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10,297 Newest Publications in molecules

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Molecules, Vol. 15, Pages 1554-1561: Allelochemical, Eudesmane-Type Sesquiterpenoids from Inula falconeri

10-Mar-2010 | Khan, Abdul Latif ; Hussain, Javid ; Hamayun, Muhammad ; Kang, Sang-Mo ; Kim, Hak-Youn ; Watanabe, Kazuo N. ; Lee, I ..., Molecules, 2010

We have identified through bioassay guided isolation an allelochemical, eudesmane-type sesquiterpeniod, 3β-caffeoxyl-β1,8α-dihydroxyeudesm-4(15)-ene(1),from an endemic plant species growing in the Himalayas. In our search for the bioactive subfraction, the hexane one was highly significant, ...

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Molecules, Vol. 15, Pages 1531-1553: Vitamin K2 in Electron Transport System: Are Enzymes Involved in Vitamin K2 Biosynthesis Promising Drug Targets?

10-Mar-2010 | Kurosu, Michio ; Begari, Eeshwaraiah, Molecules, 2010

Aerobic and anaerobic respiratory systemsallow cells to transport the electrons to terminal electron acceptors. The quinone (ubiquinone or menaquinone) pool is central to the electron transport chain. In the majority of Gram-positive bacteria, vitamin K2 (menaquinone) is the sole quinone in the ...

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Molecules, Vol. 15, Pages 1513-1530: Thermal [4 + 2] Cycloadditions of 3-Acetyl-, 3-Carbamoyl-, and 3-Ethoxycarbonyl-Coumarins with 2,3-Dimethyl-1,3-butadiene under Solventless Conditions: A Structural Study

09-Mar-2010 | Flores-Larios, Irma Y. ; López-Garrido, Lizbeth ; Martínez-Martínez, Francisco J. ; González, Jorge ; García-Báez, E ..., Molecules, 2010

The thermal [4+2] cycloadditions of 3-acetyl-, 3-carbamoyl, and 3-ethoxycarbonylcoumarins with 2,3-dimethyl-1,3-butadiene under solvent free conditions are reported, as well as the epoxidation reactions of some adducts. Discussion is focused on the structural features of the Diels-Alder adducts ...

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Molecules, Vol. 15, Pages 1501-1512: Synthesis of a New Chiral Pyrrolidine

09-Mar-2010 | Flores, Mari Fe. ; Núñez, Marta G. ; Moro, Rosalina F. ; Garrido, Narciso M. ; Marcos, Isidro S. ; Iglesias, Enrique ..., Molecules, 2010

The synthesis of a new chiral pyrrolidine has been performed using 2,3-O-isopropylidene-D-erythronolactol as a suitable starting material.

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Molecules, Vol. 15, Pages 1487-1500: Pd(II)/HPMoV-Catalyzed Direct Oxidative Coupling Reaction of Benzenes with Olefins

09-Mar-2010 | Obora, Yasushi ; Ishii, Yasutaka, Molecules, 2010

The direct aerobic coupling reaction of arenes with olefins was successfully achieved by the use of Pd(OAc)2/molybdovanadophosphoric acid (HPMoV) as a key catalyst under 1 atm of dioxygen. This catalytic system could be extended to the coupling reaction of various substituted benzenes with ...

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Molecules, Vol. 15, Pages 1473-1486: Antioxidant Properties of Cap and Stipe from Coprinus comatus

09-Mar-2010 | Li, Bo ; Lu, Fei ; Suo, Xiaomin ; Nan, Haijuan ; Li, Bin, Molecules, 2010

Coprinus comatus, also called chicken drumstick mushroom, is currently commercially available in China. Hot water and ethanolic extracts were prepared from cap and stipe of C. comatus fruit bodies and their antioxidant properties were studied. Ethanolic extract from stipe showed high antioxidant ...

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Molecules, Vol. 15, Pages 1466-1472: Novel Oxidative Ring Opening Reaction of 1H-Isotelluro-chromenes to Bis(o-formylstyryl) Ditellurides

09-Mar-2010 | Sashida, Haruki ; Satoh, Hirohito ; Ohyanagi, Kazuo ; Kaname, Mamoru, Molecules, 2010

The oxidation of 1-unsubstituted or 1-phenyl-1H-isotellurochromenes with m-chloroperbenzoic acid (mCPBA) in CHCl3 resulted in a ring opening reaction to produce as the sole products the corresponding o-formyl or benzoyl distyryl ditellurides, which were also produced by the hydrolysis of the ...

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