2007
DOI: 10.1021/om700421b
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Formation of a Double-Bicapped Hexatin Phosphate Cage by a De-arylation Reaction. Synthesis and Structure of [(PhSn)6(μ-OH)23-O)2(μ-OEt)4{(ArO)PO3}4] (Ar = 2,6-i-Pr2C6H3)

Abstract: The reaction of bis(triphenyl)tin oxide, (Ph3Sn)2O, with 2,6-diisopropylphenylphosphate, (ArO)PO3H2 (Ar = 2,6-i-Pr2-C6H3), leads to the formation of a novel double-bicapped hexanuclear monoorganooxotin cage, [(PhSn)6(μ-OH)2(μ3-O)2(μ-OEt)4{(ArO)PO3}4]. This reaction proceeds by a de-arylation reaction involving the cleavage of Sn−C bonds.

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Cited by 27 publications
(13 citation statements)
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“…Thus, previous work involving the reaction of t- BuP­(O)­(OH) 2 with benzyl tin derivatives, (PhCH 2 ) 2 SnCl 2 , (PhCH 2 ) 2 SnO·H 2 O, and (PhCH 2 ) 3 SnCl revealed the formation of tetranuclear ensembles such as [(PhCH 2 ) 2 Sn 2 O­(O 2 P­(OH)- t- Bu) 4 ] 2 (Figure a) . On the other hand, the reactions of bis­(triphenyl)tin oxide with 2,6-diisopropylphenylphosphate, (ArO)­PO 3 H 2 (Ar = 2,6- i- Pr 2 -C 6 H 3 ), afforded a double-bicapped hexanuclear monoorganooxotin cage (Figure b) . Simultaneously, we have been interested in designing and assembling more sterically hindered phosphate ligands.…”
Section: Introductionmentioning
confidence: 88%
“…Thus, previous work involving the reaction of t- BuP­(O)­(OH) 2 with benzyl tin derivatives, (PhCH 2 ) 2 SnCl 2 , (PhCH 2 ) 2 SnO·H 2 O, and (PhCH 2 ) 3 SnCl revealed the formation of tetranuclear ensembles such as [(PhCH 2 ) 2 Sn 2 O­(O 2 P­(OH)- t- Bu) 4 ] 2 (Figure a) . On the other hand, the reactions of bis­(triphenyl)tin oxide with 2,6-diisopropylphenylphosphate, (ArO)­PO 3 H 2 (Ar = 2,6- i- Pr 2 -C 6 H 3 ), afforded a double-bicapped hexanuclear monoorganooxotin cage (Figure b) . Simultaneously, we have been interested in designing and assembling more sterically hindered phosphate ligands.…”
Section: Introductionmentioning
confidence: 88%
“…20 The other double-bicapped hexatin compound known previously was prepared in a reaction between phosphate and (Ph 3 Sn) 2 O involving dearylation. 15 The reaction of phosphinic acids [cyc-P(O)OH•2H 2 O] and Ph 2 P(O)OH with RSnCl 3 under similar conditions, as above, afforded 4-5 (Scheme 1). These products possess similar structures to those isolated earlier involving the reaction of [nBuSn(O)OH] n and Ph 2 P(O)OH.…”
Section: Synthesismentioning
confidence: 95%
“…In continuation of the exploration of new structural types in the hexanuclear family of organostannoxanes we have been recently focusing on the reaction of organotin substrates with phosphorus-based acids. In reactions involving aryl phosphate we were able to isolate a new family of double-bicapped hexameric cages 15 In these cages, the substituent on tin is a phenyl group in contrast to n-butyl which is found in most other hexameric cages. In view of this substituent-directed reactivity we wished to use RSnCl 3 (R = 2-( phenylazo)phenyl) which contains an intramolecular N→Sn coordination.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, organotin (IV) precursors have the ability to form stable bonds with oxygen atoms, sulfur atoms as well as nitrogen atoms, which offer more choices to modify the structure and physicochemical properties of organotin compounds . In view of the above advantages, numerous organotin compounds have been synthesized and shown diverse structures including ladder, drum, cube, O‐capped cluster, butterfly cluster, extended cage, crown cluster and football cage . At the same time, the application of organotin compounds in catalytic chemistry, functional material, organic synthesis and biological activity have drawn growing interests .…”
Section: Introductionmentioning
confidence: 99%