Results 181 to 190 of about 690 (205)

Synthesis of Benzodithieno[5.5.5.6]Fenestranes: Unexpected Epimerization and Regiochemical Outcomes

Asian Journal of Organic Chemistry, EarlyView.
Isomeric [5.5.5.6]fenestranes annulated with one benzene and two thiophene rings are accessible via di‐2‐ and di‐3‐thienylspirane intermediates. The key double cyclization step involves surprising stereoselectivity and regioselectivity. In particular, cis‐di(2‐thienyl)spirane precursors lead to the all‐cis‐fenestrane skeleton by an unexpected acid ...
Björn Bredenkötter, Wai‐Shing Wong, Man‐Kit Lee, Chun‐Fai Ng, Hak‐Fun Chow, Dietmar Kuck   +5 more
wiley   +1 more source

4,6‐O‐Phenylboronic Ester Protection for 1,2‐cis‐α‐Selective Glucosylation

Asian Journal of Organic Chemistry, EarlyView.
The 4,6‐O‐phenylboronic ester protection for 1,2‐cis‐α‐selective glucosylation, previously reported by the Crich group, was revisited and the stereodirecting effect of the cyclic protecting group was unveiled. 4,6‐O‐Phenylboronic ester‐protected glucosyl and 2‐azido‐2‐deoxyglucosyl donors exhibited higher α‐selectivity of the glucosylation than the ...
Yuta Umemura, Taro Udagawa, Naoko Komura, Akihiro Imamura, Hideharu Ishida, Hiromune Ando, Hide‐Nori Tanaka   +6 more
wiley   +1 more source

Photo‐ and Electroluminescence of N,N‐Diphenylaminophenyl–Quinoxaline Donor–Acceptor‐Type Dyes: Electronic Impacts of Electron‐Withdrawing Ability of the Acceptor Unit

Asian Journal of Organic Chemistry, EarlyView.
Compact N,N‐diphenylaminophenyl–quinoxaline donor–acceptor‐type dyes were synthesized, and the effects of substituents on the fluorescence properties were investigated. Introduction of electron‐withdrawing groups to the quinoxaline acceptor caused a red shift of the emission, and furthermore, thermally activated delayed fluorescence was facilitated by ...
Masaki Nagaoka, Keito Ueda, Hiroaki Chihara, Naoya Suzuki, Shintaro Kodama, Takeshi Maeda, Shigeyuki Yagi   +6 more
wiley   +1 more source

Tuning Antiaromaticity Through Meso‐Substituent Orientation in Core‐Modified Isophlorins

Asian Journal of Organic Chemistry, EarlyView.
The antiaromaticity of dithiadioxaisophlorins is controlled by the steric bulkiness of meso‐substituents through their tilt angle relative to the macrocycle. Bulkier substituents maintain larger angles, preserving stronger antiaromaticity, while smaller groups facilitate π‐conjugation with the macrocycle, diminishing antiaromaticity.
Maika Isoda, Haruna Sugimura, Yusuke Honda, Ken‐ichi Yamashita   +3 more
wiley   +1 more source

HCN2‐Associated Neurodevelopmental Disorders: Data from Patients and Xenopus Cell Models

Annals of Neurology, EarlyView.
Objective We aimed to characterize the phenotypic spectrum and functional consequences associated with variants in HCN2, encoding for the hyperpolarization‐activated cyclic nucleotide (HCN) gated channel 2. Methods GeneMatcher facilitated the recruitment of 21 individuals with HCN2 variants from 15 unrelated families, carrying HCN2 variants.
Clara Houdayer, A. Marie Phillips, Marie Chabbert, Jennifer Bourreau, Reza Maroofian, Henry Houlden, Kay Richards, Nebal Waill Saadi, Eliška Dad'ová, Patrick Van Bogaert, Mailys Rupin, Boris Keren, Perrine Charles, Thomas Smol, Audrey Riquet, Lynn Pais, Anne O'Donnell‐Luria, Grace E. VanNoy, Allan Bayat, Rikke S Møller, Kern Olofsson, Rami Abou Jamra, Steffen Syrbe, Majed Dasouki, Laurie H. Seaver, Jennifer A. Sullivan, Vandana Shashi, Fowzan S. Alkuraya, Alexis F. Poss, J. Edward Spence, Rhonda E. Schnur, Ian C. Forster, Chaseley E. Mckenzie, Cas Simons, Min Wang, Penny Snell, Kavitha Kothur, Michael Buckley, Tony Roscioli, Noha Elserafy, Benjamin Dauriat, Vincent Procaccio, Daniel Henrion, Guy Lenaers, Estelle Colin, Nienke E. Verbeek, Koen L. Van Gassen, Claire Legendre, Dominique Bonneau, Christopher A. Reid, Katherine B. Howell, Alban Ziegler, Christian Legros   +52 more
wiley   +1 more source

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ВлиÑние на мотивационни фактори върху удовлетвореноÑтта от дейноÑтта при лекари

, 2011
ПN€Ð¾NƒN‡Ð²Ð°Ð½ÐµN‚о на моN‚иваN†Ð¸Ð¾Ð½Ð½Ð°N‚а NN„еN€Ð° е вNÐµ Ð?о-Ð?N€Ð¸N‚егаN‚елна облаNN‚ за изNÐ»ÐµÐ´Ð²Ð°Ð½Ðµ в ÐoонN‚еÐoNN‚а на NNSвN€ÐµÐ¼ÐµÐ½Ð½Ð¸N‚е изиNÐoваниN на мениджмNSнN‚а.
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Животниот Ñтил и контрола на хроничните незаразни болеÑти [PDF]

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Non-communicable diseases, also known as modern-life diseases, are the leading cause of morbidity and mortality in the world and in the Republic of Macedonia. The complexity of their occurrence, often associated with multifactorial etiology and lifestyle
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