NDLI: Cyclolinear polycarbosilanes – a recent addition to the class of organosilicon polymers

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Dalton Transactions Vol -46

Dalton Transactions Vol -39

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Dalton Transactions Vol - 39 Issue - 39

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Contents

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New horizon of organosilicon chemistry

Silylium ions in catalysis

Thorpe–Ingold effect in organosilicon chemistry

Cyclolinear polycarbosilanes – a recent addition to the class of organosilicon polymers

π-Conjugated disilenes stabilized by fused-ring bulky “Rind” groups

Organosilicon compounds meet subatomic physics: Muon spin resonance

Kinetic studies of reactions of organosilylenes: what have they taught us?

A two-and-a-half-layer sandwich: potassium salt of anionic (η⁴-tetrasilacyclobutadiene)(η⁵-cyclopentadienyl)ruthenium

Reactivities of chlorotrisylsilylenoid with ketones

Chiral cyclotrisiloxanes

Reactivity of an aryl-substituted silicon–silicon triple bond: 1,2-disilabenzenes from the reactions of a 1,2-diaryldisilyne with alkynes

Facile central-element exchange in neutral hexacoordinate germanium and silicon complexes; synthesis and characterization of germanium complexes

Formation of silicones mediated by the sponge enzyme silicatein-α

Synthesis and reactivity of rhodium and iridium alkene, alkyl and silyl complexes supported by a phenyl-substituted PNP pincer ligand

Phosphido-bridged Ta/Rh bimetallic complex: synthesis, structure, and catalytic hydrosilylation of acetophenone

The quest for silylhydroboranes: (Me₃Si)₃SiBH₂

Strained organosilacyclic compounds: synthesis of anti-Bredt olefins and trans-dioxasilacyclooctenes

Coordination of a SiO subunit to metals: complexes of donor-stabilized silanone featuring a terminal SiO→M coordination (M = Zn, Al)

Synthesis, characterisation and complexation of phosphino disilenes

Silaimidazolium and silaimidazolidinium ions

Theoretical investigations of the reactivities of lattice-framework carbene analogues of the group 14 elements

Effects of the silicon core structures on the hole mobility of star-shaped oligothiophenes

Luminescent platinum complexes containing phosphorus-linked silole ligands

Application of the sila-Friedel–Crafts reaction to the synthesis of π-extended silole derivatives and their properties

Theoretical study of the mechanisms of [3+2] cycloaddition reactions of trimetallaallenes [MMM] (M = C, Si, Ge, Sn, and Pb)

The mechanism and energetics of insertion reactions of silylenes

The gas-phase structure and some reactions of the bulky primary silane (Me₃Si)₃CSiH₃ and the solid-state structure of the bulky dialkyl disilane [(Me₃Si)₃CSiH₂]₂

Enzyme mediated silicon–oxygen bond formation; the use of Rhizopus oryzae lipase, lysozyme and phytase under mild conditions

Rapid assembly of explicit, functional silicones

Unsuccessful attempts to add alcohols to transient 2-amino-2-siloxy-silenes - leading to a new benign route for base-free alcohol protection

Synthesis of η²-cyclooctene iridium and rhodium complexes supported by a novel P,N-chelate ligand and their reactivity toward hydrosilanes: facile Cl migration from metal to silicon via silylene complex intermediates and formation of a base-stabilised silylene complex

Novel neutral hexacoordinate silicon(iv) complexes with two bidentate monoanionic benzamidinato ligands

Synthesis and structures of (dialkylsilylene)bis(phosphine)-nickel, palladium, and platinum complexes and (η⁶-arene)(dialkylsilylene)nickel complexes

Synthesis and properties of 5,10,15,20-tetrakis[4-(alkoxysilyl)phenyl]porphyrins: an application of selective deprotection of benzaldehyde diethyl acetals in the presence of alkoxysilyl groups

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Cyclolinear polycarbosilanes – a recent addition to the class of organosilicon polymers

Content Provider	Royal Society of Chemistry (RSC)
Author	Rathore, Jitendra S. Interrante, Leonard V.
Copyright Year	2010
Abstract	This article focuses on a relatively new group of organosilicon polymers known as cyclolinear polycarbosilanes (CLPCS). This group of polymers contains 1,3-disilacyclobutane (DSCB) rings, i.e., cyclo-{RSi(CH2)2SiR}–, bridged by various linking groups, so as to form linear chains with regularly spaced, strained, rings that function as latent sites for cross-linking. This ring-chain, or “beads-on-a-string”, type polymer has the general formula, [–{RSi(CH2)2SiR}–Y–]n, where R and Y can be a variety of different groups, such as: R = –CH3, –C6H5 and –C6H4(CH3); Y = –(CH2)x–, –C6H4–(CHCH)–C6H4–, and –C6H4–. Depending, in part, on the linking group, these CLPCS have been obtained by using two different synthesis methods, acyclic diene metathesis polymerization (ADMET) and Grignard coupling reactions. The resultant polymers exhibit a wide variation in physical properties, which depend on the nature of the silicon substituents, R, and the bridging group, Y. However, they also share some important characteristics, such as a relatively low glass transition temperature, amenability to the formation of thin films and coatings via spin-coating, and the tendency to undergo cross-linking on heating to 200–300 °C. The synthesis, characterization, and properties of these CLPCS are reviewed and their potential for application in such widely divergent areas as microelectronics processing (as low-k materials), protective, insulating coatings for Cu and other substrates, and photoluminescent films are described.
Starting Page	9193
Ending Page	9202
Page Count	10
File Format	HTM / HTML PDF
ISSN	14779226
Volume Number	39
Issue Number	39
Journal	Dalton Transactions
DOI	10.1039/c0dt00142b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cu Grignard However Organosilicon Polymer CHCH-DT Acyclic diene metathesis Polymerization Grignard reaction Glass transition Microelectronics Photoluminescence
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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Metal-containing Polymers Synthesized via Acyclic Diene Metathesis (ADMET) Polymerization Using Electrochemically-Reduced Tungsten-based Catalyst: Polycarbosilanes

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