CAS: 5447-02-9; 3,4-Dibenzyloxybenzaldehyde

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CAS号100-44-7 氯化苄 | CAS号139-85-5 原儿茶醛; 原二茶醛; 茶酚甲... | CAS号100-39-0 溴化苄 | CAS号253336-68-4 3,4-bis(phenylm... | CAS号1699-58-7 3,4-二(苄氧基)苄醇 | CAS号150258-69-8 4-(bromomethyl)... | CAS号99-50-3 原儿茶酸 | CAS号2150-43-8 3,4-二羟基苯甲酸甲酯 | CAS号54544-05-7 3,4-二(苄氧基)苯甲酸甲酯 | CAS号4049-39-2 3-羟基-4-苄氧基苯甲醛 | CAS号54337-90-5 3,4-二羟基苯甲酰胺 | CAS号3897-89-0 3,4-二羟基苄醇 | CAS号4049-39-2 3-羟基-4-苄氧基苯甲醛 | CAS号487-52-5 紫铆因 | CAS号491-70-3 木犀草素; 3',4',5,7... | CAS号1486-54-0 3,4-二(苄氧基)苯甲酰氯 | CAS号4790-19-6 5,6-二苄氧基吲哚 | CAS号3843-74-1 咖啡酸甲酯 | CAS号4261-42-1 异荭草苷; 异荭草素 | CAS号20728-73-8 5,7,3',4'-四-O-苄基儿茶素

2-溴-3-羟基-4-甲氧基苯甲醛置于吡啶,三氯化铝,Sodium Hydride体系中,化学反应生成 3,4-二苄氧基苯甲醛
参考文献:1278.酚的氘和tri交换反应和标记的3,4-二羟基苯丙氨酸的合成
标题:1278.酚的氘和tri交换反应和标记的3,4-二羟基苯丙氨酸的合成
摘要:
DOI:10.1039/jr9650006914

专利信息

专利号:US-5783577-A
优先权日:1995-09-15
标题 :Synthesis of quinazolinone libraries and derivatives thereof
发明人：HOUGHTEN RICHARD A; OSTRESH JOHN M
权利人:TREGA BIOSCIENCES INC
摘要:The present invention provides synthetic combinatorial libraries of organic compounds based on the quinazolinone ring.

专利号:US-5175302-A
优先权日:1987-07-13
标 题 :Nucleophilic fluoroalkylation of aldehydes
发明人：STAHLY G PATRICK
权利人:ETHYL CORP
摘要:Aryl difluoromethyl sulfone adds to aldehydes under phase transfer conditions to give novel substituted alcohols of the general formula n n RCH(OH)CF.sub.2 SO.sub.2 Ar (I) n n wherein R is an aryl, cycloaliphatic, sec- or tert-aliphatic, or heterocyclic group and Ar is an aryl group. The substituted alcohols of formula I are of particular utility as intermediates in the synthesis of a variety of useful end products. For example, the products of formula I may be utilized in desulfonylation reactions, oxidation reactions and fluorination reactions.

专利号:US-4837327-A
优先权日:1987-07-13
标 题 :Process for nucleophilic fluoroalkylation of aldehydes
发明人：STAHLY G PATRICK
权利人:ETHYL CORP
摘要:Aryl difluoromethyl sulfone adds to alkehydes under phase transfer conditions to give novel substituted alcohols of the general formula n n RCH(OH)CF.sub.2 SO.sub.2 Ar (I) n n wherein R is an aryl, cycloaliphatic, sec- or tert-aliphatic, or heterocyclic group and Ar is an aryl group. The substituted alcohols of formula I are of particular utility as intermediates in the synthesis of a variety of useful end products. For example, the products of formula I may be utilized in desulfonylation reactions, oxidation reactions and fluorination reactions.

专利号:US-4999429-A
优先权日:1989-01-09
标 题 :Process for the preparation of α,α,β-1-trifluoro-1-olefinic derivatives
发明人：STAHLY G PATRICK
权利人:ETHYL CORP
摘要:Aryl difluoromethyl sulfone adds to aldehydes under phase transfer conditions to give novel substituted alcohols of the general formula n n RCH(OH)CF.sub.2 SO.sub.2 Ar (I) n n wherein R is an aryl, cycloaliphatic, sec- or tert-aliphatic, or heterocyclic group and Ar is an aryl group. The substituted alcohols of formula I are of particular utility as intermediates in the synthesis of a variety of useful end products. For example, the products of formula I may be utilized in desulfonylation reactions, oxidation reactions and fluorination reactions.

专利号:US-5569786-A
优先权日:1987-01-06
标 题 :Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated 'combretastatins'
发明人：PETTIT GEORGE R; SINGH SHEO B
权利人:UNIV ARIZONA
摘要:New antineoplastic substances have been isolated, structurally elucidated and synthesized having a general structural formula of: (I) or H or OCH3; or R1R2 is -OCH2O-; R3 is H or OH; and R4 is OH or OCH3. These substances have been denominated 'combretastatin A-1, -A-2, -A-3, -B-1, -B-2, -B-3 and -B-4'. preparation containing the substances and methods of treating a host inflicted with a neoplastic growth with the preparation is described.

专利号:US-9181293-B2
优先权日:2009-11-24
标 题 :Method for the synthesis of aspalathin and analogues thereof
发明人：VAN DER WESTHUIZEN JAN HENDRIK; FERREIRA DANEEL; JOUBERT ELIZABETH; BONNET SUSSANA LUCIA
权利人:VAN DER WESTHUIZEN JAN HENDRIK; FERREIRA DANEEL; JOUBERT ELIZABETH; BONNET SUSSANA LUCIA; SOUTH AFRICAN MEDICAL RES COUNCIL
摘要:A method of synthesising Aspalathin and its analogues or derivatives is disclosed. The method comprises synthesising a compound of formula 1 or its analogues or derivatives: n n n n n n n n n n n n wherein n each of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 is independently selected from the group consisting of —H, —OH, hydrocarbyl groups, saccharide moieties and —OR 15 ; n R 15 is selected from the group consisting of hydrogen, a hydrocarbyl group (e.g. methoxy or ethoxy), an acyl group and a benzyl group; and n R 11 , R 12 , R 13 and R 14 are independently selected from the group consisting of —H, hydrocarbyl groups, saccharide moieties, an acyl group and a benzyl group. The method comprises the step of coupling a sugar to a dihydrochalcone, chalcone or flavanone, or coupling the sugar to an intermediate for producing a dihydrochalcone, chalcone or flavanone followed by coupling of the sugar-intermediate adduct to a further intermediate for producing a dihydrochalcone, chalcone or flavanone, and transforming the product thereof into a compound of formula 1 or an analogue or derivative thereof.