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1,4-Diethynylbenzene-2,3,5,6-d4 is a deuterated derivative of 1,4-diethynylbenzene, where the hydrogen atoms at the 2, 3, 5, and 6 positions of the benzene ring are replaced by deuterium. 1,4-diethynylbenzene-2,3,5,6-d4 serves as a precursor in the synthesis of molecular rotors, such as the 1,4-diethynylbenzenebis(triphenylborate) dianion, which exhibits dynamic behavior in the solid state, as studied by 2H NMR spectroscopy. The deuterated form is particularly useful for probing rotational dynamics due to the distinct NMR signatures of deuterium.

66367-70-2

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66367-70-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66367-70-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,6 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66367-70:
(7*6)+(6*6)+(5*3)+(4*6)+(3*7)+(2*7)+(1*0)=152
152 % 10 = 2
So 66367-70-2 is a valid CAS Registry Number.

66367-70-2Downstream Products

66367-70-2Relevant academic research and scientific papers

Ultra-Fast Molecular Rotors within Porous Organic Cages

Hughes, Ashlea R.,Brownbill, Nick J.,Lalek, Rachel C.,Briggs, Michael E.,Slater, Anna G.,Cooper, Andrew I.,Blanc, Frédéric

, p. 17217 - 17221 (2017)

Using variable temperature 2H static NMR spectra and 13C spin-lattice relaxation times (T1), we show that two different porous organic cages with tubular architectures are ultra-fast molecular rotors. The central para-phen

Ionic rotors. Preparation, structure, and dynamic solid-state 2D NMR study of the 1,4-diethynylbenzenebis(triphenylborate) dianion

Gardinier, James R.,Pellechia, Perry J.,Smith, Mark D.

, p. 12448 - 12449 (2005)

The reaction between p-(LiC2)2C6H4 (generated in situ from butyllithium and dialkynylbenzene) and 2 equiv of BPh3 affords high yields of [Li(THF)4]2[p-(Ph3BC2/su

Ultrafast Molecular Rotors and Their CO2 Tuning in MOFs with Rod-Like Ligands

Bracco, Silvia,Castiglioni, Fabio,Comotti, Angiolina,Galli, Simona,Negroni, Mattia,Maspero, Angelo,Sozzani, Piero

supporting information, p. 11210 - 11215 (2017/08/26)

A metal organic framework (MOF) engineered to contain in its scaffold rod-like struts featuring ultrafast molecular rotors showed extremely rapid 180 ° flip reorientation with rotational rates of 1011 Hz at 150 K. Crystal-pore accessibility of

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