Category: 58081-05-3

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 Aliphatic and aromatic glucosides from Anoectochilus koshunensis, published in 1993-07-31, which mentions a compound: 58081-05-3, mainly applied to glycoside aliphatic aromatic Anoectochilus, COA of Formula: C4H6O3.

A new simple aliphatic glucoside, 3-(R)-3-β-D-glucopyranosyloxybutanolide (kinsenoside) with its congeners and a heterocyclic aromatic glucoside, β-glucopyranosyl-3-pyridinemethanol (nicoloside) were isolated from whole plants of A. koshunensis. Their structures were elucidated from chem. and spectroscopic evidence.

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Hollingsworth, Rawle I. published an article about the compound: (R)-4-Hydroxydihydrofuran-2(3H)-one( cas:58081-05-3,SMILESS:O=C1OC[C@H](O)C1 ).Related Products of 58081-05-3. 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:58081-05-3) through the article.

(S)-3,4-Dihydroxybutanoic acid and its γ-lactone [(S)-4-hydroxytetrahydrofuran-2-one] are important four-carbon synthons obtainable from some substituted D-hexose sugars and from L-malic acid. Until now there has been no easy route to the R-isomers because of the rarity both of suitably substituted L-hexose sugars and D-malic acid. Here we describe a method for preparing both enantiomeric forms of the free acids and their corresponding γ-lactones from pentose sugars.

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Zhang, Xiang; Huang, Hai-hong; Chen, Qing-hun published an article about the compound: (R)-4-Hydroxydihydrofuran-2(3H)-one( cas:58081-05-3,SMILESS:O=C1OC[C@H](O)C1 ).Electric Literature of C4H6O3. 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:58081-05-3) through the article.

A new total synthesis of the bioactive compounds, kinsenoside (I; R1 = H) and goodyeroside A (II; R2 = H), has been accomplished from readily available starting materials. The chiral 2(5H)-furanone III and its enantiomer IV were employed as the key chiral intermediates to construct the chiral glycosides V and VI with the appropriate stereochem. The spectral data of the target compounds and their acetylated derivatives (I; R1 = Ac) and (II; R2 = Ac) are identical with those of the natural and corresponding acetylated products.

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Pace, Vittorio; Hoyos, Pilar; Alcantara, Andres R.; Holzer, Wolfgang published the article 《Chemoselective CaO-Mediated Acylation of Alcohols and Amines in 2-Methyltetrahydrofuran》. Keywords: alc amine chemoselective acylation calcium oxide methyltetrahydrofuran.They researched the compound: (R)-4-Hydroxydihydrofuran-2(3H)-one( cas:58081-05-3 ).Synthetic Route of C4H6O3. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:58081-05-3) here.

Calcium oxide is proposed as an innocuous acid scavenger for the chemoselective synthesis of amide- and ester-type compounds Although these mols. have wide spread applications in organic and pharmaceutical chem., and a large number of routes have been designed for their synthesis, the development of more efficient and environmentally friendly acylation strategies remains an ongoing challenge. The use of CaO allows for the stoichiometric acylation of primary alcs. in the presence of phenols or tertiary alcs.; amines can also be subjected to acylation reactions in the presence of hydroxyl groups. Chirality is obtained through acylation if the starting material is an optically pure alc. or if a chiral acylating agent is used. Furthermore, the use of 2-methyltetrahydrofuran (2-MeTHF), a more ecofriendly solvent, leads to maximized yields. This protocol is successfully applied to the synthesis of an interesting N-aryloxazolidin-2-one intermediate for the preparation of linezolid-type compounds

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Pyrroline – Wikipedia,
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Product Details of 58081-05-3. 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. Compound: (R)-4-Hydroxydihydrofuran-2(3H)-one, is researched, Molecular C4H6O3, CAS is 58081-05-3, about Practical syntheses of (S)-4-hydroxytetrahydrofuran-2-one, (S)-3-hydroxytetrahydrofuran, and their (R)-enantiomers.

Optically active 4-hydroxytetrahydrofuran-2-one was synthesized in good yield from ClCH2CHOHCH2CO2Et (I) by refluxing with dilute HCl. In a similar manner, optically active 3-hydroxytetrahydrofuran was prepared from ClCH2CHOH(CH2)2OH, which was derived from I by NaBH4-reduction These cyclizations proceed without racemization.

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Pyrroline – Wikipedia,
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Electric Literature of C4H6O3. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: (R)-4-Hydroxydihydrofuran-2(3H)-one, is researched, Molecular C4H6O3, CAS is 58081-05-3, about A novel generation of optically active ethyl 4-chloro-3-hydroxybutyrate as a C4 chiral building unit using microbial dechlorination. Author is Suzuki, Toshio; Idogaki, Hideaki; Kasai, Naoya.

A novel procedure for the generation of optically active Et 4-chloro-3-hydroxybutyrate using bacterial cells was developed. Et (S)-4-chloro-3-hydroxybutyrate was prepared by Pseudomonas sp. OS-K-29, which stereoselectively assimilates 2,3-dichloro-1-propanol. The reaction was based on its kinetic dehalogenation for both enantiomers using the resting cells. The obtained 4-chloro-3-hydroxybutyrate had high enantiomeric excess of >98% with a yield of 33% at the microbial resolution step. Moreover, several C4 compounds having the 4-chloro-3-hydroxyl function were also resolved and gave good enantiomeric purities (>95% ee). Et (R)-4-chloro-3-hydroxybutyrate was also obtained with high enantiomeric purity (>98% ee) using the cells of Pseudomonas sp DS-K-NR818.

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Pyrroline – Wikipedia,
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Luk, Kin Chun; Wei, Chung Chen published an article about the compound: (R)-4-Hydroxydihydrofuran-2(3H)-one( cas:58081-05-3,SMILESS:O=C1OC[C@H](O)C1 ).HPLC of Formula: 58081-05-3. 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:58081-05-3) through the article.

L-Threonate (I; R = H), obtained from L-ascorbic acid, was converted to thiocarbonate [I; R = PhOC(S)], which on deoxygenation with Bu3SnH/AIBN gave dihydroxybutanoate II. Treatment of II with aqueous H2SO4 in THF gave lactone III, while reduction of II with LiAlH4 gave butanetriol IV.

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Pyrroline – Wikipedia,
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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: (R)-4-Hydroxydihydrofuran-2(3H)-one(SMILESS: O=C1OC[C@H](O)C1,cas:58081-05-3) is researched.HPLC of Formula: 58081-05-3. The article 《Total Synthesis of (+)-Mycotrienol and (+)-Mycotrienin I》 in relation to this compound, is published in Journal of Organic Chemistry. Let’s take a look at the latest research on this compound (cas:58081-05-3).

A highly convergent asym. synthesis of the ansamycin antibiotics (+)-mycotrienin I (I) (R = cyclohexylcarbonyl-D-Ala) and (+)-mycotrienol (I) (R = H) (II) has been achieved through the synthesis and coupling of the C9-C16 subunit (III) and the aromatic subunit (IV). All four stereogenic centers were introduced using chiral allylsilane bond construction methodol. A key feature of the synthetic scheme includes the incorporation of the (E, E, E)-triene unit with simultaneous macrocyclization via a Stille-type coupling-macrocyclization.

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Pyrroline – Wikipedia,
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Related Products of 58081-05-3. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: (R)-4-Hydroxydihydrofuran-2(3H)-one, is researched, Molecular C4H6O3, CAS is 58081-05-3, about Identification of Novel Glycosidic Aroma Precursors in Saffron (Crocus sativus L.). Author is Straubinger, Markus; Bau, Brigitte; Eckstein, Susanne; Fink, Margit; Winterhalter, Peter.

The methanolic extract of saffron was separated with the aid of multilayer coil countercurrent chromatog. After purification by HPLC, the following seven novel carotenoid metabolites were identified on the basis of their spectral (UV, FTIR, MS, NMR, CD) data: (4R)-4-hydroxy-2,6,6-trimethylcyclohex-1-enecarbaldehyde O-β-D-gentiobioside (1), (4R)-4-hydroxy-2,6,6-trimethylcyclohex-1-enecarboxylic acid O-β-D-glucopyranoside (2), 6-hydroxy-3-(hydroxymethyl)-2,4,4-trimethylcyclohexa-2,5-dienone 6-O-β-D-glucopyranoside (3), (2Z)-3-methylpent-2-enedioic acid 1-[1-(2,4,4-trimethyl-3,6-dioxocyclohexenyloxy)-O-β-D-glucopyranosid-6-yl] ester (4), (5S)-5-hydroxy-7,7-dimethyl-4,5,6,7-tetrahydro-3H-isobenzofuran-1-one O-β-D-glucopyranoside (5), (1R,5S,6R)-5-(hydroxymethyl)-4,4,6-trimethyl-7-oxabicyclo[4.1.0]heptan-2-one O-β-D-glucopyranoside (6), and (1R)- 3,5,5-trimethylcyclohex-3-enol O-β-D-glucopyranoside (7).

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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 A novel generation of optically active ethyl 4-chloro-3-hydroxybutyrate as a C4 chiral building unit using microbial dechlorination, published in 1996-11-08, which mentions a compound: 58081-05-3, mainly applied to microbial stereoselective dechlorination chlorohydroxybutyrate, Category: pyrrolines.

A novel procedure for the generation of optically active Et 4-chloro-3-hydroxybutyrate using bacterial cells was developed. Et (S)-4-chloro-3-hydroxybutyrate was prepared by Pseudomonas sp. OS-K-29, which stereoselectively assimilates 2,3-dichloro-1-propanol. The reaction was based on its kinetic dehalogenation for both enantiomers using the resting cells. The obtained 4-chloro-3-hydroxybutyrate had high enantiomeric excess of >98% with a yield of 33% at the microbial resolution step. Moreover, several C4 compounds having the 4-chloro-3-hydroxyl function were also resolved and gave good enantiomeric purities (>95% ee). Et (R)-4-chloro-3-hydroxybutyrate was also obtained with high enantiomeric purity (>98% ee) using the cells of Pseudomonas sp DS-K-NR818.

When you point to this article, it is believed that you are also very interested in this compound(58081-05-3)Category: pyrrolines and due to space limitations, I can only present the most important information.

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Pyrroline – Wikipedia,
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