[DE] PHOSPHOR-HALTIGE HEPTAZINDERIVATE, VERFAHREN ZU DEREN HERSTELLUNG UND DEREN VERWENDUNG ALS FLAMMSCHUTZMITTEL [EN] HEPTAZINE DERIVATIVES CONTAINING PHOSPHORUS, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF AS FLAME RETARDANTS [FR] DÉRIVÉS D'HEPTAZINE PHOSPHORÉS, LEUR PROCÉDÉ DE PRODUCTION, ET LEUR UTILISATION EN TANT QU'IGNIFUGEANTS
Heptazine Derivatives Containing Phosphorus, Method for the Production Thereof and Use Thereof as Flame Retardants
申请人:Gmeiner Tobias
公开号:US20080039624A1
公开(公告)日:2008-02-14
The present invention relates to unsymmetrical and symmetrical phosphorus-comprising heptazine derivatives, represented by the formula (1):
in which R
a
, R
b
and R
c
are, independently of one another, an azide group —N
3
or an —N═PR
1
R
2
R
3
group, with the proviso that at least one radical from R
a
, R
b
and R
c
is an —N═PR
1
R
2
R
3
group, to a process for the preparation thereof and to the use thereof.