KSIĄŻKI POWIĄZANE ZE SŁOWEM «PYRONE»
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John A. Joule, Keith Mills. 0M5 0 0H " _ MEQSUg f '| & 1 1 fl. [ 11111110505 O" 0
0”“ 1:10; With bromine, 2-pyrone forms an unstable adduct that gives the
substitution product 3-bromo-2-pyrone on warming,40 however this can also be ...
John A. Joule, Keith Mills, 2013
2
CRC Handbook of Data on Organic Compounds
... 2-Pyrone: 24044 a-Pyrone: 24044 4-Pyrone: 24043 Y-Pyrone: 24043 2-Pyrone
, 6-butyl-5,6-dihydro-5-methyl: 24046 a-Pyrone-5-carboxylic acid: 24005 Y-
Pyrone-2,&<ucarboxylic acid: 24016 2-Pyrone, 5,6-dihydrc-6-propyl: 24049 2-
Pyrone, ...
David R. Lide, G.W.A. Milne, 1993
3
Polymeric Materials Encyclopedia, Twelve Volume Set
R R m > 6, m < 2 (CH2)n poly(2-pyrone) and six-membered rings. On the other
hand, 3,10- tridecadiyne (m = 5) gives the corresponding bicyclic 2-pyrone only
in low yield on account of difficult formation of a seven-membered ring.
4
Advances in Cycloaddition
In the initial report by Garst on the intramolecular thermally induced pyrone—
alkene cycloadditions, it is mentioned that substrate 54, which failed to cyclize
under simple thermolysis, did undergo cycloaddition to give 99 when refluxed in
...
5
Handbook of Data on Common Organic Compounds
... 6031 y-Pyrone: 10772 2-Pyrone: 10771 4-Pyrone: 10772 a-Pyrone: 10771 a-
Pyrone-5-carboxylic acid: 10756 y-Pyrone-2,6-dicarboxylic acid: 10759 4-Pyrone
, 2,6-dimethyl: 10775 2-Pyrone, 4,6-dimethyl: 10776 2-Pyrone, 3-hydroxy: 10777
...
David R. Lide, G.W.A. Milne, 1995
6
Bioinorganic Tools and Zinc Selective Inhibitors for Matrix ...
To this end, 3,2-pyrone, 3,4- pyrone, and tropolone were combined with [(Tp Ph,
Me)ZnOH]4,13 in a mixture of CH2Cl2 and MeOH to generate the resulting [(Tp
Ph,Me)Zn(L)] complexes.35 The complexes were isolated by recrystallization of ...
Besides the fundamental work on the photochemistry of unsubstituted a-pyrone
already referred to in this review,14 several ... like 4,6-dimethyl-a-pyrone,48
methyl 2-pyrone-5-carboxylate (5-methyl coumalate),49 coumarin,50 thio-pyrone
and ...
Iain Dunkin, Angelo Albini, 2009
8
Class 3.1 Hydrolases IV: EC 3.1.1 - 3.1.2
2-Pyrone-4,6-dicarboxylate. lactonase. 3.1.1.57. 1 Nomenclature EC number 3.1.
1.57 Systematic name 2-pyrone-4,6-dicarboxylate lactonohydrolase
Recommended name 2-pyrone-4,6-dicarboxylate lactonase Synonyms lactonase
, ...
Dietmar Schomburg, Ida Schomburg, Antje Chang, 2002
9
Greenhouse Gas Carbon Dioxide Mitigation: Science and Technology
In more recent work, the cycloaddition of CO2 to propyne to form 4,6-dimethyl-2-
pyrone, as well as 1,3,5- and 1,2,4-trimethylbenzene was achieved by Pillai et al.
using Ni, Pd, and Rh metal complexes as catalysts:128'129 CO2 The pyrone ...
Martin M. Halmann, Meyer Steinberg, 1998
Curcumin also inhibits the secretion of mucus in mammalian lungs and may be
useful in treatment of the symptoms of asthma and cystic fibrosis. Pyrone
Synthases The pyrone synthases are another type of polyketide synthase with
restricted ...
Florence Gleason, Raymond Chollet, 2011
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PYRONE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
pyrone w wiadomościach.
Reverse Mitochondrial Damage
Shilajit contains two primary components, fulvic acid and DBPs (dibenzo-a-pyrones). Fulvic acid independently stimulates mitochondrial energy metabolism, ... «ProHealth, Paz 14»
巴西女孩：法轮功炼功场面充满爱
法轮功炼功场面充满爱〞，工作在苏比尔曼公园附近的黑人青年Pyrone如是说。Pyrone也是路过此处，当他看到法轮功学员在举行大型炼功活动，便驻足观看并拍照。 «NTDTV, Paz 14»
Why riders are confused about positive dope tests
The aroma of the new-mown crop, which intensifies as drying increases, is an indication that coumarin (benzo-alpha pyrone) is being formed. The highest ... «Horsetalk, Lis 13»
Three-Step Strategy to Reverse Mitochondrial Aging
Islam A, Ghosh R, Banerjee D, Nath P, Mazumder U, Ghosal S. Biotransformation of 3-hydroxydibenzo-pyrone into 3,8 dihydroxydibenzo-pyrone and aminoacyl ... «ProHealth, Sie 13»
第一篇Nature Chemical Biology 终于online!
第三，首次报道了arylsulfate sulfotransferase的天然磺酸基供体，type III PKS催化合成的Pyrone衍生物可以作为前体合通过一个以前未知的磺酸基转移酶合成磺酸基 ... «科学时报, Sie 13»
Kommunikationsweg zwischen Bakterien entdeckt
Der LuxR-Rezeptor erkenne nicht AHLs, sondern die alpha-Pyrone als Signalmoleküle, die als Photopyrone bezeichnet werden. Diese Kommunikation führe ... «Deutsche Gesundheits Nachrichten, Lip 13»
Novel bacterial 'language' discovered
It turns out that a LuxR solo of this bacterium responds to compounds called alpha-pyrones, specifically to photopyrones. Furthermore, the researchers have ... «Phys.Org, Lip 13»
Kommunikation von Bakterien führt zu Infektionen
Der LuxR-Rezeptor erkennt in diesem Fall nicht AHLs, sondern andere Signalmoleküle, die alpha-Pyrone. Zusätzlich entdeckten die Forscher das dazu ... «Laborpraxis, Lip 13»
Mollusk medicine
The new pyrone compound appears to be a valuable find, but not in the way researchers initially hoped. When Haygood and Schmidt discovered the compound, ... «Scienceline, Mar 13»
SCCS puts forward draft opinion on cosmetic chemicals for comment
Kojic acid (5-hydroxy-2-hydroxymethyl-4-pyrone) is used in cosmetic products as a skin lightener. In its research, the SCCS studied the available data which ... «CosmeticsDesign-Europe.com, Lip 12»
