THE PREPARATION OF SUBSTITUTED 3,4-DIHYDRO-1H-2-BENZOPYRAN-1-ONES FROM THE DIANIONS OF ORTHO-TOLUIC ACIDS

被引：14

作者：

HILDEBRAN, KC ^{[1
]}

CORDRAY, TL ^{[1
]}

CHAN, KW ^{[1
]}

BEAM, CF ^{[1
]}

机构：

[1] COLL CHARLESTON,DEPT CHEM,CHARLESTON,SC 29424

来源：

SYNTHETIC COMMUNICATIONS | 1994年 / 24卷 / 06期

关键词：

D O I：

10.1080/00397919408011300

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The dianions of ortho-toluic and alpha-phenyl-ortho-toluic acids were prepared with lithium diisopropylamide (LDA), condensed with certain aldehydes or ketones, and the resulting intermediates were acid-cyclized to substituted 3,4-dihydro-1H-2-benzopyran-1-ones (dihydroisocoumarins).

引用

页码：779 / 788

页数：10

共 43 条

[1] AVAD WI, 1972, EGYPT J CHEM, P297
[2] ISOCOUMARINS - DEVELOPMENTS SINCE 1950
BARRY, RD
[J]. CHEMICAL REVIEWS, 1964, 64 (03) : 229 - +
[3] BEAM CF, 1989, CHEM IND-LONDON, P727
[4] ALDOL-CONDENSATION PRODUCTS FROM MULTIPLE ANIONS OF OXIMES, BENZANILIDES, A BENZAMIDE, AND OMICRON-TOLYLANILIDES
BEAM, CF
PARK, CA
REAMES, DC
MILLER, SA
HAUSER, CR
[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1978, 23 (02) : 183 - 184
[5] BEAM CF, 1976, CHEM IND-LONDON, P789
[6] BEAM CF, 1978, CAN J CHEM, V56, P5272
[7] FORMATION OF SOME 3-ARYL-3,4-DIHYDROISOCOUMARINS BY THERMAL RING-CLOSURE OF STILBENE-2-CARBOXYLIC ACIDS
BELLINGER, GCA
CAMPBELL, WE
GILES, RGF
TOBIAS, JD
[J]. JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1982, (12): : 2819 - 2825
[8] BRAHMBHATT DI, 1989, J INDIAN CHEM SOC, V66, P481
[9] DIRECTED LITHIATION OF TERTIARY BETA-AMINO BENZAMIDES
COMINS, DL
BROWN, JD
[J]. JOURNAL OF ORGANIC CHEMISTRY, 1986, 51 (19) : 3566 - 3572
[10] Creger P. L., 1970, J AM CHEM SOC, V92, P1396, DOI DOI 10.1021/JA00708A048

← 1 2 3 4 5 →