Tag: M.W=150-200

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

Maddila, Surya N. published the artcileFacile One-pot Synthesis of Arylsulfonyl-4H-pyrans Catalyzed by Ru Loaded Fluorapatite, SDS of cas: 86-51-1, the main research area is arylsulfonyl pyran preparation green chem; aldehyde dimedone phenylsulfonyl acetonitrile three component reaction.

A novel ecofriendly cascade reaction for the synthesis of arylsulfonyl-4H-pyran derivatives by a three component fusion reaction of chosen aldehyde, dimedone and phenylsulfonyl acetonitrile at room temperature using ruthenia doped fluorapatite (RuO2/FAp) as recyclable catalyst is reported. Different percentages of RuO2/FAp materials were prepared and characterized by FT-IR, P-XRD, BET, SEM-EDX and TEM anal. Attractive features of the synthetic approach are operational simplicity, cost-effectiveness, short reaction time and excellent yields. Easily recoverable and reusable catalyst material without any deceptive loss of catalytic activity up to seven cycles is addnl. benefit.

ChemistrySelect 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

Devi, Lagudu published the artcileA rapid, sustainable and environmental friendly protocol for the catalyst-free synthesis of 2-methyl-5-oxo-hexahydroquinoline-3-carboxylate via ultrasonic irradiation, Application In Synthesis of 86-51-1, the main research area is methyl oxo hexahydroquinoline carboxylate green preparation ultrasonic irradiation; benzaldehyde cyclohexanedione benzyl acetoacetate multicomponent.

A facile, economic, highly valuable and sustainable protocol for the synthesis of substituted 2-methyl-5-oxo-hexahydroquinoline-3-carboxylate derivatives I [R = 2-FC6H4, 2-BrC6H4, 4-N(Me)2C6H4, etc.] was developed via one-pot, the multicomponent reaction of various benzaldehydes, 1,3-cyclohexanedione, benzyl acetoacetate and ammonium acetate in EtOH under ultrasound irradiation at room temperature condition. Employment of green solvent and catalyst-free conditions made this approach very fascinating from cost-effective and eco-friendly viewpoints. Mainly, this protocol offered various benefits such as easy handling, cleaner reaction, operational simplicity, simple work-up system, excellent yields (92-98%), rapid reaction time and condensed environmental consequences.

Chemical Data Collections 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, Application In Synthesis of 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Devi, Lagudu published the artcileA green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonic irradiation, Name: 2,3-Dimethoxybenzaldehyde, the main research area is amino phenylpyrazole benzaldehyde dimedone three component reaction green chem; diphenyl tetrahydropyrazoloquinolinone preparation ultrasonication.

A green and efficient protocol for the one-pot, multicomponent, catalyst-free synthesis of tetrahydro-1H-pyrazolo[3,4-b]quinolin-5(4H)-ones I [R = 2-hydroxyphenyl, 4-ethylphenyl, 3-nitrophenyl, etc.] from the reaction of 5-amino-3-methyl-1-phenylpyrazole, benzaldehydes and dimedone in ethanol as green solvent under ultrasound irradiation was described. This protocol offered several benefits such as simple handling, easy workup process, waste-free, milder reaction conditions, cleaner reaction, environment-friendly, short reaction times, absence of any tedious purification and excellent yields.

Chemical Data Collections 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, Name: 2,3-Dimethoxybenzaldehyde.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Qian, Bing-Feng published the artcileNew (μ-oxo)bis(μ-carboxylato)diruthenium(III) complexes containing 1,4,7-trimethyl-1,4,7-triazacyclononane ligands, Related Products of isoquinoline, the main research area is dinuclear ruthenium trimethyltriazacyclononane benzoato phenylacetato complex catalyst preparation electrochem; crystal structure dinuclear ruthenium trimethyltriazacyclononane benzoato phenylacetato complex.

Treatment of [(Me3tacn)RuCl3·H2O] (Me3tacn = 1,4,7-trimethyl-1,4,7-triazacyclononane) with substituted benzoic acid or phenylacetic acid, in water in the presence of potassium hexafluorophosphate gave cationic dinuclear Ru(III)-Ru(III) (μ-oxo)bis(μ-carboxylato) complexes [(Me3tacn)2Ru2(μ-O)(μ-OOCR)2](PF6)2 (R = Ph, 1; -py, 2; -C6H4-2-Cl, 3; -C6H3-2,4-Cl2, 4; -CH2C6H4-2-CH3, 5; -CH2C6H4-4-CH3, 6; -CH2C6H4-4-OCH3, 7; -CH2C6H4-4-Cl, 8). All complexes are well characterized by IR, UV/visible and mass spectroscopies, and their electrochem. properties were also investigated. The mol. structures of 1, 2·2C3H6O, 5·2C3H6O, 7 and 8 were also established by single-crystal x-ray diffraction. The photocatalytic properties for H2 evolution by water splitting of complexes 1, 2, 3, 5, and 7 were also investigated.

Inorganica Chimica Acta published new progress about Benzoic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Related Products of isoquinoline.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Feng, Guangshou published the artcileDecarboxylative C-C and C-N Bond Formation by Ligand-Accelerated Iron Photocatalysis, Application of 4-Methoxyphenylacetic acid, the main research area is unsaturated dinitrile carboxylic acid iron catalyst photochem decarboxylative addition; azodocarboxylate carboxylic acid iron catalyst photochem decarboxylative addition.

A mild and effective protocol for decarboxylative C-C and C-N bond formation through iron photocatalysis was achieved. The carboxylic acids underwent radical decarboxylation in the presence of Fe2(SO4)3 and di-(2-picolyl)amine under visible light irradiation The resulting alkyl radicals then reacted with Michael acceptors or azodicarboxylates to furnish the adducts.

European Journal of Organic Chemistry published new progress about Azo compounds Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Application of 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem