Spectroscopy is a key tool for identifying chemical compounds and analyzing molecular structures. Learn how to read and ...

Although natural sources of compounds that contain the oxazolidin-2-one nucleus are very rare, 5 Kakeya et al. 6 were able to isolate a novel compound belonging to this class, ...

We observed that this methodology also worked for benzophenone, leading to β-benzopinacolone (compound 7) in 34% isolated yield. Considering that it is a one-pot methodology starting from ketone and ...

Determined by gel permeation chromatography (GPC) in THF. The oligomer formation was neglected ... Determined by comparison of 13 C{1 H} NMR measurements of cyclic lactone with the product of hydrogen ...

In addition, gel permeation chromatography (GPC) and nuclear magnetic resonance (NMR) were used to evaluate the changes in the molecular weight and isoprene skeleton of the rubber. Finally, we ...

Then, sodium borohydride and water were added under ice-bath. After oxidization by sodium periodate, tetrahydrofuran-3,4-acetone-2-ol (Compound 1) was obtained with yield rate of 57%. Then, the ...

Next, butadiene, styrene, cyclohexane, and tetrahydrofuran were successively added into a ... HTSSBR was successfully synthesized via anionic polymerization. By analyzing 1 H NMR and FT-IR ...

The majority of human breast cancer is estrogen receptor alpha (ER) positive. While anti-estrogens/aromatase inhibitors are initially effective, resistance to these drugs commonly develops.