Copper-catalysed cyanoalkylative cycloetherification of alkenes to 1,3-dihydroisobenzofurans: development and application to the synthesis of citalopram
作者:Tu M. Ha、Qian Wang、Jieping Zhu
DOI:10.1039/c6cc06356j
日期:——
A copper-catalysed cyanoalkylative cycloetherification of alkenes was developed. Heating a solution of substituted (2-vinylphenyl)methanol in MeCN/MeOH (v/v 7/3) in the presence of a catalytic amount of copper (II) tetrafluoroborate hydrate...
开发了铜催化的烯烃的氰基烷基化环醚化。在催化量的四氟硼酸铜(II)水合物存在下,加热取代的(2-乙烯基苯基)甲醇在MeCN / MeOH(v / v 7/3)中的溶液...
Process for the preparation of 5-(substituted)-10 methoxy-2,2,4-trimethyl-2,5-dihydro-
1H-chromeno [3,4-f] quinolines and derivatives thereof
申请人:——
公开号:US20030069427A1
公开(公告)日:2003-04-10
The present invention relates to an efficient process for the preparation of 5-(substituted)-10-methoxy-2,2,4-trimethyl-2,5-dihydro-1H-chromeno[3,4-f]quinolines.
The present invention relates to compounds of the formula (I) wherein X
1
is wherein R
1
, R
2
and R
10
are independently hydrogen or a suitable substituent; R
11
and R
12
are independently hydrogen or a suitable substituent; R is unsaturated 5 to 6-membered heteromonocyclic group; A is direct bond or —NH—; X
2
is monocyclic arylene, unsaturated 5 to 6-membered heteromonocyclic group or cycloalkenylene; Y is bivalent group selected from ethylene, trimethylene and vinylene, wherein CH
2
is optionally replaced by NH or O, and CH is optionally replaced by N; and Z is —(CH
2
)
n
—, —CO—(CH
2
)
m
—, —CH═CH— or —CO—NH—, wherein n is 1, 2 or 3 and m is 1 or 2, or a salt thereof. The compounds of the present invention inhibit apolipoprotein B (Apo B) secretion and are useful as a medicament for prophylactic and treatment of diseases or conditions resulting from elevated circulating levels of Apo B.
1
Process for the preparation of 5-(substituted)-10 methoxy-2,2,4-trimethyl-2,5-dihydro-1H-chromeno [3,4-F] quinolines and derivatives thereof
申请人:——
公开号:US06673930B2
公开(公告)日:2004-01-06
The present invention relates to an efficient process for the preparation of 5-(substituted)-10-methoxy-2,2,4-trimethyl-2,5-dihydro-1H-chromeno[3,4-f]quinolines.
Process for the preparation of 5-(substituted)-10-methoxy-2,2,4-trimethyl-2,5-dihydro-1H-chromeno[3,4-F]quinolines and derivatives thereof
申请人:Abbott Laboratories
公开号:US06518430B1
公开(公告)日:2003-02-11
The present invention relates to an efficient process for the preparation of 5-(substituted)-10-methoxy-2,2,4-trimethyl-2,5-dihydro-1H-chromeno[3,4-f]quinolines.