Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07D
HETEROCYCLIC COMPOUNDS
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237/00
Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
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C07D237/02
not condensed with other rings
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C07D237/06
having three double bonds between ring members or between ring members and non-ring members
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C07D237/10
with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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C07D237/12
Halogen atoms or nitro radicals
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C07D237/12

Pnictogen-containing heterocyclic compounds and their use
12564636 · 2026-03-03 · ·

Disclosed are pnictogen-containing heterocyclic compounds of Formula (I) ##STR00001##
Each of R.sub.1, the heterocyclic ring H, A.sup.+, LG, and X.sup. is defined herein. Also provided are methods of modifying a substrate using such a compound, conjugated biomolecules thus modified, and pharmaceutical compositions containing one of the conjugated biomolecules.