Zobrazeno 1 - 10
of 572
pro vyhledávání: '"Wittig olefination"'
Publikováno v:
Results in Chemistry, Vol 8, Iss , Pp 101585- (2024)
A simple and efficient stereo selective synthesis of 14-membered Benzannulated macrolactone, Greensporone C has been accomplished in 6.2% overall yield from inexpensive and commercially available starting materials. This convergent synthesis employs
Externí odkaz:
https://doaj.org/article/640b0b29c4434a4e9a1d1ed7330f39e6
Publikováno v:
ChemistryOpen, Vol 13, Iss 3, Pp n/a-n/a (2024)
Abstract Herein, DFT studies corroborating experimental results revealed that the shortest intramolecular hydrogen bonding distance of cis/trans‐oxaphosphetane (OPA) oxygen with the CH‐hydrogen of a triphenylphosphine phenyl ring provides good ev
Externí odkaz:
https://doaj.org/article/72c5364786b84bdbb9072ae77a144d6f
Autor:
Udayasri Allu, Chandrasekhar Manchikanti M., Naga Brahmeswararao M.V., Varanasi Ganesh, Ramakrishna Duggirala S.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 88, Iss 1, Pp 1-9 (2023)
The present work reports the synthesis of three new nitrogen-containing heteronuclear molecules (two pyrimidines and one pyrrolopyrimidine). Based on the 12 principles of green chemistry, chemical methodologies are planned and executed. Various phase
Externí odkaz:
https://doaj.org/article/1bdde7baa8e8429ba30a2bea02bf4173
Autor:
Farkas Sándor, Benedeković Goran, Stanisavljević Slađana M., Srećo-Zelenović Bojana M., Popsavin Mirjana, Popsavin Velimir, Jakimov Dimitar S.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 88, Iss 7-8, Pp 705-713 (2023)
(5R)-Cleistenolide and a few related analogues have been synthesized starting from d-glucose. The key steps of the synthesis included a Z-selective Wittig olefination and an intramolecular Mitsunobu reaction with an inversion of configuration at the
Externí odkaz:
https://doaj.org/article/23cda8542b13451abbed96b0e929ec30
Publikováno v:
Molecules, Vol 29, Iss 2, p 501 (2024)
Wittig olefination at hetero-benzylic positions for electron-deficient and electron-rich heterocycles has been studied. The electronic effects of some commonly used protective groups associated with the N-heterocycles were also investigated for alken
Externí odkaz:
https://doaj.org/article/d943c65265164268bc6a0d6f94887db5
Publikováno v:
BMC Research Notes, Vol 15, Iss 1, Pp 1-4 (2022)
Abstract Objective Synthesis of novel aromatic Lipoxin A4 lactone analogues. Results Novel para-substituted aromatic lactone analogues of Lipoxin A4 have been synthesized in a convergent manner with six steps in the longest linear sequence in 12–13
Externí odkaz:
https://doaj.org/article/a6d3f72a49804c4c93892461acc0b6a7
Autor:
Srećo-Zelenović Bojana, Grabež Sanja, Popsavin Mirjana, Kojić Vesna, Francuz Jovana, Popsavin Velimir
Publikováno v:
Journal of the Serbian Chemical Society, Vol 85, Iss 12, Pp 1539-1551 (2020)
Several (+)-goniofufurone analogues with simplified structures were designed, synthesized and evaluated for their in vitro antitumour activity, against a panel of human tumour cell lines. Dephenylated compounds 2 and 3 demonstrated remarkable antitum
Externí odkaz:
https://doaj.org/article/11e9aacaf7f240e3a8c9463d0f75444b
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