| |
 |
|
Class Information
Number: 549/334
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > 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) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > Spiro > The spiro includes a hetero ring > Plural ring oxygens in a spiro hetero ring > Both rings which form the spiro are hetero rings
Description: Compounds wherein both of the rings in the spiro ring system are oxygen containing hetero rings.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576123 |
Anti-first-pass effect compounds |
Aug. 18, 2009 |
| 7576124 |
Anti-first-pass effect compounds |
Aug. 18, 2009 |
| 7514572 |
Anti-first-pass effect compounds |
Apr. 7, 2009 |
| 7470376 |
Photochemically active chiral compounds and compositions containing the same |
Dec. 30, 2008 |
| 7230027 |
Anti-first-pass effect compounds |
Jun. 12, 2007 |
| 7169940 |
Compounds and pharmaceutical compositions comprising same |
Jan. 30, 2007 |
| 6734313 |
Synthesis of spiro esters, spiro ortho carbonates, and intermediates |
May. 11, 2004 |
| 6660766 |
Anti-first-pass effect compounds |
Dec. 9, 2003 |
| 6653486 |
Spiroorthocarbonates containing epoxy groups |
Nov. 25, 2003 |
| 6613918 |
Synthesis of spiro ortho esters, spiro ortho carbonates, and intermediates |
Sep. 2, 2003 |
| 6512003 |
Synthetic spiroketal pyranes as potent anti-cancer agents and use |
Jan. 28, 2003 |
| 6476066 |
Anti-first-pass effect compounds |
Nov. 5, 2002 |
| 6348608 |
Catalytic asymmetric epoxidation |
Feb. 19, 2002 |
| 6309687 |
Anti-first-pass effect compounds |
Oct. 30, 2001 |
| 6248776 |
Anti-first-pass effect compounds |
Jun. 19, 2001 |
| 6200932 |
Phenyl-substituted cyclic ketoenol |
Mar. 13, 2001 |
| 6124479 |
Process for the preparation of 1,3-dioxolane-4-methanols |
Sep. 26, 2000 |
| 6124477 |
Anti-first-pass effect compounds |
Sep. 26, 2000 |
| 6107036 |
Heterocyclic dioxethane substrates, process for their preparation and their use |
Aug. 22, 2000 |
| 5798381 |
Biologically active bistramides, process for their production and their applications in therapy |
Aug. 25, 1998 |
| 5652226 |
Water soluble antibiotics |
Jul. 29, 1997 |
| 5637709 |
Photochromatic substances |
Jun. 10, 1997 |
| 5522978 |
Monensin amides for sodium-selective electrodes |
Jun. 4, 1996 |
| 5362889 |
Monomers for double ring-opening polymerization with expansion |
Nov. 8, 1994 |
| 5358824 |
Photosensitive resin composition utilizing 1,2-naphthoquinone diazide compound having spirobichroman or spirobiindane ring |
Oct. 25, 1994 |
| 5314878 |
Composition for removing or inactivating harmful components in blood or other extracellular body fluids |
May. 24, 1994 |
| 5298631 |
Spiroorthocarbonate compound and copolymers obtained therefrom |
Mar. 29, 1994 |
| 5281724 |
Process for the preparation of 6-(n-butylamino)-6-deoxy-1,2-O-(imeihylethylidine)-a-L-Sorbofuranose and derivatives thereof |
Jan. 25, 1994 |
| 5011950 |
Aromatic amine derivatives |
Apr. 30, 1991 |
| 4962207 |
Organic derivatives of tellurium and selenium |
Oct. 9, 1990 |
| 4959484 |
Novel strobilurine derivatives, their preparation and their use |
Sep. 25, 1990 |
| 4935413 |
Carbamate physical property-improving reagent |
Jun. 19, 1990 |
| 4929739 |
Complexes of tellurium and selenium derivatives |
May. 29, 1990 |
| 4920050 |
Acidic polycyclic ether antibiotic |
Apr. 24, 1990 |
| 4870193 |
Process for producing spiro-orthocarbonate |
Sep. 26, 1989 |
| 4855367 |
Orthocarbonates |
Aug. 8, 1989 |
| 4851550 |
Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters |
Jul. 25, 1989 |
| 4849529 |
Method for production of spiro-orthocarbonate |
Jul. 18, 1989 |
| 4838924 |
Aromatic urea derivatives and their use as herbicide |
Jun. 13, 1989 |
| 4792606 |
Process for the preparation of dimeric aromatic acyl cyanides |
Dec. 20, 1988 |
| 4761490 |
Organic derivatives of tellurium and selenium and their use to stimulate cytokine production |
Aug. 2, 1988 |
| 4704399 |
1,3-dioxan-4-ylalkenoic acids |
Nov. 3, 1987 |
| 4602933 |
Phenylurea herbicides |
Jul. 29, 1986 |
| 4602934 |
Anilide herbicides |
Jul. 29, 1986 |
| 4569795 |
Arylsulphonyl azetidine compounds, their preparation and their use as intermediates |
Feb. 11, 1986 |
| 4410354 |
Spiro ether herbicides |
Oct. 18, 1983 |
| 4384126 |
Synthesis of deoxyzoapatanol derivatives |
May. 17, 1983 |
| 4361563 |
Pyridazinone-substituted benzimidazoles and salts |
Nov. 30, 1982 |
| 4332731 |
2-Methylene-1,4,6-trioxaspiro[4,6]undecane, process for the preparation thereof and process for the preparation of polymers |
Jun. 1, 1982 |
| 4322353 |
Synthesis of dioxabicyclo(3.2.1)octanes and oxepanes |
Mar. 30, 1982 |
|
|
|
