Category: 32780-06-6

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov’t, Science (Washington, DC, United States) called Asymmetric syntheses of sceptrin and massadine and evidence for biosynthetic enantiodivergence, Author is Ma, Zhiqiang; Wang, Xiaolei; Wang, Xiao; Rodriguez, Rodrigo A.; Moore, Curtis E.; Gao, Shuanhu; Tan, Xianghui; Ma, Yuyong; Rheingold, Arnold L.; Baran, Phil S.; Chen, Chuo, which mentions a compound: 32780-06-6, SMILESS is O=C1O[C@H](CO)CC1, Molecular C5H8O3, Reference of (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one.

Cycloaddition is an essential tool in chem. synthesis. Instead of using light or heat as a driving force, marine sponges promote cycloaddition with a more versatile but poorly understood mechanism in producing pyrrole-imidazole alkaloids sceptrin, massadine, and ageliferin. Through de novo synthesis of sceptrin and massadine, we show that sponges may use single-electron oxidation as a central mechanism to promote three different types of cycloaddition Addnl., we provide surprising evidence that, in contrast to previous reports, sceptrin, massadine, and ageliferin have mismatched chirality. Therefore, massadine cannot be an oxidative rearrangement product of sceptrin or ageliferin, as is commonly believed. Taken together, our results demonstrate unconventional chem. approaches to achieving cycloaddition reactions in synthesis and uncover enantiodivergence as a new biosynthetic paradigm for natural products.

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Metal catalyst and ligand design,
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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 A highly stereoselective synthesis of anti-HIV 2′,3′-dideoxy- and 2′,3′-didehydro-2′,3′-dideoxynucleosides, published in 1992-07-03, which mentions a compound: 32780-06-6, Name is (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, Molecular C5H8O3, Category: catalyst-ligand.

A general total synthetic method for the stereocontrolled synthesis of 2′,3′-dideoxy- and 2′,3′-didehydro-2′,3′-dideoxynucleosides, is presented. Introduction of an α-phenylselenenyl group at the 2-position of 2,3-dideoxyribosyl acetate directs the glycosyl bond formation to give ≥95% β-isomer. This 2′-phenylselenenyl nucleoside may be converted to either the 2′,3′-dideoxynucleoside by treatment with n-Bu3SnH and Et3B at room temperature or to the unsaturated derivative by treatment with H2O2/cat. pyridine. The application of this method to the syntheses of pyrimidines (ddU, ddT, ddC), 6-substituted purines (ddA, ddT, 6-chloro-ddP, N6-Me-ddA), and 2,6-disubstituted pruines(2-F-ddA, 6-chloro-2-amino-ddP) as well as selected 2′,3′-didehydro-2′,3′-dideoxy derivatives, is reported.

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Metal catalyst and ligand design,
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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 Identification of novel nucleotide phosphonate analogs with potent anti-HCMV activity, published in 1998-12-15, which mentions a compound: 32780-06-6, Name is (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, Molecular C5H8O3, Safety of (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one.

We have recently described the discovery of new leads in the area of anti-HCMV research. Further structure-activity relationship studies have allowed us to identify potent and selective anti-HCMV nucleotide analogs. The synthesis as well as structure-activity relationship studies are described.

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Name: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, is researched, Molecular C5H8O3, CAS is 32780-06-6, about Total synthesis of (R,Z)-(-)-5-tetradecen-4-olide, the pheromone of the Japanese beetle and its biological activity test. Author is Kang, Suk Ku; Shin, Dong Soo; Lee, Jeong Oon; Goh, Hyun Gwan.

Wittig-Emmons olefination of glyceraldehyde derivative I with (MeO)2P(O)CH2CO2Me, followed by hydrogenation and lactonization, gave (S)-hydroxylactone II. Inversion of configuration, oxidation, and Wittig olefination with RCH:PPh3 [R = Me(CH2)7] gave the title compound III as a 96:4 mixture of (Z)- and (E)-isomers. III was tested as an attractant for the male Japanese beetle.

There is still a lot of research devoted to this compound(SMILES：O=C1O[C@H](CO)CC1)Name: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, and with the development of science, more effects of this compound(32780-06-6) can be discovered.

Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Recommanded Product: 32780-06-6. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, is researched, Molecular C5H8O3, CAS is 32780-06-6, about Synthesis of S-(+)-4-(hydroxymethyl)-4-butanolide. Author is Pirillo, D.; Leggeri, P.; Traverso, G..

The title compound (I) was prepared from L-(+)-glutamic acid (II). II was converted to the hydroxy acid analog via diazotization; the hydroxy acid underwent lactonization to yield III (R = CO2H); the latter, Cl2CHOMe, and ZnCl2 gave III (R = COCl); and the product was reduced by NaBH4 to give I.

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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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 Brewster Angle Microscopy and X-ray GID Studies of Morphology and Crystal Structure in Monolayers of N-Tetradecyl-γ,δ-dihydroxypentanoic Acid Amide, published in 1997-06-12, which mentions a compound: 32780-06-6, mainly applied to tetradecyldihydroxypentanoic acid amide crystal surface structure, SDS of cas: 32780-06-6.

First-order phase transitions from the low-d. fluidlike phase to the condensed phase of monolayers of N-tetradecyl-γ,δ-dihydroxypentanoic acid amides at the air-water interface have been studied by π-A isotherms, Brewster angle microscopy (BAM), and synchrotron X-ray grazing incidence diffraction (GID). The thermodn. differences between enantiomeric and racemic monolayers are too small to be measured. Chiral discrimination is observable in the macroscopic domain morphol. by BAM. The domains of the condensed phase grow dendritically. The characteristic shapes of domains of the pure S and R enantiomers are mirror images of each other. The domains of the racemic mixture are quite similar; however, they have no mirror symmetry. Synchrotron X-ray grazing incidence diffraction (GID) measurements reveal an oblique lattice with tilt direction of mols. close to one of the nearest neighbors for condensed-phase monolayers of both enantiomer and racemate. The mols. of the racemic monolayers are more densely arranged indicating a week heterochiral interaction of the mols. The crystal structure changes only slightly with the surface pressure due to hydrogen bonds between the amide groups of mols. in the condensed phase. Thermodn. behavior, morphol. features, and two-dimensional crystal structure are discussed on the basis of the headgroup interactions, in particular the dominance of strong hydrogen-bonding chains of the amide groups only weakly affected by the hydroxyl groups and the chiral center.

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Metal catalyst and ligand design,
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Product Details of 32780-06-6. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one, is researched, Molecular C5H8O3, CAS is 32780-06-6, about A practical synthesis of (R)-(-)-γ-hydroxymethyl-γ-butyrolactone from natural glutamic acid. Author is Ho, Pak-Tsun; Davies, Nancy.

Tosylation of I (R = OH), prepared from natural (S)-(+)-glutamic acid, gave 96% I (R = p-MeC6H4SO3), which was treated with MeONa-MeOH to give quant. II, which, upon treatment with F3CCO2H at -10°, cyclized with complete inversion of configuration to give 86% III.

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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 32780-06-6, is researched, Molecular C5H8O3, about (R)-Desmolactone, A Female-produced Sex Pheromone Component of the Cerambycid Beetle Desmocerus californicus californicus (subfamily Lepturinae), the main research direction is desmolactone sex pheromone isolation structure preparation cerambycid beetle.Name: (S)-5-(Hydroxymethyl)dihydrofuran-2(3H)-one.

The authors report the identification, synthesis, and field bioassays of a female-produced sex attractant pheromone for the cerambycid beetle Desmocerus californicus californicus Horn. Headspace volatiles from females contained a sex-specific compound, (R)-desmolactone [(4R,9Z)-hexadec-9-en-4-olide], which elicited strong responses from the antennae of adult males in coupled gas chromatog.-electroantennogram analyses. Short syntheses of both enantiomers were developed from com. chiral synthons. In field bioassays, significant numbers of males were collected in traps baited with (R)-desmolactone, whereas the (S)-enantiomer attracted no males. The racemate was less attractive than the pure (R)-enantiomer, indicating some degree of antagonism by the unnatural enantiomer. This compound is the first example of a new structural class of cerambycid pheromones and is the second pheromone identified for a species in the subfamily Lepturinae.

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Reference:
Metal catalyst and ligand design,
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