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Propargylation of Alkyl Halides: (E)-6,10-dimethyl-5,9-undecadien-1-yne and (E)-7,11-dimethyl-6,10-dodecadien-2-yn-1-ol
(1990)
El siguiente documento es parte de un experimento científico que se titula “Propargylation of Alkyl Halides: (E)-6,10-dimethyl-5,9-undecadien-1-yne and (E)-7,11-dimethyl-6,10-dodecadien-2-yn-1-ol”. El mismo fue realizado ...
Estudio quimico de las hojas de tabernaemontana arborea rose
(1986)
From the leaves of Tabernaemontana arborea Rose (Apocynaceae) the triterpenoid lupeyl acetate and the indole alkaloids voacangine, 19 epivoacristine, vobasine and 19R-hydroxiconopharingine have been isolated and identified ...
Synthesis and antibacterial activity of Jacaranone and ester side chain analogs
(1991)
Jacaranone and several novel ester side chain derivatives have been synthesized and tested for antibacterial activity. The syntheses of these compounds involved the convenient lithium enolate ester adition to p-benzoquinone. ...
Una nueva ruta para la sintesis de la feromona sexual de la polilla de la papa, Scrobipalpopsis solanivora
(1996)
Acetato de (E)-3-dodecenilo, principal componente de feromona de Scrobipal-popsis solanivora, se preparó con un rendimiento total del 61 %. El precursor, 3-dodecin-1-ol, se preparó en el paso de un recipiente mediante la ...
Homopropargyl alcohol 1,1-diphenylbut-3-yn-1-ol
(2018)
The asymmetric unit of the title compound, C16H14O, contains one molecule with a central carbon atom having a distorted tetrahedral geometry made of a propargylic fragment, a hydroxy group and two aromatic rings. ...
1-Nitro-4-(1-propyn-1-yl)benzene
(2019)
The title compound, C9H7NO2, was prepared by alkynylation of 4-iodonitrobenzene with 1,3-dilithiopropyne in the presence of 1 equivalent of CuI and catalytic amounts of Pd(PPh3)2Cl2. The complete molecule is generated ...
Crystal structures and biological activity of 1,1,4-triphenyl-substituted 1,3-enyne compounds
(2019)
1,3-Enyne structural motifs are versatile building blocks in organic synthesis and
occur widely in various natural products with many of them being highly active
as cytotoxic macrolides and antitumour antibiotics. This ...
Homopropargyl alcohol 5,5-diphenylpent-2-yne-1,5-diol
(2018)
In the title compound, C17H16O2, the central carbon atom has a distorted tetrahedral geometry [spread of angles = 105.71 (8)–112.75 (9)°] for its bonds to a homopropargylic but-2-yn-1-ol moiety, a hydroxy group and two ...
Derivados del colesterol en el alga roja Laurencia papillosa (Forssk.) Grev.
(1991)
La gran mayoría de las algas de la división Rhodophyta contienen colesterol como el contribuye esteroidal C27 mayoritario a pesar de que en algunas especies el desmosterol es el que se encuentra en cantidades apreciables, ...
1,1-Diphenyl-4-(thiophen-2-yl)but-3-yn-1-ol
(2018-11)
The asymmetric unit of the title homopropargyl alcohol, C20H16OS, contains two independent molecules comprising a hydroxy group, a 3-(2-thiophenyl)- propargylic moiety and two aromatic rings linked to a central carbon atom. ...