69830-92-8

Usage

Uses

Used in Flavor and Fragrance Industry:
(S)-4-Dodecanolide Standard for GC is used as a flavor and fragrance ingredient for its sweet odor and ability to enhance the scent of various products.
Used in Gas Chromatography Analysis:
(S)-4-Dodecanolide Standard for GC is used as a reference compound in GC analysis to accurately identify and quantify similar compounds in a sample. This standardization helps ensure the accuracy and reliability of analytical results in various industries.

Upstream product

• 16899-07-3 (±)-4-hydroxydodecanoic acid 
• 25047-67-0 n-heptyllithium 
• 58879-33-7 (R)-(-)-γ-<(tosyloxy)methyl>-γ-butyrolactone 
• 126875-01-2 2-(1-Bromo-octyl)-tetrahydro-furan 
• 139126-67-3 4-Hydroxy-dodecanoic acid propyl ester 
• 92721-03-4 (S)-2-Methoxy-5-octyl-tetrahydro-furan 
• 2404-44-6 1,2-Epoxydecane 
• 105-53-3 diethyl malonate 
• 638-26-6 10-hydroxystearic acid 
• 57084-18-1 gamma-dodecalactone 
• 17756-68-2 5-octyl-5H-furan-2-one 
• 4144-55-2 4-oxododecanoic acid 
• 39728-27-3 (±)-1-phenylundecan-3-ol 
• 1609384-21-5 (S)-(-)-3-acetoxy-1-phenylundecane 

Relevant academic research and scientific papers

MODIFIED AMINE LIPIDS

The disclosure provides ionizable amine lipids and salts thereof (e.g., pharmaceutically acceptable salts thereof) useful for the delivery of biologically active agents, for example delivering biologically active agents to cells to prepare engineered cells. The ionizable amine lipids disclosed herein are useful as ionizable lipids in the formulation of lipid nanoparticle-based compositions.

Diastereo- and Enantioselective Synthesis of (E)-δ-Boryl-Substituted anti-Homoallylic Alcohols in Two Steps from Terminal Alkynes

We report the highly diastereo- and enantioselective preparation of (E)-δ-boryl-substituted anti-homoallylic alcohols in two steps from terminal alkynes. This method consists of a cobalt(II)-catalyzed 1,1-diboration reaction of terminal alkynes with B2pin2 and a palladium(I)-mediated asymmetric allylation reaction of the resulting 1,1-di(boryl)alk-1-enes with aldehydes in the presence of a chiral phosphoric acid. Propyne, which is produced as the byproduct during petroleum refining, could be used as the starting material to construct homoallylic alcohols that are otherwise difficult to synthesize with high stereocontrol.

Chiral Surfactant-Type Catalyst: Enantioselective Reduction of Long-Chain Aliphatic Ketoesters in Water

A series of amphiphilic ligands were designed and synthesized. The rhodium complexes with the ligands were applied to the asymmetric transfer hydrogenation of broad range of long-chained aliphatic ketoesters in neat water. Quantitative conversion and excellent enantioselectivity (up to 99% ee) was observed for α-, β-, γ-, δ- and ε-ketoesters as well as for α- and β-acyloxyketone using chiral surfactant-type catalyst 2. The CH/π interaction and the strong hydrophobic interaction of long aliphatic chains between the catalyst and the substrate in the metallomicelle core played a key role in the catalytic transition state. Synergistic effects between the metal-catalyzed site and the hydrophobic microenvironment of the core in the micelle contributed to high stereoselectivity. (Chemical Equation Presented).

Cyclodextrin-based ionic liquids as enantioselective stationary phases in gas chromatography

New permethylated mono-6-deoxy-6-pyridin-1-ium and mono-6-deoxy-6-(1-vinyl- 1H-imidazol-3-ium)-α- and -β-cyclodextrin trifluoromethanesulfonate ionic liquids were synthesized from the corresponding permethylated mono-6-hydroxycyclodextrins in a one-pot reaction and solvent-free procedure. Regioselective transformation of native α- and β-cyclodextrins with the use of a bulky tert-butyldiphenylsilyl protecting group afforded the desired 6-monosubstituted permethylated cyclodextrin derivatives in moderate yields. The new ionic liquids were tested as stationary phases in capillary GC columns towards chiral discrimination in enantio-GC analysis of racemic mixtures. The permethylated 6-deoxy-6-pyridin-1-ium-α-cyclodextrin trifluoromethanesulfonate displayed good enantiomeric separations for some racemic esters and lactones, as well as epoxides. In particular, for both the racemic whiskey lactone and the high boiling point menthyl laurate, not successfully separated in a commercial cyclodextrin phase, the enantiomeric separations were achieved isothermally at 140 °C. In phase: Permethylated mono-6-hydroxy-α- and -β-cyclodextrins react with pyridine or 1-vinylimidazole in the presence of triflic anhydride in a solvent-free procedure to yield new roomerature ionic liquids (ILs). These ILs have been used as stationary phases in gas chromatography; enantiomeric separations are achieved (see figure for whiskey lactone) with permethylated mono-6-deoxy-6-(pyridin-1-ium)-α-cyclodextrin trifluoromethanesulfonate. Copyright

Enantioselective transesterification of (±)1phenylundecan-3-ol catalyzed by the lipase from Burkholderia cepacia

Enantiomerically enriched (R) and (S)-1-phenylundecan-3-ols were obtained by kinetic resolution of the racemate with vinyl acetate in ButOMe at 20 °C using the lipase from Burkhold eria cepacia. The absolute configuration of the enantiomers was

Synthesis of optically active heterocyclic compounds via deracemization of 1,2-diol monotosylate derivatives bearing a long aliphatic chain by a combination of enzymatic hydrolysis with Mitsunobu inversion

We have succeeded in accomplishing the deracemization of (±)-2-acetoxydecyl and (±)-acetoxy-6-benzyloxyhexyl tosylates, which have a long substituent, via an enzyme-mediated enantioselective hydrolysis with a Mitsunobu inversion using polymer-supported triphenylphosphine to afford the corresponding (S)-enantiomer. Enantiomerically pure (S)- and (R)-γ-dodecalactones, a fruit flavor, were synthesized from (S)-2-acetoxydecyl tosylate as the mutual starting material. The poisonous alkaloid (S)-coniine was also synthesized using enantiomerically pure allyl amine as the key intermediate derived from (S)-acetoxy-6-benzyloxyhexyl tosylate.

Combination of novozym 435-catalyzed hydrolysis and mitsunobu reaction for production of (r)γ-lactones

Chiral-lactones of both enantiomers were synthesized with more than 90% optical purities. The key step was Novozym 435-catalyzed hydrolysis of racemic N-benzyl-4-acetoxyalkylamides. Additionally, because (R)-γ-lactones are predominant in apricot, mango, peach, passion fruit, and strawberry, synthesis was attempted using only one enantiomer selectively. The (R)-enantimer was synthesized with more than 80% total yield and more than 90% optical purity by a combination of Novozym 435-catalyzed hydrolysis and the Mitsunobu reaction. Copyright

Synthesis of (S)-γ- lactones with a combination of lipase-catalyzed resolution and mitsunobu reaction

Six kinds of (S) - lactones [e.g., (S) - decalactone, (S) - undecalactone, and (S) - jasmolactone] were synthesized with 71-88% yields and 97% optical purities by combining lipase-catalyzed resolution with the Mitsunobu reaction. Copyright Taylor & Francis Group, LLC.

Ligand effects in aluminium-catalyzed asymmetric Baeyer-Villiger reactions

Asymmetric Baeyer-Villiger oxidations of racemic and prochiral cyclobutanones can be performed with chiral aluminium-based Lewis acids resulting in products with good enantioselectivities in high yields. By employing substituted BINOL derivatives as ligan

Lactone synthesis via biotransformations of γ-hydroxyamides

An enzyme was expressed in E. coli from a cloned amidase gene. When characterized, it was more enantioselective than commercial amidases. Three pheromones were made. An enzyme was expressed in Escherichia coli from a cloned amidase gene. When characterized, it was more enantioselective than commercial amidases. Three pheromones were made using this biotransformation chemistry.