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136 results about "Bicyclo Compounds" patented technology

Bicyclic structures occur widely, for example in many biologically important molecules like α-thujene and camphor. A bicyclic compound can be carbocyclic (all of the ring atoms are carbons), or heterocyclic (the rings atoms consist of at least two different elements), like DABCO.

New bicyclic compounds and their use as antibacterial agents and beta-lactamase inhibitors

A compound of formula (I):wherein:M is hydrogen or a pharmaceutically acceptable salt-forming cation;Y is OR1 or NR2R3,and R1, R2, R3 and M are as defined herein. Also, methods of treating bacterial infection, pharmaceutical compositions, molecular complexes and processes for preparing compounds.
Owner:FEDORA PHARMA

Condensed-ring thiophene derivatives, their production and use

A gonadotropin-releasing hormone antagonistic composition, which comprises an optionally substituted condensed-bicyclic compound consisting of a homo or hetero 5 to 7 membered ring and a homo or hetero 5 to 7 membered ring is effective as a propylactic or therapeutic agent for the prevention or treatment of several hormone dependent diseases, for example, a sex hormone dependent cancer (e.g. prostatic cancer, cancer of uterine cervix, breast cancer, pituitary adenoma), benign prostatic hypertrophy, myoma of the uterus, endometriosis, precocious puberty, amenorrhea, premenstrual syndrome, polycystic ovary syndrome and acne vulgaris; is effective as a fertility controlling agent in both sexes (e.g. a pregnancy controlling agent and a menstrual cycle controlling agent); can be used as a contraceptive of male or female, as an ovulation-inducing agent of female; can be used as an infertility treating agent by using a rebound effect owing to a stoppage of administration thereof; is useful as modulating estrous cycles in animals in the field of animal husbandry, as an agent fro improving the quality of edible meat or promoting the growth of animals; is useful as an agent of spawning promotion in fish.
Owner:TAKEDA PHARMA CO LTD

Alcohol Oxidation Catalyst and Method of Synthesizing the Same

An organic oxidation catalyst for alcohols which is environmentally less harmful and with which efficient oxidation can be conducted. The oxidation catalyst for alcohols is a 1-alkyl-2-azadamantan-N-oxyl which has a nitroxyl group incorporated in the adamantane skeleton and was synthesized from as a base material a bicyclic compound obtained by the Grob-type ring-opening reaction of 1,3-adamantanediol. Due to the nitroxyl group on the adamantane skeleton, the α-position hydrogen is stabilized based on Bredt's rule and the stability of the oxoammonium group generated by the oxidation thereof is ensured. Compared to TEMPO, which is a conventional oxidation catalyst, this catalyst is reduced in steric hindrance and is usable in a wide range of reaction fields. Because of this, not only a primary alcohol but a secondary alcohol having a sterically complicated structure, which has been difficult to oxidize with TEMPO, can be oxidized at a high efficiency.
Owner:NISSAN CHEM IND LTD

Negative dielectric anisotropy liquid crystal composition containing terphenyl structure and application of same

The invention relates to a negative dielectric anisotropy liquid crystal composition containing a terphenyl structure, which includes at least one of the compounds represented in the general formulas (I), at least one of the compounds represented in the general formulas (II), and at least one of the compounds represented in the general formulas (III). The compound (I) has a terphenyl structure and has very high optical anisotropy; the compound (II) contains cyclohexene and a 2,3-difluoro structure and is large in negative dielectric anisotropy and low in rotary viscosity; the compound (III) is a bicyclo compound and is low in rotary viscosity. The liquid crystal composition has low rotary viscosity, can be used in quick-responding liquid crystal display in various display modes, and can significantly improve display effects of a liquid crystal display when being applied in VA-mode displays, such as VA, MVA, PVA, PSVA and the like, or IPS-mode and FFS-mode displays.
Owner:BEIJING BAYI SPACE LCD MATERIALS TECH
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