物理性质
- 熔点128 °C
- 沸点441.7±25.0 °C at 760 mmHg
- 闪点173.4±22.7 °C
- 密度1.1±0.1 g/cm3
- PSA:18.46
- LogP:4.8446
- 折射率1.600
- 蒸汽压0.0±1.0 mmHg at 25°C
- 敏感性1.远离氧化剂。2.微溶于丙酮、醚,溶于热醇、苯和氯苯。易燃,低毒
- 外观形态白色至淡黄色粉末至晶体
- 储存条件密封, 常温干燥保存
- 产品应用本品是橡胶中等程度的防老剂,对热,光和曲挠有中等防护作用,其效能稍低于防老剂MBH,在日光暴晒下也不变色,不会污染制品.适用于浅色天然橡胶,合成橡胶和不饱和制品中.因防老剂DBH能使碱性乳胶不发生聚结,尤其适用于乳胶工业制品中,主要用于制造海绵橡胶等乳胶制品.
- 性质描述银白色片状结晶.熔点130°C.微溶于水,丙酮,醚,溶于热醇,苯,氯苯.
上下游产品
CAS号100-44-7 氯化苄 | CAS号123-31-9 对苯二酚 | CAS号103-16-2 莫诺苯宗 | CAS号100-39-0 溴化苄 | CAS号106-51-4 苯醌 | CAS号100-51-6 苯甲醇 | CAS号2237-18-5 1,4-dibromo-2,5... | CAS号123-31-9 对苯二酚 | CAS号103-16-2 莫诺苯宗 | CAS号6311-66-6 4-苄氧基苯基乙酸 | CAS号96315-18-3 2-硝基-4-(苯基甲氧基)-苯酚 | CAS号51792-84-8 Benzenamine,2,5... | CAS号51792-85-9 1,4-二苄氧基-2-硝基苯合成工艺路线路线简述
- 合成目标产物 1,4-Dibenzyloxybenzene 主要起始原料 Benzyl Bromide And Hydroquinone
- (文献来源)合成步骤主要原料 Benzyl Bromide 和 Hydroquinone
4-苄氧基苯酚,溴甲苯置于sodium Hydride体系中,用 N,N-二甲基甲酰胺 作为反应溶剂,化学反应 10.0H,以97%的收率获得产物1,4-二苄氧基苯
参考文献:Pd/c-Catalyzed Chemoselective Hydrogenation In The Presence Of A Phenolic Mpm Protective Group Using Pyridine As A Catalyst Poison.
标题:Pd/c-Catalyzed Chemoselective Hydrogenation In The Presence Of A Phenolic Mpm Protective Group Using Pyridine As A Catalyst Poison.
摘要:使用pd/c-吡啶组合作为催化剂是一种非常有用的方法,用于选择性地去除(氢解)酚类化合物的o-苄基,N-Cbz和苄基酯保护基团,以及选择性地氢化带有mpm保护基团的酚类衍生物中的硝基和烯烃功能团.这些差异性结果显然归因于吡啶的作用.mpm基团可广泛应用于作为酚羟基功能团的选择性氢化保护基.
DOI:10.1248/cpb.51.320
海关参考信息
- 2902300000-甲苯
2905110000-甲醇
2906210000-苄醇
2908199090-其他酚的卤化衍生物 - 💡 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:US-4761413-A
优先权日:1986-12-22
标 题:1,5-epoxy-2,3,4,5-tetrahydro-1H-3-benzazepins and use in treatment of ulcers
发明人:WACHTER MICHAEL P; KARANEWSKY DONALD S
权利人:ORTHO PHARMA CORP
摘要:The synthesis of epoxybenzazepin compounds is described. The novel compounds have anti-ulcer activity.
专利号:US-4855426-A
优先权日:1986-12-22
标题:Process of preparing 1,5-epoxy-2,3,4,5-tetrahydro-1H-3-benzazepins
发明人:WACHTER MICHAEL P; KARANEWSKY DONALD S
权利人:ORTHO PHARMA CORP
摘要:The synthesis of epoxybenzazepin compounds is described. The novel compounds have anti-ulcer activity.
专利号:US-4029690-A
优先权日:1973-02-14
标题:Asymmetric synthesis of alkyl chrysanthemates
发明人:ARATANI TADATOSHI; NAKAMURA SHUZO; NAGASE TSUNEYUKI; YONEYOSHI YUKIO
权利人:SUMITOMO CHEMICAL CO
摘要:Process for producing an optically active alkyl chrysanthemate by reacting 2,5-dimethyl-2,4-hexadiene with an alkyl diazoacetate in the presence of a copper complex coordinated with a particular Schiff base.
专利号:US-4029683-A
优先权日:1973-02-14
标 题 :Copper complex
发明人:ARATANI TADATOSHI; NAKAMURA SHUZO; NAGASE TSUNEYUKI; YONEYOSHI YUKIO
权利人:SUMITOMO CHEMICAL CO
摘要:A copper complex coordinated with a Schiff base is provided herein, which complex is especially advantageous to catalyze the asymmetric synthesis of alkyl chrysanthemates. The specific complex of the present invention is a copper complex coordinated with a chiral Schiff base of the formula: ##STR1## wherein C* is an asymmetric carbon atom, R 1 is selected from (a) alkyl groups whose carbon atom number is 1-10, and (b) aralkyl groups with or without alkoxy substituent(s), whose total carbon atom number is 7-20, R 2 is selected from aryl groups with alkoxy substituent(s), whose total carbon atom number is 7-30, X is selected from (a) hydrogen, (b) alkyl groups having 1-10 carbon atoms, (c) a phenyl group, (d) alkoxy groups having 1-10 carbon atoms, (e) halogen atoms, (f) nitro, or X is benzo which together with the ring to which it is attached forms a naphthalene ring, and Y is a hydrogen atom.
专利号:US-4603209-A
优先权日:1984-09-07
标题 :Fluorescent indicator dyes for calcium ions
发明人:TSIEN ROGER Y; GRYNKIEWICZ GRZEGORZ
权利人:UNIV CALIFORNIA
摘要:The present invention discloses a new class of highly fluorescent indicator dyes that are specific for calcium ions. The new fluorescent indicator dyes combine a stilbene-type fluorophore with a tetracarboxylate parent Ca 2+ chelating compound having the octacoordinate pattern of liganding groups characteristic of EGTA and BAPTA. Preferred forms contain extra heterocyclic bridges to reinforce the ethylenic bond of the stilbene and to reduce hydrophobicity. Compared to their widely used predecessor, 'quin2', the new dyes offer up to thirty-fold brighter fluorescence, major changes in wavelength (not just intensity) upon Ca 2+ binding, slightly lower affinities for Ca 2+ , slightly longer wavelengths of excitation, and considerably improved selectivity for Ca 2+ over other divalent cations. These properties, particularly the wavelength sensitivity to Ca 2+ , make the dyes useful indicators for many intracellular applications, especially in single cells, adherent cell layers, or bulk tissues. n The present invention also discloses an improved method for synthesizing alpha-acyloxyalkyl bromides wherein the bromides so synthesized are free of contaminating bis(1-bromoalkyl)ether. The improved method is exemplified herein in the synthesis of acetoxymethyl bromide, a compound useful in preparing the acetoxymethyl esters disclosed herein as novel Ca 2+ specific fluorescent indicators.
专利号:US-4910198-A
优先权日:1986-12-22
标题:1,5-epoxy-2,3,4,5-tetrahydro-1H-3-benzazepins
发明人:WACHTER MICHAEL P; KARANEWSKY DONALD S
权利人:ORTHO PHARMA CORP
摘要:The synthesis of epoxybenzazepin compounds is described. The novel compounds have anti-ulcer activity.