...
- New fluorescent calix crown ethers, part II: synthesis and complex formation in solution and the solid state.
[作者:Stoll, Ion;Brodbeck, Ralf;Wiegmann, Sebastian;Eberhard, Jens;Kerruth, Silke;Neumann, Beate;Stammler, Hans-Georg;Mattay, Jochen;,期刊:European Journal of Organic Chemistry, 页码:5231-5238 , 文章类型: 研究论文,,卷期:2008年-31]
- New luminescent 1-aza-15-crown-5 ethers bearing a coumarin unit were synthesized leading to the cavitand-based calix crown ether 9. The solid-state structures of crown ethers I (R = H, R1 = Ph, H) 5 and 6 and the solid-s...
- Na-Fmoc-protected w-azido- and w-alkynyl-L-amino acids as building blocks for the synthesis of "clickable" peptides.
[作者:Le Chevalier Isaad, Alexandra;Barbetti, Francesca;Rovero, Paolo;D'ursi, Anna Maria;Chelli, Mario;Chorev, Michael;Papini, Anna Maria;,期刊:European Journal of Organic Chemistry, 页码:5308-5314 , 文章类型: 研究论文,,卷期:2008年-31]
- The growing interest in the 1,4-disubstituted-1,2,3-triazolyl moiety as an amide bond surrogate and its formation through very mild, chemoselective, and bioorthogonal Cu(I)-catalyzed Huisgen 1,3-dipolar [3+2]-cycloaddn. ...
- Boron-based diastereomerism and enantiomerism in imine complexes - determination of the absolute configuration at boron by CD spectroscopy.
[作者:Braun, Manfred;Schlecht, Sebastian;Engelmann, Marco;Frank, Walter;Grimme, Stefan;,期刊:European Journal of Organic Chemistry, 页码:5221-5225 , 文章类型: 研究论文,,卷期:2008年-31]
- B turns out to be a stable stereogenic center in imine complexes of aryl and alkyl boronates. Diastereomerically pure complexes, e.g., I, were obtained from chiral imine ligands, e.g., (R)-2-HO-3,5-tBu2C6H2CH:NCPh2CHPh(...
- Domino Heck-aza-Michael reactions: a one-pot, sequential three-component approach to 1,1-dioxido-1,2-benzisothiazoline-3-acetic acid.
[作者:Rolfe, Alan;Young, Kyle;Hanson, Paul R.;,期刊:European Journal of Organic Chemistry, 页码:5254-5262 , 文章类型: 研究论文,,卷期:2008年-31]
- The development of a new method for the synthesis of 1,1-dioxido-1,2-benzisothiazoline-3-acetic acid by a domino process is reported whereby a classical Heck reaction is coupled to an intramol. aza-Michael reaction. Ult...
- A new class of fluorescent dye for sensing water in organic solvents by photo-induced electron transfer - a (phenylamino)naphth[1,2-d]oxazol-2-yl-type fluorophore with both proton-binding and proton-donating sites.
[作者:Ooyama, Yousuke;Egawa, Haruka;Yoshida, Katsuhira;,期刊:European Journal of Organic Chemistry, 页码:5239-5243 , 文章类型: 研究论文,,卷期:2008年-31]
- Five new fluorescent dyes for sensing water in org. solvents by photo-induced electron transfer (PET), based on a (phenylamino)naphth[1,2-d]oxazol-2-yl-type fluorophore with both proton binding and proton donating sites,...
- Regioselective domino metathesis of 7-oxanorbornenes and its application to the synthesis of biologically active glutamate analogues.
[作者:Ikoma, Minoru;Oikawa, Masato;Gill, Martin B.;Swanson, Geoffrey T.;Sakai, Ryuichi;Shimamoto, Keiko;Sasaki, Makoto;,期刊:European Journal of Organic Chemistry, 页码:5215-5220 , 文章类型: 研究论文,,卷期:2008年-31]
- A highly regioselective domino metathesis reaction of 7-oxanorbornene was developed that employed an intramol. assocn. of an amide carbonyl group to a ruthenium metal center. By using this reaction, twelve glutamate ana...
- Lewis acid catalyzed reactions of donor-acceptor cyclopropanes with anthracenes.
[作者:Ivanova, Olga A.;Budynina, Ekaterina M.;Grishin, Yuri K.;Trushkov, Igor V.;Verteletskii, Pavel V.;,期刊:European Journal of Organic Chemistry, 页码:5329-5335 , 文章类型: 研究论文,,卷期:2008年-31]
- The reactions of 2-aryl-1,1-cyclopropane diesters with anthracene derivs. were studied for the first time. Three kinds of reaction products are formed depending on the nature of the aryl group and the substituents in th...
|