@article{CTT100625437,
  author = {Masaaki Yoshifuji and Stefan Osborn and Anthony J. Arduengo, III and Kenneth T. Belmore and Shigekazu Ito},
  title = {Intensive NMR Study of 1-t-Butyl-3-methyl-2,4-bis(2,4,6-tri-t-butylphenyl)-1,3-diphosphacyclobutane-2,4-diyl},
  journal = {Heteroatom Chemistry},
  year = 2011,
}

@article{CTT100625434,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Synthesis and Properties of Oligo(biradicals) Composed of 1,3-Diphosphacyclobutane-2,4-diyl Units and Benzyl-type Linkers},
  journal = {Heteroatom Chemistry},
  year = 2010,
}

@article{CTT100609897,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Synthesis and physicochemical properties of stable 1,3-diphosphacyclobutane-2,4-diyls bearing sulfanyl groups},
  journal = {C R Chimie},
  year = 2010,
}

@article{CTT100625443,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Diverse Reactions of Sterically Protected 1,3-Diphosphacyclobutane-2,4-diyls with Hydride},
  journal = {Dalton Transactions},
  year = 2010,
}

@article{CTT100607433,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Modeling the Direct Activation of Dihydrogen by a P2C2 Cyclic Biradical: Formation of a Cyclic Bis(P–H λ5-phosphorane)},
  journal = {Inorg. Chem.},
  year = 2009,
}

@article{CTT100583936,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Catenation of 1,3-Diphosphacyclobutane-2,4-diyl Units Having 2,4,6-Tri-tertbutylphenyl},
  journal = {Z. Anorg. Allg. Chem.},
  year = 2009,
}

@article{CTT100583933,
  author = {Shigekazu Ito and Joji Miura and Morita and Masaaki Yoshifuji and Anthony J. Arduengo, III},
  title = {Poly(Biradicals): Oligomers of 1,3-Diphosphacyclobutane-2,4-diyl Units},
  journal = {Angew. Chem. Int. Ed.},
  year = 2008,
}

@article{CTT100583950,
  author = {Masaaki Yoshifuji and Anthony J. Arduengo, III and Tatyana A. Konovalova and Lowell D. Kispert and Manabu Kikuchi and Shigekazu Ito},
  title = {Oxidation of 1,3-Diphosphacyclobutane-2,4-diyl with Ammoniumyl Antimonate and EPR Study of the Corresponding Cation Radical},
  journal = {Chem. Lett.},
  year = 2006,
}

@article{CTT100583954,
  author = {Shigekazu Ito and Manabu Kikuchi and Masaaki Yoshifuji and Anthony J. Arduengo, III and Tatyana A. Konovalova and Lowell D. Kispert},
  title = {Preparation and Characterization of an Air-tolerant 1,3-Diphosphacyclobuten-4-yl Radical},
  journal = {Angew. Chem. Int. Ed.},
  year = 2006,
}

@inproceedings{CTT100583940,
  author = {Masaaki Yoshifuji and Anthony J. Arduengo, III and Shigekazu Ito},
  title = {Studies on Stable 1,3-Diphosphacyclobutane-2,4-diyls},
  booktitle = {Phosphorus, Sulfur, and Silicon},
  year = 2008,
}