Ammonium fluoride as an inexpensive catalyst for Knoevenagel condensation in solvent-free conditions under microwave irradiation

被引:0
作者
Mogilaiah, K. [1 ]
Chandra, A. Vinay [1 ]
Jagadeeshwar, K. [1 ]
Kavitha, S. [1 ]
机构
[1] Kakatiya Univ, Dept Chem, Warangal 506009, Andhra Pradesh, India
来源
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY | 2013年 / 52卷 / 05期
关键词
Knoevenagel condensation; aromatic aldehydes; active methylene compounds; arylidene derivatives; NH4F; solvent-free conditions; microwave irradiation; ORGANIC-SYNTHESIS; EFFICIENT; BASE;
D O I
暂无
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Ammonium fluoride (NH4F) has been found to be an inexpensive catalyst for KnoevenageI condensation between aromatic aldehydes 1 and active methylene compounds 2 to afford arylidene derivatives 3 in excellent yields.
引用
收藏
页码:694 / 697
页数:4
相关论文
共 22 条
[1]   KNOEVENAGEL CONDENSATION IN THE HETEROGENEOUS PHASE USING ALPO4-AL2O3 AS A NEW CATALYST [J].
CABELLO, JA ;
CAMPELO, JM ;
GARCIA, A ;
LUNA, D ;
MARINAS, JM .
JOURNAL OF ORGANIC CHEMISTRY, 1984, 49 (26) :5195-5197
[2]   MICROWAVE-ASSISTED ORGANIC-REACTIONS [J].
CADDICK, S .
TETRAHEDRON, 1995, 51 (38) :10403-10432
[3]   Silica gel catalysed Knoevenagel condensation in Dry Media under microwave irradiation [J].
delaCruz, P ;
DiezBarra, E ;
Loupy, A ;
Langa, F .
TETRAHEDRON LETTERS, 1996, 37 (07) :1113-1116
[4]   KNOEVENAGEL CONDENSATION CATALYZED BY A MEXICAN BENTONITE USING INFRARED IRRADIATION [J].
DELGADO, F ;
TAMARIZ, J ;
ZEPEDA, G ;
LANDA, M ;
MIRANDA, R ;
GARCIA, J .
SYNTHETIC COMMUNICATIONS, 1995, 25 (05) :753-759
[5]   An efficient and environment friendly procedure for the synthesis of arylmethylenemalononitrile catalyzed by strong base anion-exchange resin in water [J].
Jin, TS ;
Zhang, JS ;
Wang, AQ ;
Li, TS .
SYNTHETIC COMMUNICATIONS, 2004, 34 (14) :2611-2616
[6]  
Jones G., 1967, ORGANICREACTIONS, V15, P204, DOI 10.1002/0471264180.or015.02
[7]  
Knoevenagel E., 1894, CHEM BER-RECL, V27, P2345
[8]   KNOEVENAGEL CONDENSATIONS WITH TICL4 BASE .4. REACTIONS OF ALDEHYDES AND KETONES WITH PHOSPHONOACETIC ESTER AND METHYLENEDIPHOSPHONATES [J].
LEHNERT, W .
TETRAHEDRON, 1974, 30 (02) :301-305
[9]   Microwave assisted organic synthesis -: a review [J].
Lidström, P ;
Tierney, J ;
Wathey, B ;
Westman, J .
TETRAHEDRON, 2001, 57 (45) :9225-9283
[10]   New solvent free organic synthesis using focused microwaves [J].
Loupy, A ;
Petit, A ;
Hamelin, J ;
Texier-Boullet, F ;
Jacquault, P ;
Mathé, D .
SYNTHESIS-STUTTGART, 1998, (09) :1213-1234