Results 41 to 50 of about 26,610,004 (213)

Silver-Mediated Direct sp(3) C-H Bond Functionalization

, 2015
Direct sp(3) C-H bond functionalization is an efficient, straightforward, and powerful method to construct new C-X (X = C, N, F, S) bonds from nonfunctionalized aliphatic motif of organic molecules, which has been used in late-stage modification of ...
Zhou, Taigang, Zhang-Jie Shi, Shi, Zhang-Jie, Taigang Zhou   +3 more
core   +1 more source

Photoinduced Site-Selective C-H Functionalization by Pyridine N-oxide Based HAT Catalysts [PDF]

, 2022
Readily available and facilely tunable pyridine N-oxides have been developed as effective photoinduced hydrogen-atom-transfer (HAT) catalyst for site-selective C-H functionalizations of a broad range of C-H substrates, including unactivated al-kanes ...
Ryan , Young, Ban, Wang, Yongming, Deng, Jujhar , Singh, Gavin , Mccabe, Jingzhi , Pu, Cristina , Ascenzi Pettenuzzo, Logan , Clark   +7 more
core   +2 more sources

Radical-Mediated Regiodivergent C(sp3)–H Functionalization of N-Substituted Indolines via Enzymatic Carbene Transfer [PDF]

Indolines are ubiquitous structural motifs found in pharmaceuticals and natural products but modification of these scaffolds via selective C(sp3)–H functionalization represents a major challenge.
Ru, Cui, Yong, Zhang, Bo, Couture, Rudi, Fasan, Jia-Min, Chu   +4 more
core   +1 more source

KI-H2O2 promoted intramolecular oxidative CH Functionalization: Synthesis of Benzo[d]thiazol-2-amines

Results in Chemistry, 2022
This work reported a novel, efficient and green technique for the synthesis of N-substituted benzothiazoles using KI/H2O2 in DCM via intramolecular oxidative CH functionalization was carried out.
Manish M. Katiya, Madhuri M. Sontakke, Madhukar G. Dhonde   +2 more
doaj   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben, Marisa H. Huisman, Martha A. Grootenhuis, Femke K. Aarsen, Marita Partanen   +4 more
wiley   +1 more source

An Atomically Dispersed Photocatalyst for para-Selective C-H bond Functionalization of Electron-Poor Arenes [PDF]

Regioselective C-H bond functionalization is pivotal in modern scientific exploration, offering solutions for achieving novel synthetic methodologies and pharmaceutical development.
Suman , Pradhan, Jun , Hu, Giovanni , Barcaro, Joaquin , Silvestre-Albero, Jabor , Rabeah, Sandra , Van Aert, Susanna , Monti, Xingchao , Dai, Piotr , Kuśtrowski, Shoubhik, Das, Aleksander , Jaworski, Veronica , Celorrio, Peng , Ren, Yuman, Qin, Sara , Bals, Noopur , Jain, Anna , Rokicińska   +16 more
core   +2 more sources

N,N- and N,O-Bidentate-Chelation-Assisted Alkenyl C–H Functionalization

Molecules
Chelation-assisted olefinic C–H functionalization has been demonstrated to be a powerful method of constructing multi-substituted alkenes from simpler ones.
Yawei Zhang, Chengxing Peng, Xiaoli Li, Xiuying Liu, Liyuan Ding, Guofu Zhong, Jian Zhang   +6 more
doaj   +1 more source

Visible light-induced direct α C–H functionalization of alcohols

Nature Communications, 2019
Alcohols are very useful building blocks in organic synthesis, however C–H functionaliztion in presence of free –OH groups is highly challenging. Here, the authors report a selective visible light-promoted α-functionalization of free alcohols with ...
Linbin Niu, Jiamei Liu, Xing-An Liang, Shengchun Wang, Aiwen Lei   +4 more
doaj   +1 more source

Transition Metal-Catalyzed Remote C–H Bond Functionalization of Cyclic Amines

SynOpen, 2022
C–H bond functionalization is one of the most effective strategies for the rapid synthesis of cyclic amines containing substituents in the ring, which are core structures of many bioactive molecules. It is, however, much more challenging to perform this
Weijie Chen, Xiaoyu Yang, Xi Cao
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye, Chimezie Okwuonu, Evelyn Idam, Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Zinnah Aloziem, Blossom Amamchukwu, Patience Elimia, Mkpoikanabasi Obot‐Obot, Henry Mbakwe, Praises Maduagwuna, Olatunji Akinrodoye, Chiamaka Anyanwu, Benjamin Anyanwu, Adedamola Akinsiku, Oluwatoyin A. Akinsiku, Muzamil O. Hassan, Fatiu A. Arogundade, Olalekan E. Ojo, Homayemem Weli, Jesupelumi Adenihun, Aderemi Adelaja, Ebun Bamgboye, Olalekan Olatise, Ade E. Faponle, Ayoola Odeyemi, Michael Muoka, Stephen Asaolu, Qudrat Busari, Blessing Dawudu, Michael Naiyeju, Rasheed A. Balogun   +33 more
wiley   +1 more source