US PATENT SUBCLASS 536 / 6.5
.~.~.~ Oxygen containing hetero ring having at least twenty members (e.g., amphotericin, nystatin, pimaricin, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
4.1  DF  .~.~ O- or S- Glycosides {29}
6.5.~.~.~ Oxygen containing hetero ring having at least twenty members (e.g., amphotericin, nystatin, pimaricin, etc.)

DEFINITION

Classification: 536/6.5

Oxygen containg hetero ring of at least twenty ring members (e.g., amphotercin, nystatin, pimaricin, etc.):

(under subclass 4.1) Compounds which contain a hetero-O-cyclic substitutent of twenty or more ring members.

(1) Note. The compounds provided for herein are commonly referred to as "macrolide antibiotics" or "polyene macrolide antibiotics". They include a macrocyclic lactone ring with various ketonic an hydroxyl functions glycosidically bound to deoxysugars. As representative of this class of compounds there may be mentioned amphotericin A, amphotericin B, candicidin, nystation, perimycin, and pimaricin.

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