[3+2]‐Cycloaddition Reactions of a Stable Phosphaalkyne—Transition from Singly to Doubly Coordinated Phosphorus | Zendy

Rösch Wolfgang | Zendy; Regitz Manfred | Zendy

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[3+2]‐Cycloaddition Reactions of a Stable Phosphaalkyne—Transition from Singly to Doubly Coordinated Phosphorus

Author(s) -

Rösch Wolfgang,

Regitz Manfred

Publication year - 1984

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.198409001

Subject(s) - chemistry , cycloaddition , diazo , reactivity (psychology) , phosphorus , medicinal chemistry , organic chemistry , catalysis , medicine , alternative medicine , pathology

A large number of novel, five‐membered phosphorus heterocycles are accessible by cycloadditions of the phosphaalkyne 1 with 1,3‐dipolar compounds. Thus, reaction of 1 with diazo compounds 2 leads via intermediates 3 to formation of the novel 1 H ‐1,2,4‐diazaphospholes 4. The high reactivity of the phosphaalkyne 1 is in complete contrast to the sluggishness of nitriles.

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