Novel tandem reactions of 2,2′-sulfonylbis(1,3-diarylprop-2-en-1-ones) with hydrazine:: formation of 3,6-diarylpyridazines and 3,5-diarylpyrazoles

被引：8

作者：

Gnanadeepam, M

Selvaraj, S ^{[1
]}

Perumal, S

Renuga, S

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India

[2] Fatima Coll, Dept Chem, Madurai 625018, Tamil Nadu, India

来源：

TETRAHEDRON | 2002年 / 58卷 / 11期

关键词：

pyridazines; pyrazoles; sulfones; hydrazines; mechanisms; NMR;

D O I：

10.1016/S0040-4020(02)00095-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The 2,2'-sulfonylbis(1,3-diarylprop-2-en-1-ones) undergo tandem reactions with hydrazine affording 3,6-diarylpyridazines and 3,5-diarylpyrazoles unexpectedly, the latter predominating. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：2227 / 2230

页数：4

共 14 条

[1] ACETYLINIC KETONES .2. REACTION OF ACETYLENIC KETONES WITH NUCLEOPHILIC NITROGEN-COMPOUNDS [J].

BADDAR, FG ;

ALHAJJAR, FH ;

ELRAYYES, NR .

JOURNAL OF HETEROCYCLIC CHEMISTRY, 1976, 13 (02) :257-268

[2]

Gnanadeepam M, 1999, INDIAN J CHEM B, V38, P962

[3] 2,6-diaroyl-3,5-diaryl-4-methyltetrahydro-1,4-thiazine-1,1-dioxides - A synthetic and stereochemical study [J].

Gnanadeepam, M ;

Selvaraj, S ;

Perumal, S ;

Hewlins, MJE ;

Lycka, A .

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS, 1999, 155 :167-173

[4]

GNANADEEPAM M, UNPUB PHOSPHORUS SUL

[5]

GNANADEEPAM M, UNPUB

[6]

GNANADEEPAM M, 2002, IN PRESS PHOSPHORUS

[7]

HOLLA BS, 1990, INDIAN J CHEM B, V29, P887

[8]

LIPP M, 1958, LIEBIGS ANN CHEM, V618, P110

[9]

LOUDON JD, 1963, CHEM SOC, P5496

[10] PREPARATION OF 3,6-DISUBSTITUTED PYRIDAZINES FROM 3-THIAPENTANE-1,5-DIONES VIA 2,7-DIHYDRO-1,4,5-THIADIAZEPINES [J].

NAKAYAMA, J ;

KONISHI, T ;

ISHII, A ;

HOSHINO, M .

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1989, 62 (08) :2608-2612

← 1 2 →