ChemInform Abstract: New Synthetic Routes to Acronycine, Noracronycine, and Their Analogues.

Hari, Galla Sri; Lee, Yong Rok; Wang, Xue; Lyoo, Won Seok; Kim, Sung Hong

doi:10.1002/chin.201051201

Cited by 1 publication

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“…Because of their extensive range of pharmacological activity and also their industrial and synthetic applications, several methods have been reported for the synthesis of spiro(indoline‐3,4‐pyrano[2,3‐ c ]pyrazole) derivatives in the presence of various catalysts such as InCl 3 , triethylbenzylammonium chloride, tetrabutylammonium fluoride, l ‐proline, 4‐(dimethylamino)pyridine (4‐DMAP), NaHCO 3 , NaBr, piperidine, C 17 H 35 COONa and ethylenediamine diacetate . An electrocatalytic method has also been used in the preparation of spiro(indoline‐3,4‐pyrano[2,3‐c] pyrazole).…”

Section: Introductionmentioning

confidence: 99%

Efficient four‐component synthesis of spiroindole derivatives catalysed by a versatile and reusable nano‐paramagnetic catalyst

Hojati

Amiri

Raouf

2016

Applied Organom Chemis

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A simple, efficient and environmentally benign route was developed for the preparation of spiro(indoline-3,4-pyrano[2,3-c]pyrazole) derivatives with good yields from condensation of isatins, malononitrile (or ethyl cyanoacetate), hydrazine hydrate and ethyl acetoacetate catalysed by PFu@Fe 3 O 4 nanocomposite. The use of easily available catalyst, shorter reaction times, better yields, simplicity of reaction, heterogeneous system and easy work-up are the advantages of the method presented. Characterization of the catalyst was performed using Fourier transform infrared spectroscopy, X-ray diffraction and transmission electron microscopy.

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Section: Introductionmentioning

confidence: 99%

Efficient four‐component synthesis of spiroindole derivatives catalysed by a versatile and reusable nano‐paramagnetic catalyst

Hojati

Amiri

Raouf

2016

Applied Organom Chemis

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ChemInform Abstract: New Synthetic Routes to Acronycine, Noracronycine, and Their Analogues.

Abstract: New synthetic routes to acronycine (Ia), noracronycine (Ib), and some of their analogues by using standard methodologies are presented.

Cited by 1 publication

References 1 publication

Efficient four‐component synthesis of spiroindole derivatives catalysed by a versatile and reusable nano‐paramagnetic catalyst

Efficient four‐component synthesis of spiroindole derivatives catalysed by a versatile and reusable nano‐paramagnetic catalyst

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