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List of works by Takashi Okitsu

3-Methylene-4-amido-1,2-diazetidine as a Formal 1,4-Dipole Precursor: Lewis Acid-Catalyzed Nucleophilic Addition with Silylated Nucleophiles

scientific article published on 15 August 2017

A dearomative ipso-iodocyclization/desymmetrization sequence leading to optically active tricyclic piperazine scaffolds

scientific article published on 25 April 2020

Alternative Formation of Red-Shifted Channelrhodopsins: Noncovalent Incorporation with Retinal-Based Enamine-Type Schiff Bases and Mutated Channelopsin.

scientific article published in January 2017

Caesium fluoride-promoted Stille coupling reaction: an efficient synthesis of 9Z-retinoic acid and its analogues using a practical building block

scientific article published on 23 October 2008

Convergent Synthesis of Dronedarone, an Antiarrhythmic Agent

scientific article published on 01 January 2016

Correlation between Nuptial Colors and Visual Sensitivities Tuned by Opsins Leads to Species Richness in Sympatric Lake Victoria Cichlid Fishes ⬇️

scientific article published on May 21, 2012

Efficient synthesis and biological evaluation of demethyl geranylgeranoic acid derivatives ⬇️

scientific article published on July 8, 2010

Identical Hydrogen-Bonding Strength of the Retinal Schiff Base between Primate Green- and Red-Sensitive Pigments: New Insight into Color Tuning Mechanism.

scientific article published on 20 March 2015

Inhibition of lysine-specific demethylase 1 by the acyclic diterpenoid geranylgeranoic acid and its derivatives.

scientific article published on 7 January 2014

Iodocyclization of Ethoxyethyl Ethers to Alkynes: A Broadly Applicable Synthesis of 3-Iodobenzo[b]furans

scientific article published on 03 October 2008

Iodocyclization of Ethoxyethyl Ethers to Ynamides: An Immediate Construction to Benzo[b]furans

scientific article published on 05 June 2014

Iodocyclization of Hydroxylamine Derivatives Based on the Control of Oxidative Aromatization Leading to 2,5-Dihydroisoxazoles and Isoxazoles

scientific article published on 07 April 2011

Large spectral change due to amide modes of a β-sheet upon the formation of an early photointermediate of middle rhodopsin.

scientific article published on 26 March 2013

Menadione (vitamin K3) is a catabolic product of oral phylloquinone (vitamin K1) in the intestine and a circulating precursor of tissue menaquinone-4 (vitamin K2) in rats

scientific article published on 30 September 2013

Novel iodocyclization method based on the controlling of oxidative aromatization

scientific article

Production of a Light-Gated Proton Channel by Replacing the Retinal Chromophore with Its Synthetic Vinylene Derivative

scientific article published on 16 May 2018

Reaction of Acetals with Various Carbon Nucleophiles under Non-Acidic Conditions: CC Bond Formation via a Pyridinium-Type Salt

article

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

scholarly article by Hiromichi Fujioka et al published 5 March 2007 in Advanced Synthesis & Catalysis

Reaction of the acetals with TESOTf-base combination; speculation of the intermediates and efficient mixed acetal formation

scientific article (publication date: 3 May 2006)

Reagent-Controlled Oxidative Aromatization in Iodocyclization: Switchable Access to Dihydropyrazoles and Pyrazoles

scientific article published on 01 August 2010

Red-Tuning of the Channelrhodopsin Spectrum Using Long Conjugated Retinal Analogues

scientific article published on 12 September 2018

Replacement of the hydrophobic part of 9-cis-retinoic acid with cyclic terpenoid moiety results in RXR-selective agonistic activity

scientific article published on 21 March 2011

Retinal Configuration of ppR Intermediates Revealed by Photoirradiation Solid-State NMR and DFT

Silyl Group-Directed 6-exo-dig Iodocyclization of Homopropargylic Carbamates and Amides

scientific article published on 26 November 2018

Solid-State Nuclear Magnetic Resonance Structural Study of the Retinal-Binding Pocket in Sodium Ion Pump Rhodopsin

scientific article published on January 2017

Solid-state NMR spectroscopy structure determination of a lipid-embedded heptahelical membrane protein

scientific article

Solid-state NMR ¹³C and ¹⁵N resonance assignments of a seven-transmembrane helical protein Anabaena Sensory Rhodopsin

scientific article published on 16 September 2012

Structure-activity relationship of novel menaquinone-4 analogues: modification of the side chain affects their biological activities.

scientific article published on 7 February 2012

Substituent Effect of Bis(pyridines)iodonium Complexes as Iodinating Reagents: Control of the Iodocyclization/Oxidation Process

scientific article published on 01 March 2013

Synthesis and biological evaluation of 9Z-retinoic acid analogs having 2-substituted benzo[b]furan.

scientific article

Synthesis of One Double Bond-Inserted Retinal Analogs and Their Binding Experiments with Opsins: Preparation of Novel Red-Shifted Channelrhodopsin Variants

scientific article published on 01 January 2020

Tandem Migration–Carboalkoxylation of o-Isocyanophenyl Acetals Leading to Benzoxazoles

scientific article published on 17 January 2012

Visual adaptation in Lake Victoria cichlid fishes: depth-related variation of color and scotopic opsins in species from sand/mud bottoms

scientific article published on 22 August 2017

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