CAS: 104-46-1; 1-Methoxy-4-(Prop-1-En-1-yl)Benzene

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1-(4-Methoxyphenyl)Propyl Acetate 反应 0.25H,反应生成茴香脑
参考文献:新分离的曼德假单胞菌 Kjlpb5 和 [hmim]Br 的协同混合物,用于在 H2O2 中进行化学选择性 2°芳基醇氧化:通过顺序脱水-氧化 C=c 裂解合成芳基酮或醛
标题:新分离的曼德假单胞菌 Kjlpb5 和 [hmim]Br 的协同混合物,用于在 H2O2 中进行化学选择性 2°芳基醇氧化:通过顺序脱水-氧化 C=c 裂解合成芳基酮或醛
摘要:据报道,曼德假单胞菌 Kjlpb5 在离子液体 [hmim]Br(1-己基-3-甲基溴化咪唑鎓)中用 H2O2 氧化芳醇.随着反应条件的轻微改变,所开发的方案导致(i)2°芳醇和脂肪族对应物的化学选择性氧化或(II)直接将2°芳醇转化为相应的一锅两步顺序转化或两个碳原子较短的芳醛通过氧化裂解途径,从而为无金属氧化提供了一个新的方面.还优化了底物浓度,孵育温度,孵育时间,离子液体类型和离子液体浓度等关键操作参数. 图形摘要
Doi:10.1007/s10562-010-0542-6

专利信息

专利号:US-6376676-B1
优先权日:1993-06-30
标题 :Intermediates in the synthesis of (±)-camptothecin and related compounds and synthesis thereof
发明人：CURRAN DENNIS P; LIU HUI
权利人:UNIV PITTSBURGH
摘要:The present invention provides a short, convergent total synthesis of novel intermediates in the synthesis of (±)-camptothecin and related compounds. The present synthesis scheme includes a novel 4+1 radical annulation followed by another cyclization to simultaneously assemble rings B and C of the camptothecin compound. The present invention also provides novel chemical intermediates for such 4+1 radical annulations.

专利号:US-7326805-B2
优先权日:2003-05-07
标题 :Method for the synthesis of 4-hydroxyisoleucine and the derivatives thereof
发明人：MIOSKOWSKI CHARLES; CATALA CEDRIC; WAGNER ALAIN
权利人:MIOSKOWSKI CHARLES; CATALA CEDRIC; WAGNER ALAIN
摘要:The invention relates to a method for the synthesis of two isomers, at function OH, alone or in mixtures, of amino acids α or the derivatives thereof, having general formula (B), wherein: linkage C—O of the 4-position carbon (represented by symbol) denotes one or other of isomers III or IV, or mixtures thereof. Moreover, R 1 and R 2 represent: a hydrogen atom; or either R 1 or R 2 represents a hydrogen atom and the other substituent is a radical R a , an acyl group —COR a , such as acetyl, or a functional group —COOR a , —SO 2 R a , —N (R a , R b ), R a and R b , which are identical or different, representing a C1-C12 linear or branched alkyl radical, optionally substituted, an aryl group with one or more aromatic rings and heterocycles, comprising between 5 and 8C, optionally substituted, or aralkyl, the alkyl substituent and the aryl group being as defined above; or R 1 and R 2 both represent a substituent as defined above. R 3 represents a hydrogen atom or R a and R 4 has the significance of R a . The invention is characterised in that it comprises: the isomerisation of a compound having formula (I), wherein R 1 , R 2 , R a , R 3 and R 4 are as defined above, such as to produce a compound having formula (II); and the reduction of the carbonyl function thereof which, depending on the catalytic system employed and the formula (I) compound used, produces one of the isomers having general formula (III) or (IV) or a mixture thereof having formula (B). The invention can be used for the synthesis of (2S, 3R, 4S)-4-hydroxyisoleucine.

专利号:US-6252079-B1
优先权日:1993-06-30
标 题 :Intermediates in the synthesis of camptothecin and related compounds and synthesis thereof
发明人：CURRAN DENNIS P; BOM DAVID
权利人:UNIV PITTSBURGH
摘要:The present invention provides a short, convergent total synthesis of irinotecan and derivative compounds which comprises of a novel 4+1 radical annulation wherein the precursoris reacted with an aryl isonitrile having the formulawherein X is Br or I, and R4 is an alkyl group, an allyl group, a propargyl group or a benzyl group, and R16 is H, a C1-C6 alkoxy group, agroup wherein p is an integer between 4 and 12, or a C1-C12 acyclic dialkylamino group. The present invention also provides novel chemical intermediates for such 4+1 radical annulations.

专利号:US-8293930-B1
优先权日:2004-06-25
标题 :One pot synthesis of taxane derivatives and their conversion to paclitaxel and docetaxel
发明人：NAIDU RAGINA
权利人:NAIDU RAGINA; CHATHAM BIOTEC LTD
摘要:A process is provided for the semi-synthesis of taxane intermediates useful in the preparation of paclitaxel and docetaxel, in particular, the semi-synthesis of protected taxane intermediate in a one pot reaction of protecting the C-7 and C-10 positions and attaching a side chain at the C-13 position and subsequently deprotecting the group to form paclitaxel or docetaxel, and taxane intermediates.

专利号:US-7872160-B2
优先权日:2008-03-31
标题:Single pot process for the regioselective synthesis of neolignan framework asarones
发明人：UPPULURI VENKATA MALLAVADHANI; AKELLA VENKATA SUBRAHMANYA SUDHAKAR; MAHAPATRA ANITA
权利人:COUNCIL SCIENT IND RES
摘要:The present invention provides a single pot process for the regioselective synthesis of neolignan framework [3(R)-Ethyl-2(S)-methyl-3-(2″,4″,5″-trimethoxyphenyl)-1-(2′,4′,5′-trimethoxyphenyl)propane from toxic β-isomer rich asarone using montmorillonite acidic clay by employing microwave organic reaction enhancement (MORE) chemistry. This may be useful as versatile synthetic protocol for the synthesis of a large number of lignan and neolignan frameworks.

专利号:US-7893283-B2
优先权日:2004-06-04
标题:Semi-synthesis of taxane intermediates and their conversion to paclitaxel and docetaxel
发明人：NAIDU RAGINA
权利人:CHATHAM BIOTEC LTD
摘要:A process is provided for the semi-synthesis of taxane intermediates useful in the preparation of paclitaxel and docetaxel, in particular, the semi-synthesis of protected taxane intermediates.