68900-86-7Relevant academic research and scientific papers
Method for synthesizing cis-3-tetradecanoacetate and trans-3-tetradecanoacetate
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, (2019/08/01)
The invention discloses a method for synthesizing cis-3-tetradecanoacetate and trans-3-tetradecanoacetate. The method comprises the following steps: (1) preparing 3-tetradecyne alcohol-1; (2) preparing cis-3-tetradecenol-1; (3) preparing trans-3-tetradecenol-1; and (4) preparing the cis-3-tetradecanoacetate and trans-3-tetradecanoacetate. The method is used for synthesizing cis-3-tetradecanoacetate and trans-3-tetradecanoacetate which are main components of gyplure of holcocerus insularis Staudinger; the raw materials for reaction are easily obtained; the cost is low; technical processes are short; reaction conditions are mild; the operation is simple, convenient and free from risk; the product is easily separated; the yield is high; and massive production can be carried out.
Tandem IBX-Promoted Primary Alcohol Oxidation/Opening of Intermediate β,γ-Diolcarbonate Aldehydes to (E)-γ-Hydroxy-α,β-enals
Kumari, Anupama,Gholap, Sachin P.,Fernandes, Rodney A.
, p. 2278 - 2290 (2019/06/17)
A tandem IBX-promoted oxidation of primary alcohol to aldehyde and opening of intermediate β,γ-diolcarbonate aldehyde to (E)-γ-hydroxy-α,β-enal has been developed. Remarkably, the carbonate opening delivered exclusively (E)-olefin and no over-oxidation of γ-hydroxy was observed. The method developed has been extended to complete the stereoselective total synthesis of both (S)- and (R)-coriolides and d-xylo- and d-arabino-C-20 guggultetrols.
Short and stereoselective synthesis of (E)-3-alkenyl acetates, insect sex pheromone constituents of Lepidoptera; Gelechidae
Ragoussis, Valentine,Vamvaka, Ekaterini,Kolymbadi, Maria
, p. 398 - 399 (2007/10/03)
(E)-3-alkenyl acetates, which are insect sex pheromone constituents, have been prepared from linear saturated aldehydes, by a short three steps process, via the (E)-3-alkenoic acids and the corresponding (E)-3-alkenols, in good overall yield (60-65%) and high stereochemical purity (>99%).
Metal/Ammonia Reduction of Ethers of 3-Decyn-1-ol: Effects of Structure and Conditions on Cleavage and Rearrangement
Doolittle, Robert E.,Patrick, Delrea G.,Heath, Robert H.
, p. 5063 - 5066 (2007/10/02)
Reduction of the THP, ethyl, tert-butyl and tert-butyldimethylsilyl (TBDMS) ethers of 3-decyn-1-ol with sodium in ammonia/THF results in extensive hydrogenolysis of the carbon-oxygen bond and concomitant bond migration, producing a mixture of 2- and 3-decenes and a very low yield of the desired (E)-homoallylic ether.Reduction in the presence of 2-methyl-2-propanol led to excellent yields of the desired (E)-3-decenol ethers.The 4- and 5-decyn-1-ol ethers were reduced normally to the (E)-decen-1-ol ethers except in the case of the TBDMS ethers which were cleaved to the (E)-alcohols under some of the reaction conditions.
SYNTHESIS OF 3E-TETRADECENOL, 3E,9E-TETRADECADIENOL, AND THEIR ACETATES STARTING FROM ACETYLCYCLOPROPANE
Ivanova, N. M.,Cheskis, B. A.,Rubanova, E. V.,Yatsynin, V. G.,Moiseenkov, A. M.,Nefedov, O. M.
, p. 557 - 561 (2007/10/02)
Stereospecific synthesis of the linear E-olefins mentioned in the title was realized by a general scheme that was worked out earlier by the authors and which includes as key step homologization of the corresponding aliphatic pentakisnoraldehydes by means of trimethylsilyloxyvinylcyclopropane and ZnBr2-initiated rearrangement of the intermediate cyclopropylcarbinols under the influence of Me3SiBr.
