676-83-5Relevant articles and documents
Methylation of Some Cyclic Triphosphenium Ions
Dillon, Keith B.,Olivey, Richard J.
, p. 150 - 154 (2004)
Six cyclic triphosphenium ions, including examples of five-, six-, and seven-membered ring systems, have been successfully methylated by excess methyl triflate to form the corresponding di-cations. This has been unequivocally established by means of
Ulmer et al.
, p. 82 (1961)
Mass spectral study of the CWC-related S-alkyl methylphosphonochloridothioites/S,S′-dialkyl (alkyl′)methylphosphonodithioites under gas chromatography-mass spectrometry conditions
Saeidian, Hamid,Mirkhani, Valiollah,Faraz, Sajjad Mousavi,Sarabadani, Mansour,Naseri, Mohammad Taghi,Ashrafi, Davood,Mirjafary, Zohreh,Babri, Mehran
, p. 13 - 21 (2016)
A class of S-alkyl methylphosphonochloridothioites 3 (11 compounds), S,S′-dialkyl methylphosphonodithioites 4 (12 compounds) and S-alkyl S′-alkyl′ methylphosphonodithioites 5 (9 compounds) were synthesized and were analyzed using gas chromatography-electron ionization mass spectrometer (GC-EIMS). Generalized fragmentation pathways under experimental condition for synthesized compounds are proposed based on analysis of fragment ions of deuterated analogs and density functional theory (DFT) calculations. Results of the study were undertaken with a view to enrich the Organization for the Prohibition of Chemical Weapons (OPCW) Central Analytical Database (OCAD), which may be used for detection and identification of Chemical Weapons Convention (CWC)-related chemicals during on-site inspection and/or off-site analysis, such as OPCW proficiency tests.
Method for synthesizing methyl phosphorus dichloride based on carbon microsphere loaded iron-nickel-cerium catalyst
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Paragraph 0014; 0016-0018; 0020-0022; 0024-0027, (2021/10/16)
The invention discloses a method for synthesizing methyl phosphorus dichloride based on a carbon microsphere loaded iron-nickel-cerium catalyst. The method comprises the following steps: preparing impregnation liquid, preparing the carbon microsphere loaded iron-nickel-cerium catalyst and synthesizing the methyl phosphorus dichloride. According to the synthesis method, a carbon microsphere loaded iron-nickel-cerium catalyst is adopted, the loading amount of three elements of iron, nickel and cerium accounts for 0.2-1% of the total mass of a carbon microsphere carrier, and the molar ratio of iron-nickel-cerium atoms loaded into carbon microspheres is (49-62): (29-48): (3-9). According to the method, the reaction temperature is low, the temperature is 300-400 DEG C, the conversion rate of phosphorus trichloride is 20.4-30.1%, the yield of methyl phosphorus dichloride is 94.6-97.5%, the catalyst is solid, non-toxic and easy to separate from a reaction system, the service life is 2800-3400 hours, and 3.6-6.5 kg of methyl phosphorus dichloride can be produced by per gram of the carbon microsphere loaded iron-nickel-cerium catalyst.
Method for preparing dichloro monoalkyl phosphine
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Paragraph 0060-0062, (2017/08/29)
The invention discloses a method for preparing dichloro monoalkyl phosphine. When sodium chloride is used for decomplexing reaction of a binary complex of dichloro monoalkyl aluminum or alkyl aluminum sesquichloride and phosphorus trichloride, alkane solvents are added, the dissociated dichloro monoalkyl phosphine enters the alkane solvents, alkane solution of the dichloro monoalkyl phosphine and newly-generated NaAlCl4 solids are filtered and separated, mixture of the product dichloro monoalkyl phosphine and the alkane solvents can be distilled and separated and can also directly enter a next application process without separation, decomposition of traditional dichloro monoalkyl phosphine in high-temperature distillation is avoided, yield is improved, and waste residues are reduced.
