摘要:
In one aspect, the invention relates to compounds having the formula I: where R1-R6 are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising these compounds; methods of using these compounds; and processes and intermediates for preparing these compounds.
摘要:
The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimetylpentadecan-2-one in a multistep synthesis from 3,7-dimetyloct-2-enal or 3,7-dimetylocta-2,6-dienal. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
摘要:
To provide a chiral compound having large helical twisting power, a low melting point and good compatibility with other liquid-crystal compounds; and a liquid-crystal composition an optically isotropic liquid-crystal phase composed of the chiral compound and an achiral liquid-crystal component according to the invention, having a low drive voltage and good storage stability. The liquid-crystal composition is composed of at least one chiral compound represented by general formula (K1) or (K2) and at least one achiral liquid-crystal component: (wherein, in formulas (K1) and (K2), R k1 is, for example, alkyl having 1 to 5 carbons, R k2 is, for example, alkyl having 1 to 20 carbons, ring A k1 is, for example, 1,4-phenylene, X k1 is, for example, a single bond, Y k1 is, for example, -(CH 2 ) n -, n is an integer from 1 to 20, Z k1 is, for example, a single bond, nk1 is, for example, an integer from 2 to 4, and nk1 and nk2 are, for example, an integer from 0 to 2.).
摘要:
Provided is a polar compound that has high chemical stability and high capability of aligning liquid crystal molecules, and has a large voltage holding ratio when used in a liquid crystal display device. The compound represented by formula (1) is applied.
For example, R 1 is alkyl having 1 to 15 carbons; rings A 1 to A 5 are 1,4-cyclohexylene or 1,4-phenylene; Z 1 and Z 5 are a single bond or alkylene having 1 to 10 carbons; a and b are 0 to 4, and a sum of a and b is 4 or less; d is 1 to 4; c and e are 0 to 4; P 1 to P 3 are a polymerizable group represented by formulas (P-1) to (P-5):
in which M 1 to M 3 are hydrogen or alkyl having 1 to 5 carbons; and R 2 is a group represented by formulas (1a) to (1c):
in which Sp 1 to Sp 5 are a single bond or alkylene having 1 to 10 carbons; S 1 is >CH-; S 2 is >C 1 is -OH.
摘要:
A liquid crystal display device comprises a first substrate, a second substrate which faces the first substrate, an electrode part which is provided on at least one of the first substrate and the second substrate, and a liquid crystal layer which comprises a liquid crystal composition and is provided between the first substrate and the second substrate. The liquid crystal composition includes a liquid crystal compound of Formula 1.
wherein R1, R2, A11, A12, A13, A21, A22, Z11, Z12, Z13, Z21, Z22, (F), a, b, c, d, and e are as described herein.
摘要:
The present invention provides superior compositions and methods for the delivery of therapeutic agents to cells. In particular, these include novel lipids and nucleic acid-lipid particles that provide efficient encapsulation of nucleic acids and efficient delivery of the encapsulated nucleic acid to cells in vivo. The compositions of the present invention are highly potent, thereby allowing effective knock-down of specific target proteins at relatively low doses. In addition, the compositions and methods of the present invention are less toxic and provide a greater therapeutic index compared to compositions and methods previously known in the art.
摘要:
To provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound represented by formula (1):
wherein, in formula (1), for example, R 1 is alkyl having 1 to 15 carbons; ring A 1 and ring A 2 are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one piece of hydrogen is replaced by halogen, tetrahydropyran-2,5-diyl or 1,3-dioxane-2,5-diyl; Z 1 and Z 2 are a single bond or -CF 2 O-; L 1 , L 2 and L 3 are halogen or hydrogen; and a is 0 to 3.
摘要翻译:为了提供满足物理性能如热,光等的高稳定性,高透明点,液晶相的低最低温度,小粘度,适当的光学各向异性等的液晶化合物, 具有大的介电各向异性,合适的弹性常数和与其它液晶化合物的良好的相容性,含有该化合物的液晶组合物和包括该组合物的液晶显示装置。 由式(1)表示的化合物:其中,在式(1)中,例如,R 1为碳原子数1〜15的烷基, 环A 1和环A 2是1,4-亚环己基,1,4-亚环己烯基,1,4-亚苯基,1,4-亚苯基,其中至少一个氢被卤素取代,四氢吡喃-2,5-二 二基或1,3-二恶烷-2,5-二基; Z 1和Z 2是单键或-CF 2 O-; L 1,L 2和L 3是卤素或氢; a为0〜3。