The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 175358-01-7, Name is 3-Amino-6-chloropicolinamide, SMILES is O=C(N)C1=NC(Cl)=CC=C1N, in an article , author is Mayer, Kerstin, once mentioned of 175358-01-7, Recommanded Product: 3-Amino-6-chloropicolinamide.
On the Oxidation of [Ge-9](4-) – Crystal Structures and Raman Spectroscopic Investigation of Linked Ge-9 Clusters
Oxidation of Ge-9 Zintl clusters can afford condensed cluster species in the form of dimers, oligomers and polymers. In this work, we present a new route for the synthesis of Ge-9 tetramers present in the compound [K(18-crown-6)](8)[Ge-9=Ge-9=Ge-9=Ge-9] . 4 pyr. The reaction of a pyridine solution of K4Ge9 with 18-crown-6 first leads to the formation of green needles of yet unknown composition, which convert into the reported tetramer over time. In this reaction pyridine acts as oxidation reagent. Raman studies on the green needles as well as on tetrameric and polymeric Ge-9 feature complex vibrational patterns. Furthermore, we present the crystal structure of a new type of Ge-9 dimer in the compound K-4[K(2.2.2-crypt)](2)[Ge-9-Ge-9] . 4 en . 2 thf, which represents an intermediate between the two established conformers.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem