CAS: 4525-33-1; Dimethyl Dicarbonate

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CAS号79-22-1 氯甲酸甲酯 | CAS号3609-53-8 对乙酰基苯甲酸乙酯 | CAS号59936-29-7 (S)-1-叔-丁基-2-甲基... | CAS号4630-82-4 环己甲酸甲酯 | CAS号103-25-3 3-苯丙酸甲酯 | CAS号624-45-3 乙酰丙酸甲酯 | CAS号124-38-9 二氧化碳 | CAS号616-38-6 碳酸二甲酯 | CAS号99-76-3 尼泊金甲酯

氯甲酸甲酯置于三月桂胺 Sodium Hydroxide体系中,用 水,甲苯 作为反应溶剂,化学反应 1.17H,以85%的收率获得产物二甲基二碳酸盐
参考文献:Process For Preparing Dialkyl Dicarbonates
标题:Process For Preparing Dialkyl Dicarbonates
摘要:通过将相应的烷基卤代甲酸酯与碱金属氢氧化物,碱土金属氢氧化物和/或碳酸盐在不溶于水的有机溶剂存在下反应,并在催化剂存在下制备二烷基二碳酸酯的新型方法,其特点在于所使用的催化剂至少是一种具有以下结构的三级烷基胺(I)Nr1R2R3(I),其中取代基如描述中所定义.

专利信息

专利号:US-2012190064-A1
优先权日:2004-10-01
标题 :Feeding buffers, systems, and methods for in vitro synthesis of biomolecules
发明人：KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA
权利人:KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA; LIFE TECHNOLOGIES CORP
摘要:Compositions, methods and kits for in vitro systems for synthesis of biomolecules such as polypeptides, are provided herein. Cell extracts that provide enhanced yields of soluble proteins using in vitro protein synthesis methods are provided. The invention also includes methods for producing high yields of proteins by the addition of a feeding solution that includes amino acids and an energy source to an ongoing in vitro synthesis system. The invention also includes methods of using a high-yield in vitro synthesis system to produce large quantities of proteins with incorporated labeled amino acids for analysis by methods such as by NMR. The invention further includes vectors for enhanced production of proteins from nucleic acid templates using in vitro synthesis systems.

专利号:US-2004242897-A1
优先权日:2002-07-31
标题 :Universal support media for synthesis of oligomeric compounds
发明人：GUZAEV ANDREI P; MANOHARAN MUTHIAH
摘要:Compounds for the synthesis of oligomeric compounds, particularly oligonucleotides and oligonucleotide mimetics, are provided. In addition, methods for functionalizing a support medium with a first monomeric subunit and methods for the synthesis of oligomeric compounds utilizing the novel compounds bound to support media are provided.

专利号:US-6069250-A
优先权日:1995-12-14
标 题 :Method and compositions for the synthesis of dioxolane nucleosides with β-configuration
发明人：MANSOUR TAREK; CIMPOIA ALEX; BEDNARSKI KRZYSZTOF
权利人:IAF BIOCHEM INT
摘要:The present invention relates to methods and compositions for preparing biologically important nucleoside analogues containing 1,3-dioxolane sugar rings. In particular, this invention relates to the stereoselective synthesis of the beta (cis) isomer by glycosylating the base with an intermediate of formula (II) below a temperature of about -10 DEG C. wherein R1 and L are as defined herein.

专利号:US-12018313-B2
优先权日:2016-12-28
标题:Methods, apparatuses, and systems for microorganism strain analysis of complex heterogeneous communities with tracer analytics, determination of functional relationships and interactions thereof, and synthesis of microbial ensembles
发明人：EMBREE MALLORY
权利人:NATIVE MICROBIALS INC
摘要:Methods, apparatuses, and systems for microorganism strain analysis of complex heterogeneous communities with tracer analytics, determination of functional relationships and interactions thereof, and synthesis of microbial ensembles, including dosed microbial ensembles and inoculative microbial ensembles, are disclosed.

专利号:US-5126452-A
优先权日:1990-04-06
标 题 :Synthesis of purine substituted cyclopentene derivatives
发明人：VINCE ROBERT; PETERSON MARK L; LACKEY JOHN W; MOOK JR ROBERT A; PARTRIDGE JOHN J
权利人:GLAXO INC
摘要:This invention relates to new process for preparing certain optically active purine substituted cyclopentene derivatives and novel intermediates used in this process. In particular, the invention concerns the synthesis of the 1R-cis isomer of carbovir, (1R-cis)-amino-1,9-dihydro-9-[4-(hydroxymethyl)-2-cyclopenten-1-yl]-6H-purin-6-one, an antiviral agent, and certain intermediates.

专利号:US-5057630-A
优先权日:1990-04-06
标 题 :Synthesis of cyclopentene derivatives
发明人：LACKEY JOHN W; MOOK JR ROBERT A; PARTRIDGE JOHN J
权利人:GLAXO INC
摘要:This invention relates to a new process for preparing certain optically active purine substituted cyclopentene derivatives including the antiviral agent, carbovir, and novel intermediates used in this process. In particular, this invention concerns a synthesis of (1R-cis)-4-hydroxymethyl-2-cyclopenten-1-ol, an intermediate in this process.