Browsing by Author "62109364-8a9f-479b-a890-85ead66bbb9f"
Now showing items 1-6 of 6
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Areche, Carlos; Sepúlveda, Beatriz; Martin, Aurelio San; García Beltrán, Olimpo; Simirgiotis, Mario J.; Cañete, Alvaro (Royal Society of Chemistry, 2014)Four new mulinane-type diterpenoids besides the known compounds mulin-11,13-dien-20-oic acid, 13α-hydroxyazorellane, 13β- hydroxyazorellane, mulinolic acid, azorellanol, and mulin-11,13-dien-18-acetoxy- 16,20-dioic acid ...
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Márquez, Amelia; Saitz Barría, Claudio; Cañete, Alvaro; Rodríguez, Hernán; Jullian Matthaei, Carolina (1998)The 1H and 13C NMR spectra of 2-phenyl-3H-naphtho[2,1-b][1,4]oxazin-3-one, 2-p-methoxyphenylnaphtho[1,2-d]oxazole and 2-phenylnaphtho[1,2-d]oxazole were totally assigned using a combination of one-and two-dimensional NMR ...
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Saitz Barría, Claudio; Rodríguez, H.; Márquez, Amelia; Cañete, Alvaro; Jullian Matthaei, Carolina; Zanocco Loyola, Antonio (MARCEL DEKKER INC, 2001)A method that allows the synthesis of 4 different heterocyclic systems of fused aryl oxazoles, i.e., naphtho[1,2-d], naphtho[2,1-d], naphtho[2,3-d], and benzo[d]oxazoles in reasonable yield is del scribed. This method ...
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De la Fuente, Julio; Aliaga, Christian; Poblete, Cristian; Zapata, Gerald; Jullian Matthaei, Carolina; Saitz Barría, Claudio; Cañete, Alvaro; Kciuk, Gabriel; Sobarzo Sánchez, Eduardo; Bobrowski, Krzysztof (2009)Photoreduction of oxoisoaporphine (OIA) (l-aza-benzo-[de]anthracen-7-one) and its 5-methoxy (5-MeOOIA) derivative by selected amines (two non-a-hydrogen-donating amines (l,4-diaza[2.2.2]-bicyclooctane (DABCO) and ...
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Ormazábal Toledo, Rodrigo; Castro, Enrique A.; Santos, José G.; Millán, Daniela; Cañete, Alvaro; Contreras Ramos, Renato; Campodónico, Paola R. (2012)In nucleophilic substitution reactions at carbonyl centres, there are two possible channels. The first one occurs when the attack of nucleophilic agents takes place simultaneously with the departure of the nucleofuge. This ...
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Quiroga, Jairo; Hormaza, Angelina; Insuasty, Braulio; Saitz Barría, Claudio; Jullian Matthaei, Carolina; Cañete, Alvaro (HeteroCorporation, 1998)A series of pyrazolo[1,5-a]pyrimidin-3-ones 3 was prepared from Meldrum's acid and 5-amino-3-arylpyrazoles 1 by cyclization in nitrobenzene of the corresponding 5-pyrazolylaminomethylene Meldrum's acid derivatives 2. The ...