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860411-74-1 29681-43-4 16744-81-3欧盟法规
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CAS号6890-60-4 2-甲基-4-甲氧基吡啶-N-物 | CAS号16665-37-5 4-甲氧基-吡啶-2-乙酸甲酯 | CAS号29681-43-4 4-甲氧基吡啶甲酸甲酯 | CAS号1122-96-9 4-甲氧基吡啶-N-氧化物 | CAS号420-37-1 三甲基氧鎓四氟硼酸 | CAS号931-19-1 2-甲基吡啶-N-氧化物 | CAS号5470-66-6 2-甲基-4-硝基氧化吡啶 | CAS号98197-88-7 2-(羟甲基)-4-硝基吡啶 | CAS号124-41-4 甲醇钠 | CAS号87838-47-9 5-methoxy-[1,2,... | CAS号99651-28-2 2-氯甲基-4-甲氧基-吡啶 | CAS号16744-81-3 4-甲氧基吡啶-2-醛 | CAS号97963-96-7 2-[(4-methoxypy... | CAS号62734-08-1 2-(氯甲基)-4-甲氧基吡啶盐酸盐📜4-甲氧基吡啶-2-醛置于甲酸,C20H29Clirn4(1+)*cl(1-)体系中,用 水 用作溶剂,化学反应 0.25H,以95%的收率获得(4-甲氧基吡啶-2-基)甲醇
参考文献:以甲酸为氢源的铱催化高效化学选择性还原水中的醛
标题:以甲酸为氢源的铱催化高效化学选择性还原水中的醛
摘要:开发了一种水溶性高效铱催化剂,用于将水中的醛化学选择性还原为醇.还原使用甲酸作为无痕还原剂,并使用水作用作溶剂.它可以在空气中进行,而无需惰性气体保护.可以通过简单的萃取来纯化产物,而无需任何柱色谱法.催化剂负载量可以低至0.005Mol%,并且转换频率(tof)高至73800Mol Mol-1 H-1.各种各样的官能团,例如富电子或不足的(杂)芳烃和烯烃,烷氧基,卤素,酚,酮,酯,羧酸,氰基和硝基,都具有非常好的耐受性,这表明其具有出色的化学选择性.
Doi:10.1039/c7Gc01289F
海关参考信息
- 2905110000-甲醇
2933310010-吡啶
2909199090-其他醚及其衍生物
2939800000-其他生物碱 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
专利信息
专利号:WO-2006066260-A9
优先权日:2004-12-17
标题 :Compositions of and methods for producing phosphorus-chiral monomers and oligomers
发明人:SZABO TOMAS; STAWINSKI JACEK
权利人:THIOSENSE INC; SZABO TOMAS; STAWINSKI JACEK
摘要:Described herein are phosphorus-containing monomers and oligomers and methods for making such monomers and oligomers. Each subunit of the oligomers may be the same or different. Furthermore, the phosphorus atom in the monomers and at least two of the phosphorus atoms in the oligomers are chiral, that is, attached to four different chemical groups in a desired configuration. The methods described herein, which use an intramolecular catalyst, permit the synthesis of oligomers in which each chiral phosphorus center is in a desired stereochemical configuration.
专利号:US-5521179-A
优先权日:1991-04-18
标题 :Heterocyclic amides
发明人:BERNSTEIN PETER R; SHAW ANDREW; THOMAS ROYSTON M; WARNER PETER; WOLANIN DONALD J
权利人:ZENECA LTD
摘要:The present invention relates to certain novel heterocyclic amides which are 1-pyridylacetamide compounds of formula I, set out herein, which are inhibitors of human leukocyte elastase (HLE), also known as human neutrophil elastase (HNE), making them useful whenever such inhibition is desired, such as for research tools in pharmacological, diagnostic and related studies and in the treatment of diseases in mammals in which HLE is implicated. The invention also includes intermediates useful in the synthesis of these heterocyclic amides, processes for preparing the heterocyclic amides, pharmaceutical compositions containing such heterocyclic amides and methods for their use.
专利号:US-5998451-A
优先权日:1987-10-19
标 题 :Substituted tetralins, chromans and related compounds in the treatment and related compounds in the treatment of asthma, arthritis and related diseases
发明人:EGGLER JAMES F; MARFAT ANTHONY; MELVIN JR LAWRENCE S
权利人:PFIZER
摘要:Substituted tetralins, chromans and related compounds which, by inhibiting 5-lipoxygenase enzyme and/or blocking leukotriene receptors, are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers, myocardial infarction and related disease states in mammals, pharmaceutical compositions thereof, a method of treatment therewith, and to intermediates useful in the synthesis thereof.