Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 15227-42-6, is researched, Molecular C10H10Cl2N2Pt, about The separation of nonelectrolytic geometric isomers of platinum(II) by thin-layer chromatography, the main research direction is CHROMATOG THIN LAYER; PLATINUM 2 ISOMERIC COMPLEX.Recommanded Product: 15227-42-6.
Microscope slides (75 × 25 mm.) were cleaned with detergent, rinsed in H2O, and coated with a slurry containing 1 part Silica Gel G in 3 parts of a 1:1 volume mixture of MeOH and redistilled CH2Cl2. The plates were air dried for 10-20 min. and activated for 1 hr. at 110°. Saturated solutions of the cis isomers, trans isomers, and a 1:1 by weight mixture of both Pt isomers in CH2Cl2 were applied to the plate. The plate was air dried for 2-3 min. and then developed with an ascending technique until the solvent had attained ∼6 cm. The plate was then air dried and the intense yellow-spots detected in a screw-cap jar containing I. The difference of the cis and trans migrations. ΔRf, indicated the effectiveness of separation For [Pt(Et2S)2Cl2] developed in C6H6, CH2Cl2, and 19:1 mixture of C6H6:Me2CO, ΔRf was 0.45, 0.45, and 0.45, resp. For [Pt(Bu3P)2Cl2] developed in C6H6, CH2Cl2, and a 1:1 mixture of C6H6:CH2Cl2 ΔRf was 0.95, 0.55 and 0.80, resp. For [Pt(pyridine)2Cl2] developed in CH2Cl2, 5:1 of C6H6:Me2CO Me2CO, and 5:1 of CH2Cl2:Me2CO ΔRf was 0.20, 0.45, and 0.35 resp. For [(Pr3P)2Pt2(PhS)2Cl2] developed in C6H6 and CH2Cl2 ΔRf was 0.40 and 0.45, resp. For [(Pr3P)2Pt(EtS)2Cl2] developed in CH2Cl2, 1:2 of C6H6:CH2Cl2, and C6H6 ΔRf was 0.40, 0.40, and 0.30, resp. For [Pr3P)2Pt2(p-O2NC6H4S)2Cl2] developed in CH2Cl2 and 2:1 of C6H6:Me2CO ΔRf was 0.30, 0.20, and 0.10, resp. Two (200 × 100 mm.) silica gel plates were prepared A mixture of 100 mg. cis and 100 mg. trans [Cl2Pt(PBu3)2] in CH2Cl2 were applied to the plates and developed with C6H6. The bands at Rf 0.0-0.1 and 0.85-0.10 were removed and eluted with Me2CO and CH2Cl2, resp. Evaporation yielded 91% cis isomer and 93% trans isomer. Thus, complete separation had been achieved with solvent induced isomerization.
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Reference:
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem