Ozora Kubo

发表

Preparation of THP-ester-derived pyridinium-type salts and their reactions with various nucleophiles.

H. Fujioka, Yutaka Minamitsuji, Takahiro Moriya, 2012, Chemistry, an Asian journal.

Synthesis of the C1-C26 hexacyclic subunit of pectenotoxin 2.

G. C. Micalizio, Ozora Kubo, Daniel P. Canterbury, 2012, Organic letters.

New Three-Component Reaction: Novel Formation of a Seven-Membered Ring by the Unexpected Reaction at the γ-Position of the β-Keto Ester

Y. Kita, H. Fujioka, Ozora Kubo, 2007 .

One-pot synthesis of imidazolines from aldehydes: detailed study about solvents and substrates

Y. Kita, Yusuke Ohba, H. Fujioka, 2007 .

Total Synthesis of (±)-γ-Rubromycin on the Basis of Two Aromatic Pummerer-Type Reactions†

Ikumi Kuriwaki, T. Dohi, Y. Kita, 2007 .

The reaction of acetal-type protective groups in combination with TMSOTf and 2,2′-bipyridyl; mild and chemoselective deprotection and direct conversion to other protective groups

H. Fujioka, Yutaka Minamitsuji, Ozora Kubo, 2011 .

Remarkable effect of phosphine on the reactivity of O,P-acetal--efficient substitution reaction of O,P-acetal.

Y. Sawama, H. Fujioka, Ozora Kubo, 2010, Chemical communications.

Mild deprotection of methylene acetals in combination with trimethylsilyl triflate-2,2'-bipyridyl.

H. Fujioka, Yutaka Minamitsuji, Ozora Kubo, 2010, Chemical & pharmaceutical bulletin.

Remarkable effect of 2,2'-bipyridyl: mild and highly chemoselective deprotection of methoxymethyl (MOM) ethers in combination with TMSOTf (TESOTf)-2,2'-bipyridyl.

H. Fujioka, Yutaka Minamitsuji, Ozora Kubo, 2009, Chemical communications.

Organic Chemistry Using Weakly Electrophilic Salts: The Reaction with Nitrogen Nucleophiles

Y. Kita, H. Fujioka, K. Okamoto, 2009 .

Mild and efficient deprotection of acetal-type protecting groups of hydroxyl functions by triethylsilyl triflate: 2,4,6-collidine combination

H. Fujioka, K. Okamoto, Ozora Kubo, 2009 .

Organic chemistry using weakly electrophilic salts: efficient formation of O,O-mixed, O,S- and N,O-acetals.

Y. Kita, Y. Sawama, Ruichuan Li, 2007, The Journal of organic chemistry.

Alkyl- and arylation of oxacyclic ethers with triethylsilyl triflate-2,4,6-collidine-Gilman reagent combination: remarkable discrimination of two ether oxygens

Y. Kita, Y. Sawama, H. Fujioka, 2007 .

Reaction of Tetrahydropyranyl Ethers with Triethylsilyl Trifluoromethanesulfonate–2,4,6‐Collidine Combination: Speculation on the Intermediate, Efficient Deprotection, and Application to Efficient Ring‐Closing Metathesis as a Tether

Y. Kita, Y. Sawama, H. Fujioka, 2007 .

Unexpected highly chemoselective deprotection of the acetals from aldehydes and not ketones: TESOTf-2,6-lutidine combination.

Y. Kita, Y. Sawama, S. Matsuda, 2004, Journal of the American Chemical Society.

New three-component reaction: novel formation of a seven-membered ring by the unexpected reaction at the gamma-position of the beta-keto ester.

Y. Kita, Yusuke Ohba, H. Fujioka, 2007, Organic letters.

Concise total synthesis of (-)-spongotine A.

Y. Kita, H. Fujioka, Ozora Kubo, 2007, The Journal of organic chemistry.

New Three‐Component Reaction: Novel Formation of a Seven‐Membered Ring by the Unexpected Reaction at the γ‐Position of the β‐Keto Ester.

Y. Kita, Yusuke Ohba, H. Fujioka, 2007 .

One‐Pot Synthesis of Imidazolines from Aldehydes: Detailed Study about Solvents and Substrates.

Y. Kita, Yusuke Ohba, H. Fujioka, 2007 .

Concise asymmetric total synthesis of scyphostatin, a potent inhibitor of neutral sphingomyelinase.

Y. Kita, Y. Sawama, Naoyuki Kotoku, 2007, Chemistry.

Effects of phosphorus substituents on reactions of α-alkoxyphosphonium salts with nucleophiles.

Y. Sawama, H. Fujioka, Ozora Kubo, 2012, Chemistry.

2,5-cis-2,3,5-Trisubstituted tetrahydrofurans from the diastereomixture of 2,4-disubstituted 1,3-dioxepins via stereomutation.

H. Fujioka, Ozora Kubo, Kenzo Yahata, 2011, Chemical communications.

A Mild and Versatile Method for the Synthesis of Alkyl Ethers from Methoxymethyl Ethers and Application to the Preparation of Sterically Crowded Ethers

Y. Ueyama, H. Fujioka, Yutaka Minamitsuji, 2012 .

Reversing the reactivity of carbonyl functions with phosphonium salts: enantioselective total synthesis of (+)-centrolobine.

Y. Sawama, H. Fujioka, Ozora Kubo, 2011, Angewandte Chemie.

Reaction of acetals with various carbon nucleophiles under non-acidic conditions: C-C bond formation via a pyridinium-type salt.

Y. Kita, Y. Sawama, H. Fujioka, 2012, Chemistry, an Asian journal.

Synthesis of C11-Desmethoxy Soraphen A1α: A natural product analog that inhibits acetyl-CoA carboxylase.

J. Cleveland, R. Jansen, G. C. Micalizio, 2013, ACS medicinal chemistry letters.

An unusual reaction of α-alkoxyphosphonium salts with Grignard reagents under an O2 atmosphere.

Y. Sawama, H. Fujioka, Ozora Kubo, 2011, Chemical communications.