CAS: 624-91-9; Methyl Nitrite

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📜硝酸甲酯 以0.6%的收率获得产物亚硝酸甲酯
参考文献:硝酸甲酯在分子束中的光解离
标题:硝酸甲酯在分子束中的光解离
摘要:The Photodissociation Of Methyl Nitrate,Ch3Ono2,Has Been Investigated By Photofragment Translational Spectroscopy. At The Photolysis Wavelength Of 193 Nm The Predominant Primary Decay (Approximately 70%) Involves The Fission Of The Weak Ch3O-No2 Bond (D0I Approximately 41 Kcal/mol) To Yield Ch3O + No2 Fragment Pairs Which Show A Bimodal Translational Energy Distribution. The Component Consisting Of The Fast Fragment Pairs Has An Average Translational Energy [e(T)] = 41 Kcal/mol And A Recoil Anistropy Beta = 0.9,While The Slow Component Is Characterized By [e(T)] = 19 Kcal/mol And Beta = 0. A Significant Portion Of The No2 Fragments Of The Slow Component Is Subject To A Unimolecular Decay To No + O(3P). An Additional Primary Decay Route Leads To The Formation Of Methyl Nitrite,Ch3Ono,And Atomic Oxygen O(1D) With [e(T)] = 6 Kcal/mol And Beta = 1.2. This Competing Reaction Requires Fission Of The Strong N-O Bond (D0Ii Approximately 118 Kcal/mol) And Its occurrence Indicates An Initial Localization Of The Photoexcitation On The No2 Moiety In The Parent Molecule. At Higher Laser Fluence Secondary Photodissociation Of The Primary Fragments Ch3Ono Was Observed. Photolysis At 248 Nm Is Shown To Produce Ch3O + No2 Fragment Pairs Exclusively,With [e(T)] = 17 Kcal/mol.
DOI:10.1021/j100144A002

专利信息

专利号:US-8445713-B2
优先权日:2007-10-22
标 题 :Catalyst for the synthesis of organic carbonates, process for preparing the same and application thereof
发明人：WERSHOFEN STEFAN; KLEIN STEPHAN; ZHOU ZHIPING; WANG XINKUI; WANG JUNWEI; KANG MAOQING
权利人:WERSHOFEN STEFAN; KLEIN STEPHAN; ZHOU ZHIPING; WANG XINKUI; WANG JUNWEI; KANG MAOQING; BAYER MATERIALSCIENCE AG
摘要:The present invention relates to a catalyst for the synthesis of organic carbonates, the preparation of the catalyst and the application of this catalyst in the synthesis of organic carbonates from reacting urea and hydroxyl group containing compounds. The catalyst provided in this invention is a calcinate of hydrous salt containing rare earth element at a moderate calcining temperature.

专利号:US-2023339906-A1
优先权日:2020-09-26
标 题 :A process for the synthesis of anthranilic acid/amide compounds and intermediates thereof
发明人：SYTHANA SURESH KUMAR; NAGLE PRAMOD; KUMAR VIJAY KUMAR; KANAWADE SHRIKANT BHAUSAHEB; CHANDRE TUKARAM NIVRUTTI; THUBE VINAYAK KISAN; PATIL PRADEEP PRAKASH; SHUKLA SHALINI; SHENDE KANTILAL BALU; PATRA PRANAB KUMAR; KLAUSENER ALEXANDER G M
权利人:PI INDUSTRIES LTD; PI INDUSTRIES LTD
摘要:The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof,wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).

专利号:US-2008249327-A1
优先权日:2005-01-24
标题 :Catalyst for the Synthesis of Dimethyl Carbonate in the Gas Phase
发明人：ECKELT REINHARD; FAIT MARTIN J G; FRICKE ROLF; RICHTER MANFRED
权利人:ECKELT REINHARD; FAIT MARTIN J G; FRICKE ROLF; RICHTER MANFRED
摘要:The invention relates to an improved catalyst for the synthesis of dimethyl carbonate by reacting methanol, carbon monoxide and oxygen in the gas phase and to the use thereof. The catalyst consists of a copper-containing zeolite produced by admixing one or more halide-free copper(II) compounds to a zeolite in a liquid medium, drying the zeolite modified by the admixture, and tempering at 400-900° C. under inert conditions, essentially retaining the crystallinity of the zeolite, said admixing being effected by means of a method selected from the group consisting of impregnation of the zeolite, ion exchange, precipitation of copper(II) hydroxide in the presence of the zeolite, and a combination of these methods. The catalyst shows high space-time yields, is constant over the period of operation and has no corrosive action.

专利号:US-4219489-A
优先权日:1978-09-05
标题:Synthesis of steroids
发明人：BUNES LEONARD A; JOHNSON WILLIAM S
权利人:STANFORD LELAND JUNIOR UNIV TR
摘要:Method and compounds are provided for use in the synthesis of steroids wherein a polyolefin is provided having an initiating group having a chalcogen atom in juxtaposition to a double bond, so as to be capable of bond formation to close to form a ring and having a terminating group involving pi unsaturation (a double or triple bond) conjugated to an aromatic ring. Upon acid catalysis, sigma bonds are formed through the interaction of a carbocation formed at the carbon atom bonded to the chalcogen atom and the double bond intermediate the initiating group and the terminating group, which close to form rings of a steroid nucleus, the carbocation interacting with the pi unsaturation conjugated with the aromatic group and being captured by a nucleophile present in the acidic reaction medium. The resulting steroid product may then be modified in known ways to produce known steroids.

专利号:US-4045422-A
优先权日:1974-04-15
标题 :Synthesis of α-nitrosoketal dimers
发明人：ROGIC MILORAD M; SWERDLOFF MICHAEL D; DEMMIN TIMOTHY R
权利人:ALLIED CHEM
摘要:Ketals of α-oximinoketones and methods for the preparation of these compounds including intermediates are described. The compounds disclosed include both α-oximinoketals and cyclic ketals of α-oximinoketones. Also disclosed is a class of α-nitrosoketal dimers produced during the synthesis of the corresponding α-oximinoketals and the method for their preparation.

专利号:WO-2015132801-A1
优先权日:2014-03-03
标 题 :Process for the synthesis of dimethylcarbonate
发明人：RANADE VIVEK VINAYAK; KELKAR ASHUTOSH ANANT; RANE VILAS HARI; KINAGE ANIL KISAN; SHINGOTE SAVITA KIRAN; ROY LALITA SANJIB
权利人:COUNCIL SCIENT IND RES
摘要:The present invention discloses a process for the synthesis of dimethyl carbonate (DMC) and further methyl-N-methyl carbamate (MNMC) starting from urea or methyl carbamate using salts such as nitrate or triflate salts of rare earth elements, transition metals, alkaline earth and alkali metals as catalysts.