US PATENT SUBCLASS 536 / 27.23
.~.~.~.~.~.~.~.~ Carbonyl, thiocarbonyl, additional hetero ring or nitrogen, other than as nitro or nitroso, attached indirectly to the sugar ring by acyclic nonionic bonding


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}
27.1  DF  .~.~.~.~ N-glycosides wherein the N is part of an N-hetero ring which hetero ring is part of a polycyclo ring system containing an N-hetero ring and an additional hetero ring (e.g., rebeccamycin, etc.) {3}
27.13  DF  .~.~.~.~.~ Bicyclic ring system consisting of the N-hetero ring fused to another hetero ring (e.g., 2-azaadenines, 6-azaadenines, etc.) {2}
27.2  DF  .~.~.~.~.~.~ The bicyclic ring system consists of a 1,3-diazine ring, which may be hydrogenated, fused to a five-membered N-hetero ring (e.g., purine isoesters like tubercidin, toyocamycin, sangivamycin, sparsomycin A, etc.) {1}
27.21  DF  .~.~.~.~.~.~.~ The five-membered N-hetero ring is 1,3-diazole, which may be hydrogenated (e.g., 6-chloropurine nucleoside, nebularin, etc.) {6}
27.23.~.~.~.~.~.~.~.~ Carbonyl, thiocarbonyl, additional hetero ring or nitrogen, other than as nitro or nitroso, attached indirectly to the sugar ring by acyclic nonionic bonding {1}
27.3  DF  .~.~.~.~.~.~.~>.~.~ Adenosyl {1}


DEFINITION

Classification: 536/27.23

Carbonyl, thiocarbonyl, additional hetero ring or nitrogen, other than as nitro or nitroso attached indirectly to the sugar ring by acyclic nonionic bonding:

(under subclass 27.21) Compounds wherein thiocarbonyl, carbonyl, nitrogen, other than as nitro or nitroso, or an additional hetero ring is attached indirectly to the sugar ring of the nucleoside by acyclic nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure]