Polycyclo ring system having the diazine ring as one of the cyclos

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.)

544224000 - The six-membered hetero ring consists of two nitrogens and four carbons (e.g., 1,2-diazines, etc.)

544336000 - 1,4-diazines

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application number	Description	Number of patent applications / Date published
544349000	Bicyclo ring system having the diazine ring as one of the cyclos	73
544343000	Tetracyclo ring system having the diazine ring as one of the cyclos (e.g., benzophenazines, etc.)	31
544344000	Tricyclo ring system having the diazine ring as one of the cyclos	7
544339000	Heptacyclo ring system having the diazine ring as one of the cyclos (e.g., indanthrones, etc.)	7
544342000	Pentacyclo ring system having the diazine ring as one of the cyclos	4
20120035364	TETRATHIAFULVALENE DERIVATIVE, AND ORGANIC FILM AND ORGANIC TRANSISTOR USING THE SAME - A tetrathiafulvalene derivative expressed by General Formula (I): General Formula (I) in General Formula (I), X represents an atom selected from a carbon atom, a sulfur atom, and a nitrogen atom, and Xs may be the same or different; provided that when X is the carbon atom or the nitrogen atom, R	02-09-2012
20120165529	PROCESS FOR PREPARING TETRAHYDROTETRAAZAPENTACENES AND DERIVATIVES - A process for preparing 5,7,12,14-tetrahydro-5,7,12,14-tetraazapentacene compounds and derivatives of Formula (A):	06-28-2012
20120271052	ELECTROLUMINESCENT THIOPHENE DERIVATIVES - LED compounds of the general structure: (B-S-)n-A-(- S-B)m (Structure 1); wherein the rod-like molecular nucleus A having the structure: —Ar(-T-Ar)p- (Structure 2); wherein T includes a diradical.	10-25-2012
20130331572	PROCESSES FOR THE PREPARATION OF SODIUM 5,14-DIHYDROTETRAAZAPENTACENE POLYSULFONATE, AND INTERMEDIATES THEREOF - This invention relates to processes for the preparation of sodium 5,14-dihydrotetraazapentacene polysulfonate (1), and intermediates thereof.	12-12-2013