CAS: 1195-44-4; 1-Chloro-4-(Methoxymethyl)Benzene

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CAS号873-76-7 4-氯苄醇 | CAS号74-88-4 碘甲烷 | CAS号16881-77-9 甲基二甲氧基硅烷 | CAS号104-88-1 对氯苯甲醛 | CAS号106-39-8 对氯溴苯 | CAS号27490-32-0 三丁基(甲氧基甲基)锡烷 | CAS号67-56-1 甲醇 | CAS号622-95-7 4-氯溴苄 | CAS号149-73-5 原甲酸三甲酯 | CAS号1445-45-0 原乙酸三甲酯 | CAS号3753-18-2 4,4'-双(甲氧甲基)联苯 | CAS号623-03-0 对氯苯腈 | CAS号1126-46-1 甲基-4-氯苯甲酸甲酯 | CAS号74-11-3 对氯苯甲酸 | CAS号104-88-1 对氯苯甲醛 | CAS号7364-23-0 Ether, p-chloro...

4-氯苯甲醛二甲基缩醛置于bis(2,3,5,6-Tetrafluorophenyl)-(2,3,6-Trichlorophenyl)Borane,氢气体系中,用 四氢呋喃 用作溶剂,55.0 °C,2.0 Mpa 条件下,反应 12.0H,以89%的收率获得1-氯-4-(甲氧基甲基)苯
参考文献:沮丧路易斯对的自动串联催化还原醛和酮的醚化反应
标题:沮丧路易斯对的自动串联催化还原醛和酮的醚化反应
摘要:在本文中,我们报道了单个沮丧的路易斯对(flp)催化剂可以促进醛和酮的还原醚化.该反应不需要外源酸催化剂,但是flp对h 2,R-Oh或h 2 O的联合作用以可逆的"开启"方式产生所需的布朗斯台德酸.该方法不仅是一种补充性的无金属还原醚化方法,而且还是醚类的利基方法,这种方法在合成上不方便,甚至很难通过其他合成方案进行操作.
Doi:10.1002/anie.201700231

专利信息

专利号:US-6335458-B1
优先权日:1998-02-27
标题:Intermediate compounds in the synthesis of the A ring moiety of 2-substituted vitamin D derivatives
发明人：OGASAWARA KUNIO; TAKAHASHI MICHIYASU
权利人:CHUGAI PHARMACEUTICAL CO LTD
摘要:The object of the present invention is to provide novel compounds corresponding to the A ring part of vitamin D derivatives having a substituent at the 2-position. According to the present invention, there are provided compounds of the general formula (1):(wherein R1, R2 and R3, which may be the same or different, represent a hydrogen atom or a protecting group and R4 represents a lower alkyl group), intermediates for synthesizing them and a process for preparing them.

专利号:US-7482492-B2
优先权日:2007-04-12
标 题 :Cost effective method for synthesis of triarylamine compounds
发明人：COGGAN JENNIFER A; HU NAN-XING
权利人:XEROX CORP
摘要:A process for forming a triarylamine compound includes reacting a halogenated aryl alcohol with an alcohol protecting agent and a first base to form a halogenated protected aryl alcohol compound, and reacting the halogenated protected aryl alcohol compound with an amine in the presence of a suitable catalyst and a second base.

专利号:US-6410523-B1
优先权日:1998-04-10
标题:Vitamin D derivatives substituted at the 2beta-position
发明人：WATANABE HIROYOSHI
权利人:CHUGAI PHARMACEUTICAL CO LTD
摘要:The present invention provides a vitamin D derivative of the general formula (I):wherein A denotes a straight chain or branched chain alkylene group with 2 to 10 carbon atoms and R denotes SO3R1 in which R1 represents a hydrogen atom or a straight chain or branched chain alkyl group with 1 to 3 carbon atoms or COOR2 in which R2 represents a hydrogen atom or a straight chain or branched chain alkyl group with 1 to 3 carbon atoms; an intermediate compound for synthesis of the vitamin D derivative; and a pharmaceutical composition containing the vitamin D derivative as an active ingredient. The compound of the invention has affinity for a vitamin D receptor and a vitamin D binding protein, and is useful as a drug, such as a drug for treatment of diseases due to abnormal of calcium metabolism. The compound is considered to be a metabolite of a vitamin D derivative having a substituent at the 2beta-position, especially, 2beta-(3-hydroxypropoxy)-1alpha,25-dihydroxyvitamin D3. This compound can advantageously be used as an authentic sample to identify the derivative.

专利号:US-2008255389-A1
优先权日:2007-04-12
标题 :Cost effective method for synthesis of triarylamine compounds

专利号:CA-2628349-C
优先权日:2007-04-12
标题 :Cost effective method for synthesis of triarylamine compounds

专利号:EP-1061070-B1
优先权日:1998-02-24
标 题 :Process for the preparation of ED-71
发明人：HATAKEYAMA SUSUMI; WATANABE HIROYOSHI; KAWASE AKIRA
权利人:CHUGAI PHARMACEUTICAL CO LTD
摘要:Vitamin D derivatives having general formula (1) which are hydroxylated at the 24-position and considered as one of metabolites of physiologically active vitamin D derivatives substituted at the 2 beta -position wherein R1, R2, R3 and R4 are the same or different and each represents hydrogen or a protective group; X and Y represent each H or OR5, provided that Y is OR5 when X is H, and Y is H when X is OR5 (wherein R5 represents hydrogen or a protective group, or R1 and R5 may together form a vicinal-diol protective group); synthesis intermediates useful in synthesizing these vitamin D derivatives; and medicinal compositions containing these vitamin D derivatives.