Towards the Synthesis of  o ‐Diphosphaquinones: Benzodiphosphadihydropentalene – Naphthodihydrodiphosphete | Zendy

Märkl Gottfried | Zendy; Hennig Rüdiger | Zendy; Nöth Heinrich | Zendy

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Towards the Synthesis of o ‐Diphosphaquinones: Benzodiphosphadihydropentalene – Naphthodihydrodiphosphete

Author(s) -

Märkl Gottfried,

Hennig Rüdiger,

Nöth Heinrich

Publication year - 1996

Publication title -

liebigs annalen

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 0947-3440

DOI - 10.1002/jlac.199719970118

Subject(s) - chemistry , isomerization , valence (chemistry) , nitrogen , organic synthesis , medicinal chemistry , stereochemistry , organic chemistry , catalysis

o ‐Quinodimethanes 1 are important intermediates in organic synthesis that may be generated by thermal valence isomerization of benzocyclobutenes [1] or octa‐1,2,4,6,7‐pentaenes [2] . The preparation of a stable o ‐quinodimethane has not been reported so far. Whereas o ‐quinodiimines 2 containing strongly electron‐withdrawing groups at the nitrogen atoms are isolable [3] , o ‐diphosphaquinones 3 have not been detected.

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