US PATENT SUBCLASS 536 / 26.23
.~.~.~.~.~.~.~.~ Exactly two phosphorus atoms in the chain (e.g., coenzyme A, etc.)

Current as of: June, 1999
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536 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
18.7  DF  .~.~ Nitrogen containing {13}
22.1  DF  .~.~.~ N-glycosides, polymers thereof, metal derivatives (e.g., nucleic acids, oligonucleotides, etc.) {12}
26.1  DF  .~.~.~.~ Phosphorus containing N-glycoside wherein the N is part of an N-hetero ring {9}
26.2  DF  .~.~.~.~.~ Plural phosphorus atoms in N-glycoside {2}
26.21  DF  .~.~.~.~.~.~ Plural phosphorus atoms bonded directly to the same chalcogen in a chain (e.g., pyrophosphates, polyanhydrides of phosphorus acids, etc.) {2}
26.22  DF  .~.~.~.~.~.~.~ Both terminal phosphorus atoms are esterified by organic groups wherein one of these organic groups is the sugar moiety {1}
26.23.~.~.~.~.~.~.~.~ Exactly two phosphorus atoms in the chain (e.g., coenzyme A, etc.) {2}
26.24  DF  .~.~.~.~.~.~.~>.~.~ NAD (nicotinamide adenine dinucleotide) and derivatives thereof
26.25  DF  .~.~.~.~.~.~.~>.~.~ FAD (flavin adenine dinucleotide) and derivatives thereof

DEFINITION

Classification: 536/26.23

Exactly two phosphorus atoms in the chain (e.g., coenzyme A, etc.):

(under subclass 26.22) Compounds in which the chain consists of two phosphorus groups bonded directly to the same chalcogen in the chain.

(1) Note. Examples of compounds provided for herein are: [figure] [caption]coenzyme A [figure] [caption]uridine diphosphate glucose