## Abstract The Mannich aminomethylation reaction of aromatic thiols has been used to produce diazaβ18βcrownβ6 ligands containing thiolβderived side arms. Thiophenols were attached to the azacrown through NβCH~2~βS linkages even in the presence of hydroxy or acetamido groups. Heteroaromatic thiols
Layer and chain structures in the co-Crystals of 18-Crown-6 with aromatic thiosemicarbazide derivatives
β Scribed by Yurii A Simonov; Marina S Fonari; Janusz Lipkowski; Edward V Ganin; Arkadii A Yavolovskii
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 616 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1472-7862
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
The bonding in the As 6 4Γ ion is studied in the unusually low-coordination environment provided by the compound {Rb[18]crown-6)} 2 Rb 2 As 6 β’6 NH 3 . Theoretical analysis of the related P 6 4Γ ion indicates an unusual PΒΌP bond which contains major contributions from the lone pairs. Outside a highl