Category: 86-51-1

Farahnak Zarabi, Maryam published the artcileUltrasound Promoted Synthesis of Benzo[a]pyrano-[2,3-c]phenazines Using Multisulfonic Acid Hyperbranched Polyglycerol Functionalized Graphene Oxide as a Novel and Reusable Catalyst, Synthetic Route of 86-51-1, the main research area is benzopyranophenazine preparation green chem ultrasound; hydroxynaphthalenedione phenylenediamine aldehyde malononitrile cyclization polyglycerol graphene oxide nanocatalyst.

A green and rapid sonochem. research to preparation of the benzo[a]-pyrano[2,3-c]phenazines I [R = Ph, 4-(dimethylamino)phenyl, 2,3-dimethoxyphenyl, etc.] was carried out through a four-component reaction of 2-hydroxynaphthalene-1,4-dione, o-phenylenediamine, aldehydes RCHO, and malononitrile by using multisulfonic acid hyperbranched polyglycerol modified graphene oxide as an effective and recyclable catalyst. This procedure has a number of advantages such as: excellent yields, short reaction times and green conditions. In addition, the catalyst could be recovered easily and reused several times without any considerable loss of its catalytic activity.

Polycyclic Aromatic Compounds published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Synthetic Route of 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Shirzaei, Farhad published the artcile[(EtO)3Si(CH2)3NH3+][CH3COO-] as a novel basic ionic liquid catalyzed green synthesis of new 2-(phenylsulfonyl)-1H-benzo[a]pyrano[2,3-c]phenazin-3-amine derivatives, Category: isoquinoline, the main research area is phenylsulfonyl benzo pyranophenazinamine preparation green chem; hydroxynaphthalenedione phenylenediamine aldehyde phenylsulfonyl acetonitrile cyclocondensation ionic liquid catalyst.

An efficient, one-pot procedure for the preparation of new 2-(phenylsulfonyl)-1H-benzo[a]pyrano[2,3-c]phenazin-3-amine derivatives I (R = Ph, 4-bromophenyl, 3,4,5-trimethoxyphenyl, etc.) and II from four-component condensation reaction of 2-hydroxynaphthalene-1,4-dione, o-phenylenediamine, aromatic aldehydes RCHO and 2,3-dihydro-1H-indole-2,3-dione, and (phenylsulfonyl)acetonitrile in the presence of [(EtO)3Si(CH2)3NH3+][CH3COO-] as a novel basic ionic liquid as catalyst under solvent-free conditions is described. Simple procedure, high yields, short reaction times and an environmentally benign method are advantages of this protocol. The [(EtO)3Si(CH2)3NH3+][CH3COO-] can be recovered and reused several times without loss of its activity.

Journal of Molecular Structure published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Category: isoquinoline.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Shirzaei, Farhad published the artcileBasic ionic liquid, 2-hydroxyethylammonium formate, catalyzed one-pot synthesis of novel 2-(phenylsulfonyl)-1H-benzo[a]pyrano[2,3-c]phenazin-3-amine derivatives, Formula: C9H10O3, the main research area is phenylsulfonyl benzopyranophenazinamine preparation green chem; hydroxynaphthalenedione benzenediamine arylaldehyde phenylsulfonyl acetonitrile condensation ionic liquid catalyst.

A new, one-pot, efficient, and four-component condensation of 2-hydroxynaphthalene-1,4-dione, benzene-1,2-diamine, arylaldehydes RCHO (R = Ph, 4-bromophenyl, 3,4,5-trimethoxyphenyl, etc.) and 2,3-dihydro-1H-indole-2,3-dione and (phenylsulfonyl)acetonitrile in the presence of a reusable basic ionic liquid, 2-hydroxyethylammonium formate, as catalyst for the synthesis of novel 2-(phenylsulfonyl)-1H-benzo[a]pyrano[2,3-c]phenazin-3-amine derivatives I and II under solvent-free conditions at 80°C was described. A simple reaction and work-up procedure for the synthesis of new un-known compounds I and II using a green and reusable ionic liquid as catalyst under solvent-free and thermal conditions was reported. The easy preparation of ionic liquid was superiority of the mentioned basic ionic liquid This protocol has various advantages such as short reaction times, excellent yields, no column chromatog., and green environmentally safe media.

Research on Chemical Intermediates published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Gangu, Kranthi Kumar published the artcilePreparation and characterisation of new Ti/Fluorapatite/MWCNTs ternary nanocomposite and its catalytic activity in the synthesis of pyrazolo[3,4-b]quinoline moieties, COA of Formula: C9H10O3, the main research area is titania fluorapatite multiwalled carbon nanotube nanocomposite catalyst preparation; pyrazoloquinolone green preparation titania fluoroapatite nanocomposite catalyst; benzaldehyde dimedone aminomethylphenylpyrazole three component cyclocondensation titanium nanocatalyst.

A new ternary nanocomposite (Ti/FAp/MWCNTs) constituting titania, fluorapatite and multiwalled carbon nanotubes was prepared First, the fluorapatite (FAp) nanostructures were developed using glutamic acid as the crystal growth modifier; then it reacted with functionalized MWCNT sand TiO2 via sonication in ether. The Powder XRD, FT-IR and microscopic anal. (SEM and TEM) of the new nanocomposite, Ti/FAp/MWCNTs revealed three phases. TiO2 and FAp particle sizes were between 50-60 nm and 40-60 nm diameter, resp. This new ternary nanocomposite’s catalytic ability was examined in the three-component condensation of aromatic aldehydes, dimedone and 5-amino-3-methyl-1-phenylpyrazole to synthesize pyrazolo[3,4-b]quinolone derivatives I [R = 2,3-(OMe)2, 2-F, 2-NO2, 3-Br, 3-Cl] in impressive yields (91-95%) with short reaction times (ca.15 min) in the green solvent EtOH at room temperature The synergy between the Lewis acidic and basic sites contributed to the nanocomposite’s effectiveness. Recyclability with consistent activity (>5 times) was the added advantage of the Ti/FAp/MWCNTs nanocomposite.

Materials Today Communications published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, COA of Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Harutyunyan, A. A. published the artcileOne-Pot Three-Component Condensations of 2,6-Diaminopyrimidin-4(3H)-one, Aromatic Aldehydes, and Naphthols. Synthesis of Isomeric Benzochromeno[2,3-d]pyrimidines, Synthetic Route of 86-51-1, the main research area is benzochromenopyrimidine preparation; diaminopyrimidinone benzaldehyde naphthol three component cyclocondensation.

One-pot three-component reactions of 2,6-diaminopyrimidin-4-(3H)-one with aromatic aldehydes and 1- or 2-naphthol afforded benzo[7,8]chromeno[2,3-d]pyrimidine I (R = 3-Br, 3-NO2, 4-PhCH2O, etc.) and benzo[5,6]chromeno[2,3-d]pyrimidine II (R1 = H, 2-F, 2-OH-3-OMe, etc.) derivatives, resp. In both cases, the heterocyclization involved substitution of the 6-amino group of 2,6-diaminopyrimidin-4-(3H)-one by hydroxy group of naphthol and closure of 4H-pyran ring, whereas no alternative benzopyrimidoquinoline derivatives were formed.

Russian Journal of Organic Chemistry published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Synthetic Route of 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Katrun, Praewpan published the artcileA simple and efficient preparation of bis(indolyl)methanes catalyzed by HCl/silica gel under solvent-free conditions, Safety of 2,3-Dimethoxybenzaldehyde, the main research area is indolyl methane bis preparation solventless green chem; indole benzaldehyde electrophilic substitution reaction hydrochloride catalyst.

A rapid, simple and efficient method for the synthesis of bis(indolyl)methanes (BIMs) I (R1 = Ph, 3-methoxyphenyl, 2,4,5-trimethoxyphenyl, etc.; R2 = H, 2-Me, 5-Br, 7-Me, etc.; R3 = H, Me, Bn) via the electrophilic substitution reaction of indoles II with benzaldehydes R1CHO promoted by hydrochloric acid supported on silica gel was developed. The advantages of the present method entail short reaction times, high yields, ease of exptl. method and product isolation, benign reaction conditions and low cost.

ARKIVOC (Gainesville, FL, United States) published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Safety of 2,3-Dimethoxybenzaldehyde.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Mabaso, Thabile published the artcileFacile Method for the Synthesis of Cyanoacrylates by Knoevenagel Condensation, HPLC of Formula: 86-51-1, the main research area is methyl cyano arylacrylate green preparation ultrasound irradiation catalyst free; benzaldehyde methyl cyanoacetate Knoevenagel condensation.

In this communication, authors report the catalyst-free synthesis of cyanoacrylates I (R = H, 2-OMe, 4-F, etc.) in excellent yields in short reaction times, with no byproducts, via a green method using ultrasound irradiation facilitated Knoevenagel condensation of Me cyanoacetate and aromatic aldehydes in water.

Organic Preparations and Procedures International published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, HPLC of Formula: 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Karimi, Fatemeh published the artcileStudy on 3-(propylthio)propane-1-sulfonic acid immobilized on functionalized magnetic nanoparticles as an efficient catalyst for one-pot synthesis of dihydrotetrazolo[1,5-a]pyrimidine and tetrahydrotetrazolo[5,1-b]quinazolinone derivatives, Formula: C9H10O3, the main research area is propanesulfonic acid propylthio immobilized silica iron oxide preparation stability; tetrazole amino multicomponent heterocyclization aldehyde acetophenone dimedone acetoacetate; tetrazolopyrimidine dihydro preparation; tetrazoloquinazolinone tetrahydro preparation.

An efficient and reusable catalyst, 3-(propylthio)propane-1-sulfonic acid immobillized on functionalized magnetic nanoparticles [PTPSA@SiO2-Fe3O4], has been synthesized. This catalyst has been successfully used in multicomponent synthesis of dihydrotetrazolo[1,5-a]pyrimidines, dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylates and tetrahydrotetrazolo[5,1-b]quinazolinones under solvent-free conditions. The structure of the catalyst was confirmed by characterization techniques, such as FT-IR, TGA, SEM-EDX, elemental mapping, TEM, VSM and elemental anal. Moreover, this unique catalyst was found to be effective in up to six cycles. Recyclability of the catalyst, excellent yields of the products, short reaction time and clean reaction profile are the advantages of the present protocol.

RSC Advances published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Shamala, Devadas published the artcileZinc chloride catalyzed multicomponent synthesis of pyrazolopyridocoumarin scaffolds, SDS of cas: 86-51-1, the main research area is pyrazolopyridocoumarin preparation; hydroxycoumarin benzaldehyde alkyl aminopyrazole multicomponent condensation zinc chloride catalyst.

An efficient synthesis of a series of pyrazolopyridocoumarins I (R1 = Ph, 4-bromophenyl, 2,3-dimethoxyphenyl, etc.; R2 = Et, Me) is reported by condensation of 4-hydroxycoumarin, benzaldehydes R1CHO and 1-alkyl-5-amino-pyrazoles II in the presence of 10 mol% zinc chloride in ethanol under reflux conditions through one-pot reaction. The significant attraction of this protocol is being a simple procedure, mild reaction condition, and excellent yield. The mol. structure of the compound I (R1 = 2,3-dimethoxyphenyl; R2 = Et) is established by single crystal X-ray structure determination

Journal of Chemical Sciences (Berlin, Germany) published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, SDS of cas: 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Tripathi, Vishwa Deepak published the artcileβ-Cyclodextrin mediated multicomponent synthesis of spiroindole derivatives in aqueous medium, Formula: C9H10O3, the main research area is spiroindole quinazoline green preparation; isatin isatoic anhydride amine multicomponent cyclodextrin catalyst; dihydroquinazoline green preparation; benzaldehyde isatoic anhydride amine multicomponent cyclodextrin catalyst.

An efficient β-cyclodextrin catalyzed multicomponent synthetic protocol was developed for the synthesis of spiro[indoline-3,2′-quinazoline]-2,4′(3’H)-diones I [R1 = H, F, Br, NO2; R2 = H, Et, n-Pr, Bn; R3 = Ph, 4-MeC6H4, 4-ClC6H4, etc.] from isatoic anhydride, isatins and primary amines in aqueous medium. This methodol. offered a convenient method for the synthesis of spiroindole quinazolines in excellent yields. To extend synthetic utility of protocol some dihydro-quinazolines II [R4 = 3-Me, 2,3-(OMe)2, 4-F, etc.] were also synthesized from isatoic anhydride, benzaldehydes and primary amines.

Asian Journal of Chemistry published new progress about Benzaldehydes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem