Preparation of pyridyl-4-phosphonates

Details Preparation of pyridyl-4-phosphonates Preparation of pyridyl-4-phosphonates

1975-12-15

1980-02-05

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21304

Patent

active

041873785

ABSTRACT:
This invention relates to the preparation of pyridyl-4-phosphonates by reacting phosphite ester salts with pyridines which are N-substituted with sterically hindering or "bulky" groups such as "bulky" phenyl groups, for example trityl, .phi..sub.3 C-.

REFERENCES:
patent: 3673196 (1972-06-01), Redmore
patent: 3766197 (1973-10-01), Redmore
patent: 3770750 (1973-11-01), Redmore
patent: 3809694 (1974-05-01), Redmore
patent: 3810907 (1974-05-01), Redmore
Nour et al., J. Chem. Soc. 1969, part C, pp. 2511 to 2513.
Okamoto et al., J. Org. Chem., vol. 35, pp. 3752 to 3755 (1970).

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