Synthesis, characterization, and photophysical properties of novel 9‑phenyl-9-phosphafluorene oxide derivatives [0.03%]
新型9-苯基-9-磷杂荧蒽氧化物衍生物的合成、表征及光物理性质研究
Shuxian Qiu,Duan Dong,Jiahui Li et al.
Shuxian Qiu et al.
A novel series of D-A-D-type 9-phenyl-9-phosphafluorene oxide (PhFlOP) derivatives was prepared and is reported herein. The synthetic protocol involved 5 steps from commercially available 2-bromo-4-fluoro-1-nitrobenzene, featuring a noble-m...
Synthesis of acenaphthylene-fused heteroarenes and polyoxygenated benzo[ j]fluoranthenes via a Pd-catalyzed Suzuki-Miyaura/C-H arylation cascade [0.03%]
钯催化Suzuki-Miyaura/C-H芳基化串联反应合成吖啶稠杂环和多氧代苯并氟烷类化合物
Merve Yence,Dilgam Ahmadli,Damla Surmeli et al.
Merve Yence et al.
Acenaphthylene-fused heteroarenes with a variety of five- and six-membered heterocycles such as thiophene, furan, benzofuran, pyrazole, pyridine and pyrimidine were synthesized via an efficient Pd-catalyzed reaction cascade in good to high ...
Giese-type alkylation of dehydroalanine derivatives via silane-mediated alkyl bromide activation [0.03%]
通过硅烷介导的溴代烷活化使去氢丙氨酸衍生物发生Giese型烷基化反应
Perry van der Heide,Michele Retini,Fabiola Fanini et al.
Perry van der Heide et al.
The rising popularity of bioconjugate therapeutics has led to growing interest in late-stage functionalization (LSF) of peptide scaffolds. α,β-Unsaturated amino acids like dehydroalanine (Dha) derivatives have emerged as particularly usef...
Efficient synthesis of fluorinated triphenylenes with enhanced arene-perfluoroarene interactions in columnar mesophases [0.03%]
具有增强的稠环-全氟稠环相互作用的柱状液晶茋的高效合成
Yang Chen,Jiao He,Hang Lin et al.
Yang Chen et al.
The high potential of non-covalent arene-fluoroarene intermolecular interactions in the design of liquid crystals lies in their ability to strongly promote self-assembly, improve the order and stability of the supramolecular mesophases, and...
Reactivity of hypervalent iodine(III) reagents bearing a benzylamine with sulfenate salts [0.03%]
苯乙胺基三价碘试剂与硫烯酸盐的反应性研究
Beatriz Dedeiras,Catarina S Caldeira,José C Cunha et al.
Beatriz Dedeiras et al.
The reactivity of our recently disclosed hypervalent iodine reagents (HIRs) bearing a benzylamine with in situ-generated sulfenate salts was investigated. Under the studied conditions sulfonamides have been obtained in up to 52% yield. This...
Intramolecular C-H arylation of pyridine derivatives with a palladium catalyst for the synthesis of multiply fused heteroaromatic compounds [0.03%]
用于合成稠杂芳烃化合物的吡啶衍生物分子内C-H与aryl偶联反应及其钯催化剂的研究
Yuki Nakanishi,Shoichi Sugita,Kentaro Okano et al.
Yuki Nakanishi et al.
The C-H arylation of 2-quinolinecarboxyamide bearing a C-Br bond at the N-aryl moiety is carried out with a palladium catalyst. The reaction proceeds at the C-H bond on the pyridine ring adjacent to the amide group in the presence of 10 mol...
Ceratinadin G, a new psammaplysin derivative possessing a cyano group from a sponge of the genus Pseudoceratina [0.03%]
由拟海绵属海绵中提取的新派沙霉素衍生物--含氰基的Ceratinadin G
Shin-Ichiro Kurimoto,Kouta Inoue,Taito Ohno et al.
Shin-Ichiro Kurimoto et al.
A new psammaplysin derivative, ceratinadin G (1), was obtained from the Okinawan marine sponge Pseudoceratina sp., and the gross structure was clarified through spectroscopic and spectrometric analyses. The absolute configuration of compoun...
Non-covalent organocatalyzed enantioselective cyclization reactions of α,β-unsaturated imines [0.03%]
非共价有机催化的α,β-不饱和亚胺的对映选择性环化反应
Sergio Torres-Oya,Mercedes Zurro
Sergio Torres-Oya
Asymmetric cycloaddition is a straightforward strategy which enables the synthesis of structurally distinct cyclic derivatives which are difficult to access by other methodologies, using an efficient and atom-economical path from simple pre...
Discovery of ianthelliformisamines D-G from the sponge Suberea ianthelliformis and the total synthesis of ianthelliformisamine D [0.03%]
来自海绵Suberea ianthelliformis的ianthelliformisamine D-G的发现及对ianthelliformisamine D的全合成
Sasha Hayes,Yaoying Lu,Bernd H A Rehm et al.
Sasha Hayes et al.
The marine sponge Suberea ianthelliformis was investigated for new chemistry after the recent discovery that polyamines ianthelliformisamines A-C (1-3) - originally sourced from this Australian sponge - act as Pseudomonas aeruginosa biofilm...
Synthesis of 2 H-azirine-2,2-dicarboxylic acids and their derivatives [0.03%]
2H-吖丙啶-2,2-二羧酸及其衍生物的合成
Anastasiya V Agafonova,Mikhail S Novikov,Alexander F Khlebnikov
Anastasiya V Agafonova
Methods for the preparation of 3-aryl-2H-azirine-2,2-dicarboxylic acids and their amides, esters, and azides by FeCl2-catalyzed isomerization of 3-aryl-5-chloroisoxazole-4-carbonyl chlorides into 3-aryl-2H-azirine-2,2-dicarbonyl dichlorides...