Results 121 to 130 of about 12,662 (287)

Red-Light Triggered Photouncaging from Dicyanomethylene-4H-pyran Phototrigger in Aqueous Solution: Applied as a Single Component Nano-Drug Delivery System for Cancer Therapy [PDF]

, 2021
Biswajit Roy, Rakesh Mengji, Moumita Kundu, Sujit Kumar Ghosh, Mahitosh Mondal, Avijit Jana, N. D. Pradeep Singh   +6 more
openalex   +1 more source

Photolysis at long wavelengths of amino acid ester derivatives based on 4-methyl-6-methoxy-2-oxo-2H-naphtho[1,2-b]pyrans [PDF]

, 2011
Ester derivatives of fused 4-methyl-6-methoxy-2-oxo-2H- naphtho[1,2-b]pyran, using valine and phenylalanine as model bifunctional molecules were synthesised, to assess its applicability as a photocleavable protecting group, for solution phase organic ...
Costa, Susana P. G., Gonçalves, M. Sameiro T., Hungerford, Graham, Piloto, Ana M., Soares, Ana M. S.   +4 more
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Cleavages of photochromic compounds derived from heterocycles under electrospray tandem mass spectrometry : study of the influence of the heteroatom in fragmentation mechanisms [PDF]

, 2010
In this paper we report the fragmentation pathways of chromenes derived from carbazole, dibenzofuran and dibenzothiophene, under ESI-MS/MS experimental conditions, and their relationship with structural features, specially focused on the heteroatom’s ...
Campos, Ana M. F. Oliveira, Domingues, M. R. M., Domingues, Pedro, Oliveira, M. Manuel, Peixoto, Francisco, Reis, A.   +5 more
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Synthesis of spiroindenopyridazine-4H-pyran derivatives using Cr-based catalyst complexes supported on KCC-1 in aqueous solution

, 2018
Rahele Zhiani, Seyed Mohsen Sadeghzadeh, Shokufe Emrani   +2 more
openalex   +2 more sources

RIFM fragrance ingredient safety assessment, 3,6-dihydro-4-methyl-2-phenyl-2H-pyran, CAS Registry number 60335-71-9

, 2020
A.M. Api, D. Belsito, S. Biserta, D. Botelho, M. Bruze, G.A. Burton, J. Buschmann, M.A. Cancellieri, M.L. Dagli, M. Date, W. Dekant, C. Deodhar, A.D. Fryer, S. Gadhia, L. Jones, K. Joshi, A. Lapczynski, M. Lavelle, D.C. Liebler, M. Na, D. O’Brien, A. Patel, T.M. Penning, G. Ritacco, F. Rodríguez-Ropero, J. Romine, N. Sadekar, D. Salvito, T.W. Schultz, F. Siddiqi, I.G. Sipes, G. Sullivan, Y. Thakkar, Y. Tokura, S. Tsang   +34 more
openalex   +1 more source

Antiproliferative polyketides from fungus Xylaria cf. Longipes SWUF08-81 in different culture media

Natural Products and Bioprospecting
Bioactive compounds from the wood-decay fungus Xylaria cf. longipes SWUF08-81, cultivated in three different culture media (GM, YM and PDB), were isolated.
Kittiwan Sresuksai, Sasiphimol Sawadsitang, Phongphan Jantaharn, Pakin Noppawan, Audomsak Churat, Nuttika Suwannasai, Wiyada Mongkolthanaruk, Thanaset Senawong, Sarawut Tontapha, Pairot Moontragoon, Vittaya Amornkitbamrung, Sirirath McCloskey   +11 more
doaj   +1 more source

A Novel Synthesis of C-Nucleosides Having Pyrrolo[1,2-f]pteridine, 6- and 8-Deazapyrrolo[1,2-f]pteridine Ring Systems from 6-Hydroxy-6-(2,3,5-tri-O-benzoyl-b-D-ribofuranosyl)-2H-pyran-3(6H)-one

, 1998
Isamu Maeba, Natsu Nishimura, Yoshitada Hasegawa, Souhei Mizuno, Misa Yuasa   +4 more
openalex   +1 more source

Reaction of 2,4,6-Trimethylpyrylium Salt with Organocopper Reagents: Selective Synthesis of 4H-Pyrans

, 1987
Kin‐ya Akiba, Yohsuke Yamamoto, Takashi Kume, Kin‐ya Akiba   +3 more
openalex   +1 more source

Towards the understanding of the photochemical ring opening and closing mechanisms for spiropyrans using 2H-pyran and the maximum overlap method [PDF]

, 2013

core   +1 more source

production of bio fuel from pyrolysis of Jatropha seed [PDF]

, 2013
Bio-energy is now accepted as having the potential to provide the major part of the projected renewable energy provisions of the future. Though there are many conversion processes like pyrolysis, gasification, combustion and liquefaction, pyrolysis has ...
Sethi , Siba Sankar
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