نتایج جستجو برای: mitsunobu

تعداد نتایج: 201  

Journal: :Chemical communications 2002
Dolores Caras-Quintero Peter Bäuerle

Using the Mitsunobu reaction as a key step, a general and efficient method for the synthesis of EDOT monomers has been developed. Novel substituted EDOTs and the first chiral derivatives were generated in high yields.

Journal: :The Journal of Organic Chemistry 2003

Journal: :iranian journal of pharmaceutical research 0
shima h. m. ebrahim ketabforoosh department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. mohsen amini department of medicinal chemistry, faculty of pharmacy and drug design and development research center, tehran university of medical sciences, tehran 14176, iran. mohsen vosooghi department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. abbas shafiee department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. ebrahim azizi molecular research laboratory, department of pharmacology and toxicology, faculty of pharmacy, medical sciences, university of tehran, tehran, iran. farzad kobarfard department of medicinal chemistry, shahid beheshti school of pharmacy, tehran, iran.

caffeic acid phenethyl ester(cape) suppresses the growth of transformed cells such as human breast cancer cells, hepatocarcinoma , myeloid leukemia, colorectal cancer cells, fibrosarcoma, glioma and melanoma. a group of heterocyclic esters of caffeic acid was synthesized using mitsunobu reaction and the esters were subjected to further structural modification by electrooxidation of the catechol...

Journal: :Organic & biomolecular chemistry 2013
Muthupandian Ganesan Rahul Vilas Salunke Nem Singh Namakkal G Ramesh

A novel protecting group directed diversity leading to the synthesis of bridged bicyclic and six-membered iminocyclitols from a common carbohydrate derived diamino triol under Mitsunobu conditions is reported. When the intramolecular cyclization of benzoyl derivative 16 was carried out under Mitsunobu conditions, an unprecedented one-pot domino intramolecular "cyclization-N→O benzoyl migration-...

Journal: :Organic & biomolecular chemistry 2006
Sabina Quader Sue E Boyd Ian D Jenkins Todd A Houston

Reaction of hexa-N-Boc neomycin B with TPP and DIAD in toluene results in the formation of an epoxide in ring IV, not an aziridine or azetidine as previously reported.

Journal: :Journal of combinatorial chemistry 2004
Prabhat Arya Chang-Qing Wei Michael L Barnes Malgosia Daroszewska

Hydroxyindoline-derived scaffold, 9, was synthesized with the goal of generating a library of indoline-based natural product-like tricyclic derivatives to be utilized as small-molecule chemical probes. The tricyclic ring was obtained by a Mitsunobu reaction of the N-nosyl amino acid conjugate with the primary hydroxyl group. The solid-phase synthesis was achieved by immobilizing scaffold 9 onto...

2005
Hiroto Fumie OZAKI Masami TANAKA Tetsuto TSUNODA

reaction and has been applied widely in organic synthesis. In the Mitsunobu reaction, a unique dehydration occurs between alcohols and various Brønsted-Lowry acids (HA) utilizing the combination of diethyl azodicarboxylate and triphenylphosphine (Fig. 1). However, the reaction has a serious limitation (so-called the restriction of pKa); the acidic hydrogen in HA has to have pKa of less than 11 ...

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