38146-95-1Relevant academic research and scientific papers
CYP505E3: A Novel Self-Sufficient ω-7 In-Chain Hydroxylase
Maseme, Mpeyake Jacob,Opperman, Diederik Johannes,Pennec, Alizé,Smit, Martha Sophia,van Marwijk, Jacqueline
supporting information, p. 10359 - 10362 (2020/04/23)
The self-sufficient cytochrome P450 monooxygenase CYP505E3 from Aspergillus terreus catalyzes the regioselective in-chain hydroxylation of alkanes, fatty alcohols, and fatty acids at the ω-7 position. It is the first reported P450 to give regioselective in-chain ω-7 hydroxylation of C10–C16 n-alkanes, thereby enabling the one step biocatalytic synthesis of rare alcohols such as 5-dodecanol and 7-tetradecanol. It shows more than 70 percent regioselectivity for the eighth carbon from one methyl terminus, and displays remarkably high activity towards decane (TTN≈8000) and dodecane (TTN≈2000). CYP505E3 can be used to synthesize the high-value flavour compound δ-dodecalactone via two routes: 1) conversion of dodecanoic acid into 5-hydroxydodecanoic acid (24 percent regioselectivity), which at low pH lactonises to δ-dodecalactone, and 2) conversion of 1-dodecanol into 1,5-dodecanediol (55 percent regioselectivity), which can be converted into δ-dodecalactone by horse liver alcohol dehydrogenase.
Lithium aluminum hydride-aluminum hydride reduction of sultones
Smith, Michael B.,Wolinsky, Joseph
, p. 101 - 106 (2007/10/02)
Lithium aluminum hydride-aluminum hydride reduction of secondary and tertiary (C-O) substituted γ-sultones or α-alkyl-β'-hydroxy γ-sultones yields mercapto alcohols and mercapto diols, respectively, in fair to good yield.These products result from S-O cleavage of the sultone ring.Primary sultones and α-dialkyl-β'-hydroxy γ-sultones give predominantly C-O cleavage to form sulfonic acid derivatives. β-Sultones are much less reactive toward the mixed hydride, and refluxing in dioxane is required for their reduction.
