CCCVIII.—The formation of phosphinic acids from triarylmethoxyphosphorus dichlorides

Boyd, David Runciman; Smith, Frederick James

doi:10.1039/jr9262902323

Cited by 5 publications

(2 citation statements)

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“…Thus dialkyl sulfates,16 alkyl p-toluenesulfonates,225 alkyl fluoroborates, and lactones also react with trialkyl phosphites in the usual manner to give 98. Nitro groups are usually reduced by tervalent phosphorus esters, but o-dinitrobenzene is known to react with diethyl methylphosphonite to give an o-nitrophenyl phosphinate (99). 232 Nitro olefins are also re-ported233 to react similarly with trialkyl phosphites in an Arbuzov manner, yielding 100.…”

Section: Behavior Of Sulfur and Fluorine Analogues Under Arbuzov Cond...mentioning

confidence: 99%

Michaelis-Arbuzov rearrangement

Bhattacharya¹,

Thyagarajan²

1981

Chem. Rev.

797

413

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Contents I. Introduction 415 II. Reaction Mechanism 416 III. Scope and Limitation of the Reaction 417 A. Alkyl Halides 418 B. Tricoordinate Phosphorus Reactant 420 C. Effectiveness of Catalysts 421 IV. Synthetic Applications 421 A. Synthesis of Phosphonates 421 B. Synthesis of Phosphinates 422 C. Synthesis of Tertiary Phosphine Oxides 423 D. Synthesis of Phosphonyl and Phosphinyl Halides 424 E. Other Synthetic Applications 424 V. Behaviour of Sulfur and Fluorine Analogues under Arbuzov Conditions 425

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Section: Behavior Of Sulfur and Fluorine Analogues Under Arbuzov Cond...mentioning

confidence: 99%

Michaelis-Arbuzov rearrangement

Bhattacharya¹,

Thyagarajan²

1981

Chem. Rev.

797

413

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“…[3] This result shows the detection of only a few tens to hundreds of femtograms of 1,3,5-trinitroperhydro-1,3,5triazine (RDX) molecules having the absorption resonance near 0.8 THz attributed to molecular conformations or a weak hydrogen bond between two RDX molecules. [74,75] The extreme small amount of molecular detection results from the strongly enhanced absorption coefficient and cross-section enabled by an asymmetric EM environment in the near-field of the nanoslot antenna (Figure 3a, right). It should be noted that the molecular crosssection can be enhanced by over 1,000 accompanied by a colossal absorption coefficient of about 170 000 cm À1 .…”

Section: Thz Resonator-based Nanosensingmentioning

confidence: 99%

Recent Developments in Terahertz Nanosensors

Bahk,

Kim,

Ahn

et al. 2023

Advanced Photonics Research

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Terahertz (THz) waves occupy the electromagnetic spectrum between microwave and infrared radiation, with frequencies typically ranging from 0.1 to 10 THz. Compared with other optic and electronic tools, this frequency range allows for unique sensing applications such as nondestructive, label‐free, and fast detection. Despite the promising features of THz sensing applications, the dimensional mismatch between THz wavelength and nanoscale agents hinders practical applications, especially in biosensing and chemical sensing. Several recent studies propose that engineered THz resonators, such as split ring resonators, linear dipole and slot antennas, and nanogap loop antennas, enhance the sensitivity for detecting trace amounts of target molecules, such as viruses and explosives. When combined with near‐field imaging techniques in the THz range, these THz nanosensors may revolutionize our understanding of complex nanoscale systems, including 2D materials, as researchers can observe quantum dynamics directly in molecules, mobile carriers in semiconductors, THz quantum nonlocal effects, and dynamics of excitons and polaritons at THz frequencies. Additionally, THz biomolecular sensors are also discussed, where the sensor platforms will lead to a great impact in the advancement of ultrasmall‐quantity characterization of proteins, label‐free diagnosis of Alzheimer's disease, and conformational dynamics of biomolecules in their aqueous environment.

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The Synthesis of Phosphonic and Phosphinic Acids

Kosolapoff¹

2011

Organic Reactions

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The phosphonic acids and the phosphinic acids may be regarded as derivatives of phosphoric acid in which one or two hydroxyls are replaced by organic radicals. Although individual phosphonic and phosphinic acids have been known for several decades, the syntheses of these two classes of compounds have not been well developed. This chapter is concerned only with the introduction of phosphorus‐containing functions, i.e, the synthesis of acids or their functional derivatives, which can be isolated and hydrolyzed to the acids.

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CCCVIII.—The formation of phosphinic acids from triarylmethoxyphosphorus dichlorides

Cited by 5 publications

References 0 publications

Michaelis-Arbuzov rearrangement

Michaelis-Arbuzov rearrangement

Recent Developments in Terahertz Nanosensors

The Synthesis of Phosphonic and Phosphinic Acids

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