Organic ions in the gas phase. XXVII. Long-range intramolecular interactions in 4-n-alkyl trimellitic esters
摘要:
DOI:
10.1021/ja00799a037
作为产物:
描述:
1,2,4-苯三甲酸 、 正丁醇 在
triflic acid on silica-encapsulated superparamagnetic iron oxide nanoparticles 作用下,
以
neat (no solvent) 为溶剂,
反应 1.33h,
以92%的产率得到偏苯三酸三-正丁基酯
参考文献:
名称:
Micro-flow nanocatalysis: synergic effect of TfOH@SPIONs and micro-flow technology as an efficient and robust catalytic system for the synthesis of plasticizers
PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST
申请人:Ikenaga Shigenobu
公开号:US20080312461A1
公开(公告)日:2008-12-18
A transition metal compound represented by the following formula (2a):
一个以以下公式(2a)表示的过渡金属化合物:
Resin composition and molded object formed from the resin composition
申请人:Tanaka Kazuya
公开号:US20060148969A1
公开(公告)日:2006-07-06
Disclosed is a resin composition that has excellent impact resistance and excellent heat resistance without substantially deteriorating biodegradability that the lactic acid based resin has inherently. The resin composition includes (A) a lactic acid based resin; (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (AHm) of 5 J/g to 30 J/g, and/or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and/or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0C or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, has a content of 5 mass % to 25 mass %.
[EN] HYDROGENATION OF BENZENE POLYCARBOXYLIC ACIDS OR DERIVATIVES THEREOF<br/>[FR] HYDROGENATION D'ACIDES POLYCARBOXYLIQUES DE BENZENE OU DE LEURS DERIVES
申请人:EXXONMOBIL CHEM PATENTS INC
公开号:WO2004046078A1
公开(公告)日:2004-06-03
A process for hydrogenating benzenepolycarboxylic acids or derivatives thereof, such as esters and/or anhydrides, by bringing one or more benzenepolycarboxylic acids or one or more derivatives thereof into contact with a hydrogen-containing gas in the presence of one or more catalytically active metal, such as platinum, palladium, ruthenium or mixtures thereof, deposited on a catalyst support comprising one or more ordered mesoporous materials.
Method for hydrogenating organic compounds by means of ru/sio2 catalysts
申请人:——
公开号:US20040199033A1
公开(公告)日:2004-10-07
In a process for hydrogenating at least one organic compound, the organic compound or compounds is/are brought into contact with a hydrogen-containing gas in the presence of a catalyst which comprises, as active metal, ruthenium either alone or together with at least one further metal of transition group I, VII or VIII of the Periodic Table applied to a support material based on amorphons silicon dioxide and is obtainable by:
i) a single or multiple treatment of a support material based on amorphous silicon dioxide with a halogen-free aqueous solution of a low molecular weight ruthenium compound and subsequent drying of the treated support material at below 200° C.,
ii) reduction of the solid obtained in i) by means of hydrogen at from 100 to 350° C.,
with step ii) being carried out directly after step i).
Catalyst for olefin polymerization and use of the same
申请人:Gao Mingzhi
公开号:US20060142146A1
公开(公告)日:2006-06-29
The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compound catalyst component, and (C) silicon ether compound catalyst component, the silicon ether compound being represented by a general formula (I):
wherein
R
1
-R
12
and A are as defined in the description.