Cover Feature: Difluoroboron Chelation to Quinacridonequinone: A Synthetic Method for Air‐Sensitive 6,13‐Dihydroxyquinacridone via Boron Complexes (Chem. Asian J. 9/2019) | Zendy

Moriya Koichiro | Zendy; Shimada Ryohei | Zendy; Ono Katsuhiko | Zendy

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Cover Feature: Difluoroboron Chelation to Quinacridonequinone: A Synthetic Method for Air‐Sensitive 6,13‐Dihydroxyquinacridone via Boron Complexes (Chem. Asian J. 9/2019)

Author(s) -

Moriya Koichiro,

Shimada Ryohei,

Ono Katsuhiko

Publication year - 2019

Publication title -

chemistry – an asian journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.18

H-Index - 106

eISSN - 1861-471X

pISSN - 1861-4728

DOI - 10.1002/asia.201900412

Subject(s) - chelation , boron , chemistry , cover (algebra) , combinatorial chemistry , nuclear chemistry , inorganic chemistry , organic chemistry , engineering , mechanical engineering

BF 2 chelation to quinacridonequinone (QQ) was performed for the development of new pigments. The resulting dark green solid was determined to be a BF 2 complex of 6,13‐dihydroxyquinacridone (QA‐OH). This indicated that a two‐electron reduction occurred in the BF 2 chelation, although the electron source was not specified. The BF 2 complex underwent hydrolysis in argon to produce QA‐OH as a dark purple solid. Furthermore, QA‐OH was converted to QQ by air oxidation. In this paper, a new synthetic method from QQ to QA‐OH via BF 2 complexes is proposed. More information can be found in the Communication by Katsuhiko Ono et al. on page 1452 in Issue 9, 2019 (DOI: 10.1002/asia.201900219).

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