Ring Expansion of a 1,2‐Diphosphaspiropentane: Formation of a Diphosphamethylenecyclobutane and a 1,4‐Diphosphanorbornadiene | Zendy

Garot Catherine | Zendy; EtemadMoghadam Guita | Zendy; Declercq JeanPaul | Zendy; Dubourg Antoine | Zendy; Koenig Max | Zendy

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Ring Expansion of a 1,2‐Diphosphaspiropentane: Formation of a Diphosphamethylenecyclobutane and a 1,4‐Diphosphanorbornadiene

Author(s) -

Garot Catherine,

EtemadMoghadam Guita,

Declercq JeanPaul,

Dubourg Antoine,

Koenig Max

Publication year - 1992

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199206251

Subject(s) - diradical , ring (chemistry) , cleavage (geology) , aryl , chemistry , thermal decomposition , bond cleavage , medicinal chemistry , stereochemistry , organic chemistry , materials science , catalysis , physics , nuclear physics , alkyl , fracture (geology) , singlet state , composite material , excited state

Besides the expected spiropentanemethylenecyclobutane rearrangement that yields 2 , another reaction channel plays a role in the thermolysis of 1 : the diradical formed (in both cases) by PP bond cleavage reacts by attack on the aryl residues, expelling t Bu, to form 3 .

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