scholarly journals Tandem intramolecular cyclisation/1,3-aryl shift in N-(4,4-diethoxybutyl)-1-arylmethanimines (Kazan reaction): synthesis of 3-benzylidene-1-pyrrolines

RSC Advances ◽  
2017 ◽  
Vol 7 (80) ◽  
pp. 50955-50960 ◽  
Author(s):  
A. V. Smolobochkin ◽  
A. S. Gazizov ◽  
A. S. Melyashova ◽  
J. K. Voronina ◽  
A. G. Strelnik ◽  
...  
Keyword(s):  
Mannich Reaction ◽  
Sigmatropic Rearrangement ◽  
Tandem Reaction ◽  
Reaction Synthesis ◽  
Aryl Fragment

A novel tandem reaction, which transforms N-(4,4-diethoxybutyl)imines to 3-arylidene-1-pyrrolines via intramolecular Mannich reaction/[1,3]-sigmatropic rearrangement of the aryl fragment is described.

scholarly journals Asymmetric Mannich Reaction: Synthesis of Novel Chiral 5-(substituted aryl)-1,3,4-Thiadiazole Derivatives with Anti-Plant-Virus Potency

2019 ◽  
Vol 25 (1) ◽  
pp. 47-51 ◽  
Author(s):  
Song Bai ◽  
Yunying Zhu ◽  
Qin Wu
Keyword(s):  
Tobacco Mosaic Virus ◽  
Mosaic Virus ◽  
Mannich Reaction ◽  
Plant Virus ◽  
Enantiomeric Excess ◽  
Cinchona Alkaloid ◽  
Reaction Synthesis ◽  
Thiadiazole Derivatives

AbstractA series of novel chiral 5-(substituted aryl)-1,3,4-thiadiazole derivatives was synthesized in an enantioselective three-component Mannich reaction using cinchona alkaloid squaramide catalyst with excellent enantioselectivities (up to >99% enantiomeric excess (ee)). The bioassay results showed that these derivatives possessed good to excellent activities against tobacco mosaic virus (TMV).

C8-selective biomimetic transformation of 5,7-dihydroxylated flavonoids by an acid-catalysed phenolic Mannich reaction: Synthesis of flavonoid alkaloids with quercetin and (–)-epicatechin skeletons

Tetrahedron ◽  
2017 ◽  
Vol 73 (11) ◽  
pp. 1503-1510 ◽  
Author(s):  
Viktor Ilkei ◽  
András Spaits ◽  
Anita Prechl ◽  
Judit Müller ◽  
Árpád Könczöl ◽  
...  
Keyword(s):  
Mannich Reaction ◽  
Reaction Synthesis

scholarly journals Correction: Metal-free tandem reaction synthesis of spiro-cyclopropyl fused pyrazolin-5-one derivatives

2019 ◽  
Vol 6 (7) ◽  
pp. 1064-1065
Author(s):  
Man Liu ◽  
Chen-Fei Liu ◽  
Jing Zhang ◽  
Yan-Jun Xu ◽  
Lin Dong
Keyword(s):  
Tandem Reaction ◽  
Reaction Synthesis ◽  
Metal Free

Correction for ‘Metal-free tandem reaction synthesis of spiro-cyclopropyl fused pyrazolin-5-one derivatives’ by Man Liu et al., Org. Chem. Front., 2019, 6, 664–668.

Montmorillonite K-10 catalyzed Mannich reaction: Synthesis of aminonaphthoquinone derivatives from Lawsone

2018 ◽  
Vol 48 (14) ◽  
pp. 1805-1815 ◽  
Author(s):  
Sankaranarayanan Jayashree ◽  
Kalegowda Shivashankar
Keyword(s):  
Mannich Reaction ◽  
Reaction Synthesis
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