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Radical of a ring

Synthesis of degradable poly(vinyl alcohol) by radical ring opening copolymerization and ice recrystallization inhibition activity

Synthesis of degradable poly(vinyl alcohol) by radical ring opening copolymerization and ice recrystallization inhibition activity

... It is essential to con fi rm the presence of the esters in the main chain of the polymers, and hence the degradability. SEC analysis of PVA is challenging as a consequence of strong column interactions and tailing. ...

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Radical ring opening reactions of cyclopropylcarbinyl systems

Radical ring opening reactions of cyclopropylcarbinyl systems

... the radical centre while substitution on the ring is kept ...secondary radical is again evident (scheme ...the radical centre lowers the energy of the SOMO and thus, the m ajor interaction is ...

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Original Article Is the signet ring cell histological type a positive prognostic factor for gastric adenocarcinoma after D2 radical gastrectomy?

Original Article Is the signet ring cell histological type a positive prognostic factor for gastric adenocarcinoma after D2 radical gastrectomy?

... signet ring cell (SRC) histological type of gastric adenocarcinoma is associated with worse prognosis than pure gastric adenocarcinoma without any mixed histologi- cal component (PGA) for patients underwent D2 ...

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Quantification of peroxynitric acid and peroxyacyl nitrates using an ethane-based thermal dissociation peroxy radical chemical amplification cavity ring-down spectrometer

Quantification of peroxynitric acid and peroxyacyl nitrates using an ethane-based thermal dissociation peroxy radical chemical amplification cavity ring-down spectrometer

... Peroxy radical chemical amplification of peroxyacetic and peroxypropionic nitric anhydride (PAN and PPN) delivered via a megabore GC ...cavity ring-down spectroscopy in the ambient temper- ature (NO 2 ; ...

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Type conditions of stable range for identification of qualitative generalized classes of rings

Type conditions of stable range for identification of qualitative generalized classes of rings

... Throughout, all rings are assumed to be associative with unit and 1 6= 0. The set of nonzero divisors (also called regular elements) of R is denoted by R (R), the set of units by U (R) and the set of idempotents by B ...

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Ring Opening Metathesis of Bulky Norbornene Monomers and the Radical Mediated Hydrophosphonation of Olefins

Ring Opening Metathesis of Bulky Norbornene Monomers and the Radical Mediated Hydrophosphonation of Olefins

... One of the most ubiquitous polymerization reactions is ring-opening metathesis polymerization (ROMP), owing to its operational simplicity and high functional group tolerance. ROMP is not well known for the ...

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Synthesis and Free Radical Decarbonylation of Some Small-Ring Aldehydes

Synthesis and Free Radical Decarbonylation of Some Small-Ring Aldehydes

... out in chlorobenzene and in diphenyl ether. necarbonylation of a Mixture of Cyclopropylacetaldehyde and bovaleraldehydo. The reaction flask wa. The reactiOll was .topped[r] ...

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Functional degradable polymers by radical ring opening copolymerization of MDO and vinyl bromobutanoate : synthesis, degradability and post polymerization modification

Functional degradable polymers by radical ring opening copolymerization of MDO and vinyl bromobutanoate : synthesis, degradability and post polymerization modification

... MDO radical and the subsequent chain transfer to VClAc monomer detrimentally a ff ected the ...toward radical abstraction would present an analogous functional monomer that could be polymerized using RDRP ...

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Synthesis, Characterization and Antioxidant Study of Some Pyrazolines Derivatives

Synthesis, Characterization and Antioxidant Study of Some Pyrazolines Derivatives

... All the synthesized compounds were evaluated for the DPPH radical scavenging activity and the results were presented in the Table 1 and Figure 2. The results show that almost all compounds have good DPPH ...

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The production, purification and catalytic utility of lignin  peroxidase from "sporotrichum pulverulentum"

The production, purification and catalytic utility of lignin peroxidase from "sporotrichum pulverulentum"

... ring-cleavage products and chloro-substituted for These latter the existence of products evidence provided benzyl for LiP-derived of range a aryl radical cations is consistent the alcoho[r] ...

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Chemoenzymatic approaches to montanine alkaloids : total synthesis of (+)-brunsvigine

Chemoenzymatic approaches to montanine alkaloids : total synthesis of (+)-brunsvigine

... novel radical cyclization ...5-exo-trig radical cyclization/halogen atom elimination reaction to complete the D-ring annulation, and thus constructing the framework required for the pivotal ...

295

History of the conferences on Radical Theory

History of the conferences on Radical Theory

... new radical, and if they recognized that, they would immediately see a wider context of their ...a ring R and the polynomial ring R [ x ...in radical theory, and answering them may contribute ...

10

Radical reaction control in the AdoMet radical enzyme CDG Synthase (QueE): consolidate, destabilize, accelerate

Radical reaction control in the AdoMet radical enzyme CDG Synthase (QueE): consolidate, destabilize, accelerate

... stable radical substrate closer to the conformation of the transition state, in turn leading to a significant barrier lowering ...tive radical reaction, in which side reactions need to be mini- ...the ...

10

Synthesis of P4VP b PBLG Diblock Copolymers and Their Self Assembly Behavior

Synthesis of P4VP b PBLG Diblock Copolymers and Their Self Assembly Behavior

... transfer radical polymeri- zation (ATRP) with a chlorine-containing alkyne bifunctional initiator, and the azido-terminated PBLG homopolymers were synthesized by ring-opening polymerization (ROP) of γ ...

9

There isn’t much duality in radical theory

There isn’t much duality in radical theory

... As being an ideal is not transitive, unlike being a homomorphic image, one might replace “ideal” by “accessible subring”, or just possibly “sub- ring”. We shall consider these variations in the course of our ...

8

A variant of the primitive element theorem for separable extensions of a commutative ring

A variant of the primitive element theorem for separable extensions of a commutative ring

... commutative ring 𝑅 can be embedded into another one having primitive element whenever every boolean lo- calization of 𝑅 modulo its Jacobson radical is von Neumann regular and locally ...

8

On radical square zero rings

On radical square zero rings

... a radical square zero ring and S, T are simple R-modules then P T = QS if and only if there is an arrow α : T → S with l(α) = 1 and this is the only arrow starting at T and the only arrow ending in ...

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Managing expectations: assessment of chemistry databases generated by automated extraction of chemical structures from patents

Managing expectations: assessment of chemistry databases generated by automated extraction of chemical structures from patents

... Considering that in SureChEMBL chemical entities are automatically extracted from patent documents (regardless of whether they are claimed compounds, reagents, synthetic intermediates etc.), it might not be surprising ...

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A radical for right near rings: The right Jacobson radical of
type 0

A radical for right near rings: The right Jacobson radical of type 0

... has a left identity as the intersection of a finite number of maximal right modular right ideals of R is zero. Since R is a simple near-ring with left identity, it has an identity. Also, since by our assumption ...

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Methyl 2 benzyl 1 benz­yl­oxy 6a methyl 1,2,3,3a,4,6a hexa­hydro­cyclo­penta[b]pyrrole 3a carboxyl­ate: hydrogen bonded R44(24) sheets

Methyl 2 benzyl 1 benz­yl­oxy 6a methyl 1,2,3,3a,4,6a hexa­hydro­cyclo­penta[b]pyrrole 3a carboxyl­ate: hydrogen bonded R44(24) sheets

... agents. Radical cyclizations have emerged as a useful synthetic tool and have been reported in the synthesis of alkaloids and related pyrrolidinic compounds via generation and trapping of nitrogen-centered ...

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