Results 11 to 20 of about 9,393 (260)
PdII-Catalyzed Cyclization of 1-Cyclopropyl-2-propynyl Acetates
PdCl2(MeCN)2 catalyzes the cyclization of 1-cyclopropyl-2-propynyl acetates to 3-methyl-1,4-cyclopentadienyl acetates, which are cleaved in situ to 2-cyclopentenones.
Valentin Rautenstrauch
doaj +2 more sources
Sisal cellulose acetates obtained from heterogeneous reactions
In the present work, cellulose obtained from sisal, which is a source of rapid growth, was used. Cellulose acetates were produced in heterogeneous medium, using acetic anhydride as esterifying agent and iodine as catalyst, to check if the procedure ...
doaj +2 more sources
Vaping Cannabinoid Acetates Leads to Ketene Formation [PDF]
Delta-8 THC acetate is a relatively new psychoactive cannabis product that is available online and in vape shops across the US since it is currently unregulated.
Kaelas, Munger +2 more
core +3 more sources
The structural parameters of the rare-earth diacetate halide trihydrates, RE(OAc)2Hal·3H2O with RE = Ce − (Pm) − Lu and Hal = Cl, Br, have been determined by low temperature, high-resolution SCXRD in order to examine the effect of lanthanide contraction ...
Hans Reuter +3 more
doaj +1 more source
The homogeneous acetic acid synthesis-type Ru–Co–Li/N-methylpyrrolidone catalyst for CO and H2 transformations has been studied at moderately high pressures. For 1CO:2H2, low acetic acid selectivity has been observed, along with remarkable methyl acetate
Anton Lvovich Maximov +3 more
doaj +1 more source
Triterpenoids exist in a free state and/or in conjugated states, such as triterpene glycosides (saponins) or triterpene esters. There is no information on the enzyme participating in the production of triterpene esters from free triterpenes.
Han Suk Choi +3 more
doaj +1 more source
The title compound, C(21)H(29)ClO(3) [systematic name (8R,9S,10R,13S,14S,17S)-4-chloro-3-oxoandrost-4-en-17β-yl acetate], is a 4-chloro derivative of testosterone, used as an anabolic androgenic agent or applied topically in ophthalmological and dermatological treatments. The absolute configurations at positions 8, 9, 10, 13, 14 and 17 were established
E. Maccaroni +3 more
openaire +4 more sources
CELLULAR CYTOGENETIC STUDY FOR TREATED ROLE OF SELENIUM AND OLIVE OIL AS AN-ANTIOXIDANTS AGAINST LEAD POISONING IN FEMALES MICE BONE MARROW CELLS [PDF]
The present study was designed to investigate the cellular cytogenetic effect of lead poisoning and the therapeutic role of selenium and olive oil as an antioxidant in mouse bone marrow cells.
a .J. AL-Khalid Majdy .F. Majeed Adel. J. Hussein +1 more
doaj +1 more source
The occurrence of polyisoprenoids in the leaves of Sterculia rupestris Benth [PDF]
Polyisoprenyl acetates with an av. no. of isoprene residues of 9-12 were isolated from the leaves of Sterculia rupestris Benth. (Sterculiaceae). Spectroscopic anal.
E. Desoky, D. Bishay
doaj +1 more source
The iron-catalyzed [4 + 2] annulation of α,β-unsaturated ketoxime acetates with enaminones has been developed, providing efficient access to highly substituted pyridines in moderate to good yields.
Jindian Duan +7 more
doaj +1 more source

