Results 251 to 260 of about 13,911 (297)

A Chiral Saddle‐Shaped Nanographene With Two Heptagon‐Embedded [4]Helicenes

open access: yesAngewandte Chemie International Edition, EarlyView.
We present a novel synthetic strategy toward a chiral saddle‐shaped nanographene (cSNG) via a two‐step oxidation of a prochiral anthracene precursor. The Scholl‐type oxidation first yields a key intermediate with sp3‐defect heptagons, and subsequent oxidative dehydrogenation affords fully conjugated cSNG.
Felix Trautner   +11 more
wiley   +1 more source

Relationship of sagittal skeletal patterns with the nasal morphology in Iranian orthodontic patients. [PDF]

open access: yesBMC Oral Health
Azizi F   +5 more
europepmc   +1 more source

Automated identification of radiotherapy treatment sites from unstructured physician notes. [PDF]

open access: yesJ Appl Clin Med Phys
Hoxha K   +5 more
europepmc   +1 more source

Association between flat variants of the peroneus brevis tendon and split tears on magnetic resonance imaging. [PDF]

open access: yesSkeletal Radiol
Zych R   +6 more
europepmc   +1 more source

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