会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Process for preparation of 4,6-diaminoresorcinol or salts thereof
    • 制备4,6-二氨基间苯二酚或其盐的方法
    • US06222074B1
    • 2001-04-24
    • US09600551
    • 2000-07-25
    • Kenichi TokunagaMotohito ShiratoriKazuhiko AkimotoHideo SuzukiIsao Hashiba
    • Kenichi TokunagaMotohito ShiratoriKazuhiko AkimotoHideo SuzukiIsao Hashiba
    • C07C21302
    • C07C213/02C07C215/80
    • The invention relates to a process for preparation of 4,6-diaminoresorcinol or salts thereof by reducing 4,6-bis(substituted)phenylazoresorcinol expressed by the formula [1] wherein, R denotes a halogen atom, an alkyl group having 1-5 carbon atoms, a hydroxycarbonyl group or an alkoxy group having 1-5 carbon atoms, n denotes 0 or any integer of 1-5, and two or more groups R may be same or different each other, for example, 4,6-bisphenylazoresorcinol, with hydrogen in the presence of a metal catalyst to obtain 4,6-diaminoresorcinol or salts thereof, characterized in that an aliphatic nitrile compound (for example, acetonitrile) is used as a solvent, or characterized in that the reduction is carried out by using at least one organic solvent selected from aliphatic nitrile compounds, aliphatic alcohols having 3-5 carbon atoms, dioxane and ethylene glycol monomethyl ether, etc. as a solvent and furthermore in the presence of a filter aid (for example, active carbon). According to the said preparation process, 4,6-diaminoresorcinol with high purity can be easily obtained from 4,6-bis(substituted)phenylazoresorcinol in a high yield.
    • 本发明涉及通过还原由式[1]表示的4,6-双(取代的)苯基次氮杂环戊烯来制备4,6-二氨基间苯二酚或其盐的方法,其中R表示卤素原子,具有1-5个 碳原子,羟基羰基或具有1-5个碳原子的烷氧基,n表示0或1-5的整数,并且两个或更多个基团R可以相同或不同,例如,4,6-双苯​​并苯并氮杂酚 在金属催化剂存在下用氢气得到4,6-二氨基间苯二酚或其盐,其特征在于使用脂族腈化合物(例如乙腈)作为溶剂,或其特征在于还原是通过 使用至少一种选自脂族腈化合物,具有3-5个碳原子的脂族醇,二恶烷和乙二醇单甲醚等作为溶剂的有机溶剂,并且在助滤剂(例如活性炭)存在下进行。 根据所述制备方法,可以从4,6-双(取代)苯基次氮基间苯二酚以高产率容易地得到高纯度的4,6-二氨基间苯二酚。
    • 4. 发明授权
    • Processes for producing 4,6-bis (substituted)phenylazoresorcinols
    • 生产4,6-双(取代)苯基次氮杂环戊烯的方法
    • US5962740A
    • 1999-10-05
    • US66335
    • 1998-04-28
    • Kazuhiko AkimotoKenichi TokunagaIsao HashibaHideo SuzukiYasuo KatsumuraKazuo OsakiHideo KawashitaSatoshi Yamazaki
    • Kazuhiko AkimotoKenichi TokunagaIsao HashibaHideo SuzukiYasuo KatsumuraKazuo OsakiHideo KawashitaSatoshi Yamazaki
    • C07C245/08C07C213/02
    • C07C245/08
    • A process for producing 4,6-bisphenylazoresorcinol of formula �2! wherein R represents halogen atom, C.sub.1-5 alkyl group, hydroxycarbonyl or C.sub.1-5 alkoxy group, n represents 0 or an integer of 1 to 5, and two or more Rs are the same or different from each other, which comprises reacting resorcinol with a benzenediazonium salt of formula �1! wherein R and n are the same as defined in the above formula �1!, and X represents Cl, Br, OSO.sub.3 H or OPO.sub.3 H.sub.2, in an alkaline solvent, characterized in that (a) a solution of the compound of the formula �1! is mixed with a solution or suspension of an alkali metal or alkaline earth metal hydroxide to obtain an alkaline mixture, and this alkaline mixture is mixed to be reacted with a solution or suspension containing resorcinol and/or its alkali metal salt or alkaline earth metal salt, or (b) a solution of the compound of formula �1! is mixed to be reacted with a solution or suspension of a mixture of resorcinol with its alkali metal hydroxide or alkaline earth metal hydroxide 15 to 40 times by mol as much as the resorcinol. By the above-described method, the reaction volume can be reduced as compared with the conventional processes, and 4,6-bisphenylazoresorcinol can be obtained in high yield.
    • PCT No.PCT / JP96 / 03199 Sec。 371日期:1998年4月28日 102(e)1998年4月28日PCT PCT 1996年10月31日PCT公布。 第WO97 / 16411号公报 日期1997年5月9日制备式[2]的4,6-双苯​​并苯并氮杂酚的方法,其中R表示卤素原子,C 1-5烷基,羟基羰基或C 1-5烷氧基,n表示0或1〜5的整数, 两个或多个Rs相同或不同,其包括使间苯二酚与式[1]的苯二氮鎓盐反应,其中R和n与上式[1]中定义相同,X表示Cl,Br, OSO 3 H或OPO 3 H 2,在碱性溶剂中,其特征在于:(a)式[1]化合物的溶液与碱金属或碱土金属氢氧化物的溶液或悬浮液混合,得到碱性混合物, 将碱性混合物与含有间苯二酚和/或其碱金属盐或碱土金属盐的溶液或悬浮液混合,或(b)将式[1]化合物的溶液与溶液或溶液反应,或 间苯二酚与其碱金属氢氧化物的混合物悬浮 de或碱土金属氢氧化物为间苯二酚的15〜40倍摩尔。 通过上述方法,与常规方法相比可以降低反应体积,可以高产率获得4,6-双苯​​并氮杂间苯二酚。
    • 6. 发明授权
    • Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material
    • 生物质水热分解装置及其温度控制方法以及使用生物质材料的有机原料生产系统
    • US09102956B2
    • 2015-08-11
    • US13132040
    • 2010-03-10
    • Minoru GentaRyosuke UeharaHideo SuzukiSeiichi Terakura
    • Minoru GentaRyosuke UeharaHideo SuzukiSeiichi Terakura
    • C12M1/40B01J19/00C08B15/00C12P7/10C10L1/02
    • C12P7/10C10G2300/1014C10G2300/805C10L1/02Y02E50/16Y02P30/20
    • A biomass hydrothermal decomposition apparatus that feeds a solid biomass material 11 from one side of an apparatus body 42, feeds hot water 15 from the other side, to hydrothermally decompose the biomass material 11 while bringing the biomass material 11 into counter contact with the hot water 15, dissolves hot-water soluble fractions in hot water, discharges the hot water to outside from the one side of the apparatus body 42 as a hot-water effluent 16, and discharges a biomass solid (a hot water insoluble) 17 to outside from the other side. The biomass hydrothermal decomposition apparatus includes an effective reaction region A formed from the other side to the one side of the apparatus body 42, in which a feeding temperature of the hot water 15 (for example, 200° C.) is maintained for a predetermined period of time to cause hydrothermal decomposition, and a temperature drop region B in which a temperature is rapidly dropped to a temperature (for example, 140° C.) at which the hot-water soluble fractions are not excessively decomposed (for example, from 200° C. to 140° C.), immediately after it is out of the effective reaction region A.
    • 从装置本体42的一侧供给固体生物质材料11的生物质热液分解装置从另一侧供给热水15,使生物质材料11热水分解,同时使生物质材料11与热水反接触 15,将热水溶性部分溶解在热水中,将热水从装置主体42的一侧作为热水流出物16排出到外部,将生物质固体(不溶于热水)17排出到外部 另一边。 生物质热液分解装置包括从设备主体42的另一侧形成的有效反应区域A,其中将热水15的供给温度(例如200℃)保持在预定的温度 引起水热分解的时间段,以及温度迅速下降到热水可溶级分未过分分解的温度(例如140℃)的温度下降区域B(例如, 200℃至140℃),刚刚离开有效反应区域A.
    • 10. 发明授权
    • Process for production of coumarin dimer compound
    • 生产香豆素二聚体化合物的方法
    • US08258318B2
    • 2012-09-04
    • US12451213
    • 2008-04-28
    • Hideo SuzukiTakayuki Tamura
    • Hideo SuzukiTakayuki Tamura
    • C07D311/00
    • C07D493/04
    • There is provided a one-step process for producing a dihydroxy-substituted coumarin dimer compound by a photodimerization reaction of a hydroxy-substituted coumarin compound. The process comprises subjecting a hydroxy-substituted coumarin compound to a photodimerization reaction in a solvent selected from aliphatic ketones having 3 to 10 carbon atoms, aliphatic carboxylic acid esters having 2 to 10 carbon atoms, aliphatic alcohols having 1 to 10 carbon atoms, aliphatic nitriles having 2 to 10 carbon atoms, ethers having 4 to 10 carbon atoms, amides having 3 to 10 carbon atoms, and a mixture thereof to obtain a dihydroxy-substituted coumarin dimer compound.
    • 提供了通过羟基取代的香豆素化合物的光二聚反应制备二羟基取代的香豆素二聚体化合物的一步法。 该方法包括使羟基取代的香豆素化合物在选自具有3至10个碳原子的脂族酮,2至10个碳原子的脂肪族羧酸酯,1至10个碳原子的脂族醇,脂族醇,脂族腈 具有2至10个碳原子,具有4至10个碳原子的醚,具有3至10个碳原子的酰胺及其混合物,以获得二羟基取代的香豆素二聚体化合物。