Category: 707-61-9

HPLC of Formula: 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 Synthesis of photosensitive polycarbodiimide. Author is Mochizuki, Amane; Takeshi, Kazumasa; Haba, Osamu; Kato, Sadao; Ueda, Mitsuru.

A neg.-working photosensitive polymer based on polycarbodiimide (PCD) and {[(4,5-dimethoxy-2-nitrobenzyl)oxy]carbonyl}-2-methylpiperidine (I) as a photoamine generator(PAG) has been developed. The end-capped PCDs with number average mol. weights of 1500 and 2500 were prepared by polycondensation of tolylene 2,4-diisocyanate (TDI) in the presence of m-tolyl isocyanate and 3-methyl-1-phenyl-2-phospholene-1-oxide as an end-capping agent and a catalyst, resp. PCDs were amorphous and soluble in common organic solvents, such as toluene, chloroform, and cyclohexanone. Thermogravimetry of the polymers showed good thermal stability, indicating that a 10% weight loss of the polymers was at 480° in nitrogen. The PCD films were transparent above 360 nm. The PCD containing I showed a sensitivity of 225 mJ/cm2 and a contrast of 1.5, when it was post-baked at 90°C sec, followed by development with toluene at 25°C.

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

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Synthesis of novel deoxy λ5 phospha sugar nucleosides: 1,3-dipolar cycloaddition of an azidophospholane with alkynes, published in 2001-12-07, which mentions a compound: 707-61-9, Name is 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, Molecular C11H13OP, Electric Literature of C11H13OP.

Several novel phospha sugar nucleosides, analogs of normal sugar nucleosides, were synthesized from a phospholene 1-oxide derivative Bromination of a phospholene precursor in aqueous organic medium gave regio diastereomers, the threo and erythro bromohydrins (1-bromo-1,3,4-trideoxy-1,4-C-[(R,S)-phenylphosphinylidene]-glycero-tetrofuranose). Further substitution of the threo isomer with sodium azide led to its corresponding azidophospholane (1-azido-1,3,4-trideoxy-2-methyl-1,4-C-[(R)-phenylphosphinylidene]-β-D-glycero-tetrofuranose) (I). 1,3-Dipolar cycloaddition of I with various electron-deficient and electron-rich alkynes afforded triazole derivatives that are nucleoside analogs. The strong electron-withdrawing phosphoryl group in the hemiacetal ring exerted no effect over reaction regioselectivity of the 1,3-dipolar cycloaddition, but steric effects of the alkynes played a vital role on the selectivity, since the regioisomer ratios and the rates and yields of cycloadducts changed as the bulkiness of the substituents on the acetylene changes. Structures of all compounds were unequivocally confirmed by 1H, 13C, and 31P NMR and mass spectral studies. Single crystal X-ray crystallog. anal. of some derivatives allowed determination of configuration of the phospha sugar nucleosides.

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

Recommanded Product: 707-61-9. 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: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Synthesis and in vitro evaluation of 2,3-dibromo-3-methyl-1-phenylphospholane 1-oxide for potential anti-proliferative effects. Author is Fujie, Michio; Nakamura, Satoki; Asai, Kazuhide; Yamashita, Junko; Kiyofuji, Keita; Yamashita, Mitsuji.

A novel phospha sugar analog, 2,3-dibromo-3-methyl-1-phenylphosphotane 1-oxide (DBMPP), was prepared from 1-phenyl-3-methyl-2-phospholene1-oxide and evaluated by in vitro MTT method for leukemia cells and microscopic observations for solid tumor cells, e.g., stomach cancer cells. The evaluation revealed clearly that the synthesized phospha sugar analog DBMPP has competent potentials and excellent anti-cancer activities that killed selectively and specifically the leukemia cells of cell lines of K562 and U937 but did not give any damages on healthy leukocyte. Moreover, it was revealed that DBMPP killed solid cancer cells such as stomach cancer cells and melanoma of cell lines of MKN45 and G361. Therefore, DBMPP should exert anti-proliferative effects for different kinds of tumor cells based on the in vitro evaluations. The cell cycle analyses by flow cytometry for K562 and U937 cells clearly demonstrated that the mechanism of the anti-proliferative effect on the human tumor cells is apoptosis induced by DBMPP.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide(SMILESS: CC1=CP(CC1)(C2=CC=CC=C2)=O,cas:707-61-9) is researched.Recommanded Product: 707-61-9. The article 《Synthesis of novel deoxy λ5 phospha sugar nucleosides: 1,3-dipolar cycloaddition of an azidophospholane with alkynes》 in relation to this compound, is published in Carbohydrate Research. Let’s take a look at the latest research on this compound (cas:707-61-9).

Several novel phospha sugar nucleosides, analogs of normal sugar nucleosides, were synthesized from a phospholene 1-oxide derivative Bromination of a phospholene precursor in aqueous organic medium gave regio diastereomers, the threo and erythro bromohydrins (1-bromo-1,3,4-trideoxy-1,4-C-[(R,S)-phenylphosphinylidene]-glycero-tetrofuranose). Further substitution of the threo isomer with sodium azide led to its corresponding azidophospholane (1-azido-1,3,4-trideoxy-2-methyl-1,4-C-[(R)-phenylphosphinylidene]-β-D-glycero-tetrofuranose) (I). 1,3-Dipolar cycloaddition of I with various electron-deficient and electron-rich alkynes afforded triazole derivatives that are nucleoside analogs. The strong electron-withdrawing phosphoryl group in the hemiacetal ring exerted no effect over reaction regioselectivity of the 1,3-dipolar cycloaddition, but steric effects of the alkynes played a vital role on the selectivity, since the regioisomer ratios and the rates and yields of cycloadducts changed as the bulkiness of the substituents on the acetylene changes. Structures of all compounds were unequivocally confirmed by 1H, 13C, and 31P NMR and mass spectral studies. Single crystal X-ray crystallog. anal. of some derivatives allowed determination of configuration of the phospha sugar nucleosides.

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

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide(SMILESS: CC1=CP(CC1)(C2=CC=CC=C2)=O,cas:707-61-9) is researched.Product Details of 22353-34-0. The article 《Structure of isoprene-phenylphosphonous dihalide cyclo-adducts》 in relation to this compound, is published in Chemical Communications (London). Let’s take a look at the latest research on this compound (cas:707-61-9).

The cyclo-adduct of isoprene and PhPCl2, which gives 3-methyl-1-phenyl-2-phospholene oxide (I), b0.15 150°, on hydrolysis, was found to contain the 2 phospholene ring system. The PhPBr2 adduct contains the 3-phospholene ring system and gives 3-methyl-1-phenyl-3-phospholene oxide (II), b0.24 133-4°, on hydrolysis. The PhCH2Br salts of I and II m. 178-80° and 184-5°, resp.

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

Recommanded Product: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide. 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: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about NMR and uv spectral studies of some 1-aryl-substituted 3-methyl-2-phospholene oxides. Author is Kerek, F.; Ostrogovich, G..

The NMR and uv spectra of 7 1-aryl-3-methyl-2-phospholene oxides (I, R = H, Me, NMe2, etc.) are discussed. The value of 25 cps for the coupling constants of the P atom with vinylic protons indicates a Δ2,3 position of the phospholene ring double bond. The linear correlation of the bathochromic shift values with substituent constants (σ°) shows a low conjugative interaction between the benzene ring and the phosphoryl group.

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

Yamada, Manabu; Yamashita, Mitsuji; Suyama, Takuya; Yamashita, Junko; Asai, Kazuhide; Niimi, Taishi; Ozaki, Nobuhisa; Fujie, Michio; Maddali, Kasthuraiah; Nakamura, Satoki; Ohnishi, Kazunori published an article about the compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide( cas:707-61-9,SMILESS:CC1=CP(CC1)(C2=CC=CC=C2)=O ).Recommanded Product: 707-61-9. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:707-61-9) through the article.

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.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Synthesis of Multifunctional Alkenes from Substituted Acrylates and Aldehydes via Phosphine-Catalyzed Wittig Reaction, the main research direction is alkene ethoxycarbonyl aroylmethyl diastereoselective preparation; aldehyde diastereoselective Wittig reaction aroyl acrylate phosphine catalyst.SDS of cas: 707-61-9.

An efficient synthesis of multifunctional alkenes (E)-R1C(O)CH2C(CO2Et):CHR2 (R1 = Me, Ph, 4-O2NC6H4, 2-thienyl, 2-naphthyl, etc.; R2 = Ph, 3-O2NC6H4, 2-furyl, 4-pyridinyl, etc.) starting from substituted acrylates (E)-R1C(O)CH:CHCO2Et and aldehydes R2CHO has been developed via phosphine-catalyzed Wittig reactions. The reactions proceed smoothly even under mild conditions (30-60 °C) via a phosphine/phosphine oxide catalytic cycle using phenylsilane as the reducing agent. According to this simple protocol, the desired products are obtained in moderate to excellent yields as single stereoisomers.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about NMR and uv spectral studies of some 1-aryl-substituted 3-methyl-2-phospholene oxides, the main research direction is phospholene aryl oxide NMR UV.Safety of 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide.

The NMR and uv spectra of 7 1-aryl-3-methyl-2-phospholene oxides (I, R = H, Me, NMe2, etc.) are discussed. The value of 25 cps for the coupling constants of the P atom with vinylic protons indicates a Δ2,3 position of the phospholene ring double bond. The linear correlation of the bathochromic shift values with substituent constants (σ°) shows a low conjugative interaction between the benzene ring and the phosphoryl group.

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

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 4-Methyl-1-phenyl-2,3-dihydro-1H-phosphole 1-oxide, is researched, Molecular C11H13OP, CAS is 707-61-9, about Synthesis of Nitrogen-Containing Heterocycles and Cyclopentenone Derivatives via Phosphine-Catalyzed Michael Addition/Intramolecular Wittig Reaction, the main research direction is diketone cyclocondensation acetylenedicarboxylate phosphine catalyst; pyrrolizidine pyrroline pyridine cyclopentenone preparation; acetylenedicarboxylate amino carbaldehyde ester Michael addition intramol Wittig.Application of 707-61-9.

The phosphine-catalyzed Michael addition/intramol. Wittig reaction between dialkyl acetylenedicarboxylate and amino carboxaldehyde or amino ester has been developed. This reaction can be rendered catalytic in phosphine by the in situ chemoselective reduction of the phosphine oxide with a silane. This methodol. enables rapid access to a variety of nitrogen-containing heterocycles, which are present in numerous natural products and/or bioactive compounds Either classical heating or microwave conditions give access to the desired products in good yields (15 examples, 60-99% yields). This catalytic methodol. is further applicable to the synthesis of enantioenriched 1H-pyrrole derivatives, with the use of chiral phosphines. Finally, the reaction is extended to the synthesis of a polysubstituted cyclopentenone, starting from butane-2,3-dione as substrate.

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