Reactions of 4-oxo-4H-1-benzopyran-3-carboxaldehydes with pentane-2,4-dione in acidic medium -: a new route to dihydroxybenzophenone derivatives

被引：16

作者：

Bandyopadhyay, C ^{[1
]}

Sur, KR ^{[1
]}

Patra, R ^{[1
]}

机构：

[1] R K Miss Vivekananda Centenary Coll, Dept Chem, Rahuir 743186, W Bengal, India

来源：

关键词：

D O I：

10.1039/a804173c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reaction of the title aldehyde 1 with acetylacetone 2 gives benzophenone 8 along with the Knoevenagel-type product 5 under acidic conditions.

引用

页码：802 / 803

页数：3

共 7 条

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[2]

GHOSH CK, 1981, SYNTHESIS-STUTTGART, P903

[3] CHEMISTRY OF 4-OXO-4H-[1]BENZOPYRAN-3-CARBOXALDEHYDE [J].

GHOSH, CK .

JONES, WD ;

ALBRECHT, WL .

[5]

NOHARA A, 1974, TETRAHEDRON LETT, P1183

[6]

Sabitha G, 1996, ALDRICHIM ACTA, V29, P15

[7]

Sirkecioglu O, 1995, J CHEM RES-S, P502