Month: March 2022

Quality Control of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Synergetic iridium and amine catalysis enables asymmetric [4+2] cycloadditions of vinyl aminoalcohols with carbonyls. Author is Zhang, Mao-Mao; Wang, Ya-Ni; Wang, Bao-Cheng; Chen, Xiao-Wang; Lu, Liang-Qiu; Xiao, Wen-Jing.

Catalytic asym. cycloadditions via transition-metal-containing dipolar intermediates are a powerful tool for synthesizing chiral heterocycles. However, within the field of palladium catalysis, compared with the well-developed normal electron-demand cycloadditions with electrophilic dipolarophiles, a general strategy for inverse electron-demand ones with nucleophilic dipolarophiles remains elusive, due to the inherent linear selectivity in the key palladium-catalyzed intermol. allylations. Herein, based on the switched regioselectivity of iridium-catalyzed allylations, two asym. [4+2] cycloadditions of vinyl aminoalcs. with aldehydes and β,γ-unsaturated ketones through synergetic iridium and amine catalysis were achieved. The activation of vinyl aminoalcs. by iridium catalysts and carbonyls by amine catalysts provide a foundation for the subsequent asym. [4+2] cycloadditions of the resulting iridium-containing 1,4-dipoles and (di)enamine dipolarophiles. The former provides a straightforward route to a diverse set of enantio-enriched hydroquinolines bearing chiral quaternary stereocenters, and the later represent an enantio- and diastereodivergent synthesis of chiral hydroquinolines.

There is still a lot of research devoted to this compound(SMILES：N1(P2OC3=CC=C4C=CC=CC4=C3C5=C6C=CC=CC6=CC=C5O2)C7=CC=CC=C7C=CC8=CC=CC=C81)Quality Control of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, and with the development of science, more effects of this compound(1265884-98-7) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Application of 1265884-98-7. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Enantio- and Diastereoselective Spiroketalization Catalyzed by Chiral Iridium Complex. Author is Hamilton, James Y.; Rossler, Simon L.; Carreira, Erick M..

In the presence of [Ir(cod)Cl]2 and a nonracemic dibenzazepinyl dinaphthodioxaphosphepine ligand, hydroxy ketone-containing allylic carbonates such as I (Boc = t-BuO2C) underwent distereoselective and enantioselective spiroketalization reactions to yield spiroketals such as II in 62-99% yields, 1.2:1->25:1 dr (the diastereoselectivity of the 1.2:1 dr reaction was improved to >25:1 dr on equilibration with acid), and in 94:6->99:1 er. The protocol was effective for the preparation of a collection of spiroketals of various ring sizes and substituents, including heteroatoms, with high enantio- and diastereoselectivity. Furthermore, the enantio- and diastereoselective spiroketalization was used in tandem with an acetalization reaction and a second spiroketalization reaction to exert concomitant stereocontrol over addnl. stereogenic centers. The structure of a nonracemic spiropyranpyrrolopyran was determined by X-ray crystallog.

There is still a lot of research devoted to this compound(SMILES：N1(P2OC3=CC=C4C=CC=CC4=C3C5=C6C=CC=CC6=CC=C5O2)C7=CC=CC=C7C=CC8=CC=CC=C81)Application of 1265884-98-7, and with the development of science, more effects of this compound(1265884-98-7) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

HPLC of Formula: 4360-63-8. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-Bromomethyl-1,3-dioxolane, is researched, Molecular C4H7BrO2, CAS is 4360-63-8, about A Practical and Versatile Method for the C-H Sulfenylation of Imidazo[1,2- a ]pyridines. Author is Al-Saedy, Muhannad A. E.; Harrity, Joseph P. A..

Direct introduction of a broad selection of aromatic, heteroaromatic, or alkyl fragments connected by a thioether group into these important heterocycles by using readily prepared thiosulfate salts was reported.

There is still a lot of research devoted to this compound(SMILES：BrCC1OCCO1)HPLC of Formula: 4360-63-8, and with the development of science, more effects of this compound(4360-63-8) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Design, synthesis and bio-evaluation of C-1 alkylated tetrahydro-β-carboline derivatives as novel antifungal lead compounds, published in 2020-02-01, which mentions a compound: 7524-52-9, mainly applied to alkylated tetrahydrocarboline design synthesis Candida antifungal; Antifungals; Apoptosis; Candida glabrata; Pictet-Spengler; SAR; Synergistic effect; β-Carboline, Formula: C12H15ClN2O2.

The field of antifungal agent has become static and development of resistance by the pathogen as well as limited clin. efficacy of marketed drugs demand the constant development of new antifungals. The presence of hydrocarbon chain of specific length linked with various different heterocycles was found to be an important structural feature in various antifungal lead compounds Based on the prominent antimicrobial activity of β-carboline derivatives, a set of C1 alkylated tetrahydro-β-carboline derivatives were proposed to be active against fungi. To validate and confirm the role of suitable alkyl chains linked to a β-carboline scaffold, few related analogs having C1 aryl substituents were also synthesized in one step via classic Pictet-Spengler reaction. The synthesized library was evaluated for its antifungal activity against C. albicans, C. krusei, C. parapsilosis, C. kefyr, C. glabrata, C. tropicalis and C. neoformans. One of the library members I, with n-alkyl chain of eight carbons exhibited potent antifungal activity against C. glabrata and C. kefyr. The lead compound, being selectively toxic also demonstrated prominent synergy enhancing the potency of antifungal drugs up to 10-fold. The time kill kinetic studies confirmed the efficacy of compound I, where the results obtained were comparable to that of Amp B. FE-SEM anal. revealed the increased asymmetry, disintegration and roughness of cell surface which could be because of the possible interaction of compound I at membrane level or interference in cell wall structure. Apoptosis/necrosis detection assay confirmed the significant apoptotic activity in C. glabrata cells after I treatment which was responsible for the rapid killing of C. glabrata cells.

There is still a lot of research devoted to this compound(SMILES：N[C@@H](CC1=CNC2=CC=CC=C12)C(OC)=O.[H]Cl)Formula: C12H15ClN2O2, and with the development of science, more effects of this compound(7524-52-9) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Yamashita, Mitsuji; Yabui, Akihiro; Suzuki, Kazumitsu; Kato, Yukihiro; Uchimura, Miyuki; Iida, Akihito; Mizuno, Hiroyuki; Ikai, Koichi; Oshikawa, Tatsuo; Parkanayi, Laszlo; Clardy, Jon researched the compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide( cas:707-61-9 ).Category: dioxole.They published the article 《Novel synthesis and structure of phosphanyl sugar derivatives》 about this compound( cas:707-61-9 ) in Journal of Carbohydrate Chemistry. Keywords: phospholene conversion phosphanyl monosaccharide; phosphanyl monosaccharide preparation mol structure. We’ll tell you more about this compound (cas:707-61-9).

Some phosphanyl sugars, e.g. I, which are analogs of sugars having a phosphorus atom in place of the ring oxygen, were synthesized from 2- and 3-phospholenes as starting materials. Catalytic cis-dihydroxylation of 2-phospholene or 3-phospholene 1-oxide derivatives with osmium(VIII) oxide in the presence of a Co-oxidant afforded 3-deoxy- or 1-deoxy-tetrofuranose-type phosphanyl sugar derivatives, resp. Cis-Dihydroxylation of 4-acyloxy-2-phospholene 1-oxide derivatives gave tetrofuranose type phosphanyl sugar derivatives Some of these derivatives of phosphanyl sugars were subjected to structural analyses using 1H NMR and X-ray crystallog.

There is still a lot of research devoted to this compound(SMILES：CC1=CP(CC1)(C2=CC=CC=C2)=O)Category: dioxole, and with the development of science, more effects of this compound(707-61-9) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Tarasova, O. A.; Nedolya, N. A.; Albanov, A. I.; Trofimov, B. A. researched the compound: 2-Bromomethyl-1,3-dioxolane( cas:4360-63-8 ).SDS of cas: 4360-63-8.They published the article 《Unexpected Formation of Thiophene in the Pyrrole Synthesis from Methoxyallene and Methyl Isothiocyanate》 about this compound( cas:4360-63-8 ) in Russian Journal of Organic Chemistry. Keywords: lithiated methoxyallene methyl isothiocyanate bromomethyl dioxolane copper cyclization; dioxolanylmethyl methoxythiophenamine preparation. We’ll tell you more about this compound (cas:4360-63-8).

The sequential reaction of lithiated methoxyallene, Me isothiocyanate, and 2-(bromomethyl)-1,3-dioxolane in the presence of CuBr yields a 2,3-disubstituted thiophene instead of the expected pyrrole. The process was accomplished in one preparative stage and involved intramol. cyclization of the in situ-generated lithium allenylimidothioate and N-alkylation of the resulting lithium thienylamide. Varying the reaction conditions did not affect its route: in all cases, the only product was N-(1,3-dioxolan-2-ylmethyl)-3-methoxy-N-methylthiophen-2-amine.

There is still a lot of research devoted to this compound(SMILES：BrCC1OCCO1)SDS of cas: 4360-63-8, and with the development of science, more effects of this compound(4360-63-8) can be discovered.

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: H-Trp-OMe.HCl( cas:7524-52-9 ) is researched.Computed Properties of C12H15ClN2O2.Saulnier, Steve; Ghoteimi, Rayane; Mathe, Christophe; Peyrottes, Suzanne; Uttaro, Jean-Pierre published the article 《2-(Substituted amino)-8-azachromones from 4,6-Diaryl-2-pyridones: A Synthetic Strategy toward Compounds of Broad Structural Diversity》 about this compound( cas:7524-52-9 ) in Journal of Organic Chemistry. Keywords: amino azachromone preparation cyclization diaryl pyridone. Let’s learn more about this compound (cas:7524-52-9).

3-Acetoacetyl-4,6-diaryl-2-pyridones are synthesized in three steps from chalcones and then condense with carbon disulfide to afford 8-azachromones containing a methylthio group at C2. This leaving group offers an entry point for the insertion of more complex moieties via nucleophilic substitution. For this purpose, N-nucleophiles are explored according to their positions in the Mayr’s nucleophilicity scale (N parameter), and three main classes are distinguished depending on whether the substitution takes place from their neutral forms, from their deprotonated anionic forms, or under nucleophilic catalysis. A broad range of primary and secondary amines may be inserted by this method, including enantiomerically pure amino acids, enabling us to explore structural diversity.

If you want to learn more about this compound(H-Trp-OMe.HCl)Computed Properties of C12H15ClN2O2, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7524-52-9).

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

HPLC of Formula: 7524-52-9. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Unified total synthesis of the brevianamide alkaloids enabled by chemical investigations into their biosynthesis. Author is Godfrey, Robert C.; Jones, Helen E.; Green, Nicholas J.; Lawrence, Andrew L..

The bicyclo[2.2.2]diazaoctane alkaloids are a vast group of natural products which have been the focus of attention from the scientific community for several decades. This interest stems from their broad range of biol. activities, their diverse biosynthetic origins, and their topol. complex structures, which combined make them enticing targets for chem. synthesis. In this article, full details of our synthetic studies into the chem. feasibility of a proposed network of biosynthetic pathways towards the brevianamide family of bicyclo[2.2.2]diazaoctane alkaloids are disclosed. Insights into issues of reactivity and selectivity in the biosynthesis of these structures have aided the development of a unified biomimetic synthetic strategy, which has resulted in the total synthesis of all known bicyclo[2.2.2]diazaoctane brevianamides and the anticipation of an as-yet-undiscovered congener.

If you want to learn more about this compound(H-Trp-OMe.HCl)HPLC of Formula: 7524-52-9, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7524-52-9).

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

Product Details of 707-61-9. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Preparation and characterization of novel 4-bromo-3,4-dimethyl-1-phenyl-2-phospholene 1-oxide and the analogous phosphorus heterocycles or phospha sugars. Author is Yamada, Manabu; Yamashita, Mitsuji; Suyama, Takuya; Yamashita, Junko; Asai, Kazuhide; Niimi, Taishi; Ozaki, Nobuhisa; Fujie, Michio; Maddali, Kasthuraiah; Nakamura, Satoki; Ohnishi, Kazunori.

4-Bromo-3,4-dimethyl-1-phenyl-2-phospholene 1-oxide (3c) was 1st synthesized from 3,4-dimethyl-1-phenyl-2-phospholene 1-oxide (2c) by a bromo-radical substitution reaction occurred at C-4 position by N-bromosuccinimide and 2,2′-azobisisobutyronitrile. The novel phospha sugar analog 3c exerted high anti-proliferative effect on U937 cells evaluated by MTT in vitro methods and was much more efficient than that of Gleevec, which is known as a mol. targeting chemotherapeutical agent. The substitution of 2-phospholenes at C-3 and C-4 position with Me groups as well as 4-bromo substituent suggests a good anti-proliferative effect.

If you want to learn more about this compound(4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide)Product Details of 707-61-9, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(707-61-9).

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem

HPLC of Formula: 7524-52-9. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: H-Trp-OMe.HCl, is researched, Molecular C12H15ClN2O2, CAS is 7524-52-9, about Synthesis and antibacterial activities of marine natural product ianthelliformisamines and subereamine synthetic analogues. Author is Khadake, Shivaji Narayan; Karamathulla, Shaik; Jena, Tapan Kumar; Monisha, Mohan; Tuti, Nikhil Kumar; Khan, Faiz Ahmed; Anindya, Roy.

Marine sponges of the genus Suberea produce a variety of brominated tyrosine alkaloids which display a diverse range of biol. activities including antiproliferative, antimicrobial and antimalarial activities. In continuation of our search for biol. active marine natural products as antibacterial compounds, we report here the synthesis and evaluation of the biol. activity of a panel of ianthelliformisamines and subereamine analogs using the literature-known acid-amine coupling reaction. Several derivatives of ianthelliformisamine were obtained by coupling Boc-protected polyamines with brominated aromatic acrylic acid derivatives followed by Boc-deprotection using TFA. The aromatic acrylic acid derivatives varied in bromine substitution and geometry of the double bond. Similarly, subereamine analogs were synthesized by employing the coupling reaction between various brominated phenylacrylic acids with com. available chiral amino ester derivatives followed by ester hydrolysis. These synthetic analogs were screened for antibacterial activity against both Gram-neg. (Escherichia coli) and Gram-pos. (Staphylococcus aureus) strains. Ianthelliformisamine derivative I showed bactericidal activity against Staphylococcus aureus with an IC50 value of 3.8μM (MIC = 25μM).

If you want to learn more about this compound(H-Trp-OMe.HCl)HPLC of Formula: 7524-52-9, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(7524-52-9).

Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem