1,4-Oxazines

Subclass of:

544 - Organic compounds -- part of the class 532-570 series

544000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

544000000 - HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)

544001000 - Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.)

544063000 - Six-membered hetero ring consists of oxygen, nitrogen and carbon (e.g., 1,2-oxazines, etc)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application number	Description	Number of patent applications / Date published
544106000	Morpholines (i.e., fully hydrogenated 1,4-oxazines	440
544099000	Polycyclo ring system having the oxazine ring as one of the cyclos	95

Entries
Document	Title	Date
20110015392	PROCESS FOR PREPARING PYRIDONE DERIVATIVES 226 - A route for preparing a compound of formula (I)	01-20-2011