Structure and stereochemistry of the first isoflavanone-benzofuranone biflavonoids

被引：13

作者：

Bekker, R ^{[1
]}

Brandt, EV ^{[1
]}

Ferreira, D ^{[1
]}

机构：

[1] Univ Orange Free State, Dept Chem, ZA-3900 Bloemfontein, South Africa

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 35期

关键词：

D O I：

10.1016/S0040-4039(98)01322-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The structure and stereochemistry of (2S,3R)-dihydrogenistein-(2 alpha-->5)-(2R)-maesopsin and its 2S (F-ring) epimer from the heartwood of Berchemia zeyheri, representing the first isoflavanone-benzofuranone biflavonoids, were established by H-1 NMR and CD data. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：6407 / 6410

页数：4

共 8 条

[1] Absolute configuration of flavanone-benzofuranone-type biflavonoids and 2-benzyl-2-hydroxybenzofuranones [J].

Bekker, R ;

Brandt, EV ;

Ferreira, D .

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1996, (20) :2535-2540

[2]

BEKKER R, 1996, J CHEM SOC CHEM COMM, P957

[3] PRE-ISOFLAVONOID STAGES IN THE BIOSYNTHESIS OF AMORPHIGENIN - RING-D FORMATION AND RING-A MIGRATION [J].

CROMBIE, L ;

HOLDEN, I ;

VANBRUGGEN, N ;

WHITING, DA .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1986, (14) :1063-1065

[4] REACTION-MECHANISM OF OXIDATIVE REARRANGEMENT OF FLAVANONE IN ISOFLAVONE BIOSYNTHESIS [J].

HASHIM, MF ;

HAKAMATSUKA, T ;

EBIZUKA, Y ;

SANKAWA, U .

FEBS LETTERS, 1990, 271 (1-2) :219-222

[5]

HATANO T, 1988, CHEM PHARM BULL, V36, P2090

[6] ENZYMATIC-SYNTHESIS OF ISOFLAVONES [J].

KOCHS, G ;

GRISEBACH, H .

EUROPEAN JOURNAL OF BIOCHEMISTRY, 1986, 155 (02) :311-318

[7] ISOFLAVONOID CONSTITUENTS OF DALBERGIA AND MACHAERIUM SPECIES .6. ABSOLUTE-CONFIGURATIONS OF ISOFLAVANS [J].

KUROSAWA, K ;

OLLIS, WD ;

REDMAN, BT ;

SUTHERLAND, IO ;

ALVES, HM ;

GOTTLIEB, OR .

PHYTOCHEMISTRY, 1978, 17 (08) :1423-1426

[8]

VOLSTEEDT F, 1991, TETRAHEDRON LETT, P1647

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