A convenient synthesis of 6-substituted-2,2-dimethyl-2H-1-benzopyrans

被引:10
作者
Ding, CZ
机构
[1] Bristol-Myers Squibb P., Princeton, NJ 08543-4000
关键词
D O I
10.1080/00397919608004664
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Various 2,2-dimethyl-6-functional-2H-1-benzopyrans were prepared via a halogen-metal exchange reaction followed by treatment with electrophiles. These 6-functionalized chromenes are important synthetic intermediates for preparation of benzopyran-based potassium channel openers.
引用
收藏
页码:4267 / 4273
页数:7
相关论文
共 14 条
[1]   SYNTHESIS AND ANTIHYPERTENSIVE ACTIVITY OF 4-(CYCLIC AMIDO)-2H-1-BENZOPYRANS [J].
ASHWOOD, VA ;
BUCKINGHAM, RE ;
CASSIDY, F ;
EVANS, JM ;
FARUK, EA ;
HAMILTON, TC ;
NASH, DJ ;
STEMP, G ;
WILLCOCKS, K .
JOURNAL OF MEDICINAL CHEMISTRY, 1986, 29 (11) :2194-2201
[2]   CARDIOSELECTIVE ANTIISCHEMIC ATP-SENSITIVE POTASSIUM CHANNEL OPENERS [J].
ATWAL, KS ;
GROVER, GJ ;
AHMED, SZ ;
FERRARA, FN ;
HARPER, TW ;
KIM, KS ;
SLEPH, PG ;
DZWONCZYK, S ;
RUSSELL, AD ;
MORELAND, S ;
MCCULLOUGH, JR ;
NORMANDIN, DE .
JOURNAL OF MEDICINAL CHEMISTRY, 1993, 36 (24) :3971-3974
[3]  
BELL D, 1995, SYNTHESIS-STUTTGART, P707
[4]   STUDIES OF CHROMENES .10. OXIRANES OF NITROCHROMENES [J].
BROWN, PE ;
LEWIS, RA .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1992, (05) :573-577
[5]   SYNTHESIS OF BRL 55834 - A NOVEL, POTENT AIRWAYS-SELECTIVE POTASSIUM CHANNEL ACTIVATOR [J].
BUCKLE, DR ;
EGGLESTON, DS ;
PINTO, IL ;
SMITH, DG ;
TEDDER, JM .
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, 1992, 2 (09) :1161-1164
[6]  
BUTERA JA, 1994, EXP OPIN THER PATENT, V4, P395
[7]   AIRWAY PHARMACOLOGY OF THE POTASSIUM CHANNEL OPENER, HOE-234, IN GUINEA-PIGS - INVITRO AND INVIVO STUDIES [J].
ENGLERT, HC ;
WIRTH, K ;
GEHRING, D ;
FURST, U ;
ALBUS, U ;
SCHOLZ, W ;
ROSENKRANZ, B ;
SCHOLKENS, BA .
EUROPEAN JOURNAL OF PHARMACOLOGY, 1992, 210 (01) :69-75
[8]  
ENGLERT HC, 1990, Patent No. 351720
[9]  
Evans J M, 1994, Prog Med Chem, V31, P411, DOI 10.1016/S0079-6468(08)70026-2
[10]   IMPROVED SYNTHESIS OF ARYL 1,1-DIMETHYLPROPARGYL ETHERS [J].
GODFREY, JD ;
MUELLER, RH ;
SEDERGRAN, TC ;
SOUNDARARAJAN, N ;
COLANDREA, VJ .
TETRAHEDRON LETTERS, 1994, 35 (35) :6405-6408