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Organophosphorus compound with pentavalent phosphorus having P=N bonds
Phosphazenes refer to various classes of organophosphorus compounds featuring phosphorus(V) with a double bond between P and N. One class of phosphazenes
Phosphazene
Class of inorganic polymers
architectures are cyclolinear and cyclomatrix polymers in which small phosphazene rings are connected together by organic chain units. Other architectures
Polyphosphazene
Chemical compound
and x = 3) has been developed by Reinhard Schwesinger; the resulting phosphazene bases are therefore also referred to as Schwesinger superbases. The convergent
P4-t-Bu
alkylamines, such as methylamine imidazole benzimidazole histidine guanidine phosphazene bases hydroxides of quaternary ammonium cations or some other organic
Organic_base
Extremely strong base
sponge. Common superbases of this variety feature amidine, guanidine, and phosphazene functional groups. Strong superbases can be designed by utilizing various
Superbase
Sterically hindered organic base
DBU 2,6-Di-tert-butylpyridine, a weak non-nucleophilic base pKa = 3.58 Phosphazene bases, such as t-Bu-P4 Non-nucleophilic bases of high strength are usually
Non-nucleophilic_base
proposed the use of phosphazene bases to speed up the reaction and lower the polydispersity index. Up until 2023, three different phosphazene bases have been
Poly(phthalaldehyde)
Lithium-ion battery using a polymer electrolyte
carbonate) (PTMC), polypropylene oxide (PPO), poly[bis(methoxy-ethoxy-ethoxy)phosphazene] (MEEP), etc. PEO exhibits the most promising performance as a solid
Lithium_polymer_battery
phosphinimines, λ5-phosphazenes, acyclic phosphazenes) are a class of organophosphorus compounds and an acyclic subclass of phosphazenes with the general
Iminophosphorane
Chemical compound
hypothetical compound N≡PCl2 (phosphazyl dichloride). Its classification as a phosphazene highlights its relationship to benzene. There is large academic interest
Hexachlorophosphazene
Chemical element with atomic number 15 (P)
exist mainly as rings such as the trimer hexachlorophosphazene. The phosphazenes arise by treatment of phosphorus pentachloride with ammonium chloride:
Phosphorus
Class of chemical compounds
four membered P2N2 ring systems and one of the major classes of cyclic phosphazene compounds. Bis(chloro)cyclodiphosphazanes, (cis-[ClP(μ-NR)]2) are important
Cyclodiphosphazane
Chemical compound
Basicity Scale in THF Solution Ranging from 2-Methoxypyridine to EtP1(pyrr) Phosphazene". J. Org. Chem. 67 (6): 1873–1881. doi:10.1021/jo016185p. PMID 11895405
1,1,3,3-Tetramethylguanidine
Chemical compound
weakly coordinating cation to isolate reactive anions. [(Ph3P)2N]+ is a phosphazene. [(Ph3P)2N]Cl is prepared in two steps from triphenylphosphine Ph3P:
Bis(triphenylphosphine)iminium chloride
Bis(triphenylphosphine)iminium_chloride
Class of chemical compounds
moisture sensitive. With water they convert to silanols or siloxanes. Phosphazene Paraformaldehyde Adamson, G. W.; Daly, J. J. (1970). "Crystal and Molecular
Silazane
Chemical compound
such as DBU or phosphazenes to give alkenyl nonaflates in high yields without formation of a discrete enolate. Use of the P2 phosphazene base at -30 to
Perfluorobutanesulfonyl fluoride
Perfluorobutanesulfonyl_fluoride
Chemical reaction in organic chemistry
the aldehyde is blocked by the camphor moiety. The reaction employs a phosphazene base to promote formation of the ylide. Catalytic reagents have been
Johnson–Corey–Chaykovsky reaction
Johnson–Corey–Chaykovsky_reaction
Chemistry rule of thumb
compounds silanimines, rare, easy oligomerization, observed only at low temp phosphazene (P=N) sulfilimines O Singlet oxygen silanones, Si=O bonds extremely reactive
Double_bond_rule
Chemical compound
hypothetical compound N≡PF2 (phosphazyl difluoride). Its classification as a phosphazene highlights its relationship to benzene. Hexafluorophosphazene has a hexagonal
Hexafluorophosphazene
Chemical compound
1002/1521-3765(20020118)8:2<509::AID-CHEM509>3.0.CO;2-D. PMID 11843163, the phosphazene base "P2F" is described in Link, Reinhard; Schwesinger, Reinhard (July
Dodecahedrane
Chemical compound
reactions with alkenes and alkynes, and reaction with phosphines to form phosphazenes. "The Exciting Chemistry of Tetraazidomethane", Klaus Banert, Young-Hyuk
Tetraazidomethane
Chemical compound
acids, the Verkade base catalyzes a variety of condensation reactions. Phosphazenes are phosphorus(V) derivatives with the formula RN=P(NR2)3. Verkade, John
Verkade_base
Chemical compound
T. (2009). Superbases for Organic Synthesis: Guanidines, Amidines, Phosphazenes and Related Organocatalysts. John Wiley & Sons. ISBN 9780470740866. Simoni
7-Methyl-1,5,7-triazabicyclo(4.4.0)dec-5-ene
7-Methyl-1,5,7-triazabicyclo(4.4.0)dec-5-ene
Chemical compound
(2007) [1989]. "Organosilicon Derivatives of Cyclic and High Polymeric Phosphazenes". Inorganic Syntheses. Vol. 25. pp. 60–68. doi:10.1002/9780470132562
(Trimethylsilyl)methyllithium
Chemical compound
diazabicycloundecene (DBU), 1,5,7-triazabicyclo(4.4.0)dec-5-en (TBD) and the phosphazene BEMP are able to catalyze the ring-opening polymerization of β-butyrolactone
Β-Butyrolactone
Chemical compound
"Tris(2,4,6-trimethoxyphenyl)phosphine – a Lewis base able to compete with phosphazene bases in catalysing oxa-Michael reactions". Catalysis Science & Technology
Tris(2,4,6-trimethoxyphenyl)phosphine
Tris(2,4,6-trimethoxyphenyl)phosphine
Chemical compound
Octachlorotetraphosphazene is an inorganic compound with the formula (NPCl2)4. The molecule has a cyclic, unsaturated backbone consisting of alternating
Octachlorotetraphosphazene
Cancer drug
Fotretamine (INNTooltip International Nonproprietary Name), also known as fotrin, is an alkylating antineoplastic and immunosuppressant. The drug entered
Fotretamine
Blood glucose measurement device
PHB, PVA, PNVP, P(HEMA),[clarification needed] p(biscarboxy-phenoxy-phosphazene), p(GEMA-sulfate), and others), or a hybrid of the two. In addition to
Fluorescent_glucose_biosensor
Indian chemist (born 1958)
375–. ISBN 978-1-78262-433-2. Mario Gleria; Roger De Jaeger (2004). Phosphazenes: A Worldwide Insight. Nova Publishers. pp. 827–. ISBN 978-1-59033-423-2
Vadapalli_Chandrasekhar
Polymer with refractive index > 1.50
environment. Phosphorus-containing groups, such as phosphonates and phosphazenes, often exhibit high molar refractivity and optical transmittance in the
High-refractive-index_polymer
Overview of and topical guide to organic chemistry
Organolithiums Organosilanes Organophosphate Compounds Polyphosphates Phosphazenes Iminophosphoranes Polyphosphazenes Phosphinates Phosphines Diphosphines
Outline_of_organic_chemistry
Class of chemical compounds
phosphorus compounds can also be oxidized by organic azide to yield phosphazenes. These sterically constrained phosphorus compounds show remarkable reactivity
Nontrigonal pnictogen compounds
Nontrigonal_pnictogen_compounds
Chemical compound
Handbook of Polymer Synthesis Mario Gleria, Roger De Jaeger (2004) Phosphazenes: A Worldwide InsightNova Publishers, 2004. 1047 pages. ISBN 1-59033-423-X
Poly(dichlorophosphazene)
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(Φθα) Greek form of Egyptian Ptah, PHTHA means "opener (of the mouth)."
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Parvati, The Lord of desires, She is the queen of transcendental lust
PHOSPHAZENE
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