- Stable near-infrared anionic polymethine dyes: Structure, photophysical, and redox properties.
[作者：Bouit, Pierre-Antoine;Di Piazza, Emmanuel;Rigaut, Stephane;Le Guennic, Boris;Aronica, Christophe;Toupet, Loic;Andraud, Chantal;Maury, Olivier;,期刊：Organic Letters, 页码：4159-4162 , 文章类型： 研究论文，,卷期：2008年10-19]
- 72, 73, 77 The concept of cyanine has been successfully extended to an anionic heptamethine dye featuring tricyanofuran moieties in terms of structure, reactivity, and photophys. properties. Importantly, absorption and ...
- Diastereoselective Synthesis of a,b'-Disubstituted Aminomethyl(2-carboxyethyl)phosphinates as Phosphinyl Dipeptide Isosteres.
[作者：Yamagishi, Takehiro;Ichikawa, Hiroyuki;Haruki, Terumitsu;Yokomatsu, Tsutomu;,期刊：Organic Letters, 页码：4347-4350 , 文章类型： 研究论文，,卷期：2008年10-19]
- A new and efficient method has been developed for the diastereoselective synthesis of unnatural dipeptide analogs contg. the metabolically stable phosphinic moiety, H-Xaay[P(O)OHCH2]Xaa-OH, which mimics the transition st...
- An efficient copper-aluminum hydrotalcite catalyst for asymmetric hydrosilylation of ketones at room temperature. [Erratum to document cited in CA149:246243].
[作者：Kantam, M. Lakshmi;Laha, Soumi;Yadav, Jagjit;Likhar, Pravin R.;Sreedhar, B.;Jha, Shailendra;Bhargava, Suresh;Udayakiran, M.;Jagadeesh, B.;,期刊：Organic Letters, 页码：4391-4391 , 文章类型： 研究论文，,卷期：2008年10-19]
- The Supporting Information Section contained errors in the optical rotation, concn., H NMR chem. shift values, C NMR chem. shift values, HPLC retention times, and HPLC spectra. The cor. version of the Supporting Informa...
- Synthesis of CH2-Linked a(2,3)Sialylgalactose Analog: On the Stereoselectivity of the Key Ireland-Claisen Rearrangement.
[作者：Watanabe, Toru;Hirai, Go;Kato, Marie;Hashizume, Daisuke;Miyagi, Taeko;Sodeoka, Mikiko;,期刊：Organic Letters, 页码：4167-4170 , 文章类型： 研究论文，,卷期：2008年10-19]
- A CH2-linked a(2,3)sialylgalactose analog was efficiently synthesized using an Ireland-Claisen rearrangement, which was developed recently by our group for constructing a CF2-sialoside. The reaction conditions of the re...
- Total Synthesis of (-)-Histrionicotoxin 285A and (-)-Perhydrohistrionicotoxin.
[作者：Macdonald, James M.;Horsley, Helen T.;Ryan, John H.;Saubern, Simon;Holmes, Andrew B.;,期刊：Organic Letters, 页码：4227-4229 , 文章类型： 研究论文，,卷期：2008年10-19]
- Starting from com. available (S)-glycidol, and via a common intermediate, the total synthesis of (-)-histrionicotoxin 285A (I) and (-)-perhydrohistrionicotoxin (II) has been achieved. Key to this synthesis was the effic...
- Palladium-Catalyzed Disilylation of o-Quinodimethanes: Synthesis of 9- and 10-Membered Disilacarbocycles.
[作者：Yoshida, Hiroto;Nakano, Saori;Mukae, Masashi;Ohshita, Joji;,期刊：Organic Letters, 页码：4319-4322 , 文章类型： 研究论文，,卷期：2008年10-19]
- O-Quinodimethanes are efficiently inserted into a Si-Si bond of cyclic disilanes (e.g. 1,1,2,2-tetramethyl-1,2-disilacyclopentane) in the presence of a Pd-diphenyl-2-pyridylphosphine catalyst, giving 9- and 10-membered d...
- Catalytic Asymmetric Conjugate Addition of Grignard Reagents to a,b-Unsaturated Sulfones.
[作者：Bos, Pieter H.;Minnaard, Adriaan J.;Feringa, Ben L.;,期刊：Organic Letters, 页码：4219-4222 , 文章类型： 研究论文，,卷期：2008年10-19]
- A highly efficient method is reported for the asym. conjugate addn. of Grignard reagents to a,b-unsatd. 2-pyridylsulfones. Using a Cu/TolBinap complex, excellent enantioselectivities and high yields are obtained for a w...
- A Samarium(II)-Mediated, Stereoselective Cyclization for the Synthesis of Azaspirocycles.
[作者：Guazzelli, Giuditta;Duffy, Lorna A.;Procter, David J.;,期刊：Organic Letters, 页码：4291-4294 , 文章类型： 研究论文，,卷期：2008年10-19]
- Unsatd. keto-lactams, e.g. I [X = (CH2)n, n = 1,2], undergo sequential conjugate redn.-aldol cyclization on treatment with SmI2 to give syn-spirocyclic pyrrolidinones and piperidinones contg. vicinal, fully substituted s...
|