Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Gurram Mahender"'
Publikováno v:
ARKIVOC, Vol 2005, Iss 3, Pp 27-35 (2004)
Externí odkaz:
https://doaj.org/article/78be0dfe8bb843a688a372e170764d40
Publikováno v:
Helvetica Chimica Acta. 89:876-883
A simple and convenient synthesis of five important insect pheromones by means of Baylis–Hillman adducts is described, i.e., of (2E,4S)-2,4-dimethylhex-2-enoic acid (1), a mandibular-gland secretion of the male carpenter ant in the genus Camponotus
Autor:
Katta Venkateswarlu, Madamanchi Geethangili, C. Ramesh, Gurram Mahender, Krishnan Ravikumar, Yerra Koteswara Rao, Biswanath Das, Yew-Min Tzeng
Publikováno v:
Helvetica Chimica Acta. 89:285-290
Two new pseudoguaianolide-type sesquiterpene lactones, named deacetyltetraneurin A (3) and hysterone E (4), were isolated from flowers of the plant Parthenium hysterophorus L., along with the seven known compounds parthenin (1), coronopilin, tetraneu
Autor:
Huntley, Raymond J., Gurram, Mahender, Walker, Joel R. ⁎, Jenkins, David M., Robé, Emmanuel J., Ahmed, Feryan
Publikováno v:
In Tetrahedron Letters 2 April 2014 55(14):2286-2289
Publikováno v:
Tetrahedron Letters. 45:7347-7350
Treatment of aldoximes with activated alkenes in the presence of diacetoxy iodobenzene (DIB) afforded isoxazolines in high yields. The method has been applied for the preparation of polyfunctional isoxazolines from Baylis–Hillman adducts.
Publikováno v:
ARKIVOC, Vol 2005, Iss 3, Pp 27-35 (2004)
Publikováno v:
Phytochemistry. 65:2387-2390
Three deoxypreussomerins, palmarumycins CP1, JC1 and JC2, have been isolated from a collection of the stems of Jatropha curcas. The second and third compounds are antibacterial constituents which were characterized from spectral evidence. The X-ray c
Publikováno v:
Tetrahedron. 59:1049-1054
Ammonium acetate was found to catalyze efficiently the selective deprotection of aromatic acetates in the presence of various sensitive functionalities in aqueous methanol under neutral conditions at room temperature to yield the corresponding phenol
Publikováno v:
Synthesis. :1572-1574
Treatment of 2-allyloxybenzaldoximes with diacetoxy-iodobenzene (DIB) in CH 2 Cl 2 at 0 °C to room temperature for 1 hour afforded 3a,4-dihydro-3H-chromeno[4,3-c] isoxazoles in high yields. The method has been extended to the preparation of furopyra
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 61:o121-o123
The title compound, C15H24O5, was isolated from the flowers of Parthenium hysterophorus. The crystal structure determination confirms the relative stereochemistry unambiguously. The packing is stabilized by O—H⋯O hydrogen bonding.