The Shocking Revelation of C3H8O2

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New Advances in Chemical Research, May 2021. Redox catalysis has been broadly utilized in electrochemical synthesis due to its kinetic advantages over direct electrolysis. An article , which mentions COA of Formula: C3H8O2, molecular formula is C3H8O2. The compound – (S)-Propane-1,2-diol played an important role in people’s production and life., COA of Formula: C3H8O2

Four kinds of ferroelectric liquid crystals (FLCs) possessing OH groups, ((S)-2-methylbutyl 4-<4-(11-hydroxyundecyloxy)benzylideneamino>cinnamate 4a, (S)-2-methylbutyl 4-<4-(11-hydroxyundecyloxy)-2-hydroxybenzylideneamino>cinnamate 4b, (S)-2-hydroxypropyl 4-<4-(11-hydroxyundecyloxy)benzylideneamino>cinnamate 4c, and (S)-2-hydroxypropyl 4-<4-(11-hydroxyundecyloxy)-2-hydroxybenzylideneamino>cinnamate 4d) were prepared in order to understand how the introduction of OH groups in FLCs affect the phase behavior and electrooptical compounds 4a and 4b.Comparing 4b and 4d both of which have an OH group at the o-position of the benzylidene group with 4a dn 4c, the former samples show a higher SA-isotropization (I) transition temperature than do the latter ones.It is suggested from IR spectroscopic results that inter- and intramolecular hydrogen bonding contribute to the stabilization of the SA phase.The order of the helical pitch in the chiral smectic C (Sc*) phase was found to be 4b>4a>4d>4c within 1.8 – 6.6 mum.From an electrooptical effect due to a deformation of the helical structure in the Sc phase, the rise time of the surface director (tausr) and the rise time of the bulk director (taubr) were measured to be as follows: tausr are 850, 1500, 30 and 70 mus, and taubr are 12, 100, 0.17, and 0.35 ms for 4a, 4b, 4c, and 4d, respectively.It was found that the intramolecular hydrogen bonding results in a slower optical response time, whereas intermolecular hydrogen bonding results in a faster one.

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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate