摘要:
The present invention is related to substituted butanol derivatives of the formula; wherein R is an unsubstituted or substituted C1-6 straight chain alkyl, an unsubstituted or substituted C3-6 branched chain alkyl an uosubstituted or substituted C3-6 straight chain alkenyl, an unsubstituted or substituted Cu= branched chain alkenyl, an unsubstituted or substituted C3-6 cycioalkyl, an unsubstituted or substituted C1-6 alkoxy, nitiile, halo, amino, an unsubstituted or substituted C1-6 alkyiamino, w. unsubstituted or substituted C1-6 dialkyfaraino, carboxy-C1-6 alkyiamino, carboxy-C1-6 di alkyl amino, an unsubstituted or substituted acetoxy, carboxy, an unsubstituted or substituted carboxyethyi, an unsubstituted or substituted C1-6 aikylcarbonyi, an unsubstituted or substituted C1-6 aikylcarboxy, ao unsubsiituted or substituted C1-6 alkylthio, an unsubstituted or substituted C1-6 alkyloxy. carboxamido, an unsubstituted or substituted C1-6 alkylcarboxarøido or an unsubstituted or substituted C1-6 dia'lkylcarboxamido. Such compounds are useful in flavor or flavor compositions.
摘要:
The invention provides a method for producing efficiently and inexpensively on an industrial scale compound (VII) having a desired diastereomer ratio and enantiomer excess, intermediates useful in this method, and methods for producing the intermediates; and a method for producing compound (VIII), which is obtained from compound (I) and compound (II) by the route showing below.
摘要:
An object of the present invention is to provide a compound that can inactivate active alumina in a magnetic head, a lubricant having decomposition resistance, and a magnetic disk using the lubricant. The present invention relates to a fluoropolyether compound represented by formula (1): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 -CH 2 -R 2 -CH 2 -R 3 wherein R 1 is C 1 -C 10 alkoxy; R 2 is-(CF 2 ) p O(CF 2 O) x (CF 2 CF 2 O) y (CF 2 CF 2 CF 2 O) z (CF 2 CF 2 CF 2 CF 2 O) w (CF 2 ) p -; x and y are each a real number of 0 to 30; z is a real number of 0 to 30; w is a real number of 0 to 20; p is an integer of 1 to 3; R 3 is-OCH 2 CH(OH)CH 2 OH, -OCH 2 CH(OH)CH 2 OCH 2 CH(OH)CH 2 OH, -O(CH 2 ) m OH, or-OCH 2 (OH) CHCH 2 -OC 6 H 4 -R 4 ; m is an integer of 2 to 8; and R 4 is hydrogen, C 1 -C 4 alkoxy, amino, or an amide residue; and also relates to a lubricant comprising the compound and to a magnetic disk.
摘要:
A compound of formula (I): wherein R is -CH2OH, -C(O)H5 -C(OR3)2H, -C(OR4)(OH)H, -CH=NC6H4C(O)OR5 or -CH=NR6; R1 and R2 are each independently H or CH3; R3 and R4 are each independently H or a straight or branched aliphatic group having from 1 to 12 carbon atoms, or each R3 is covalently linked to the other R3 to form a cyclic acetal having from 1 to 4 carbon atoms; R5 is H or a straight or branched aliphatic group, or a cyclic, heterocyclic or aromatic group having from 1 to 12 carbon atoms; and R6 has at least 10 carbon atoms and is an aliphatic group or an aromatic group. Mixtures of these compounds, methods for their preparation, their use as perfume materials for application to a variety of substrates and their use in flavouring and in articles of manufacture is also provided.
摘要翻译:式(I)的化合物:其中R是-CH 2 OH,-C(O)H,-C(OR 3)2) H,-C(OR 4)(OH)H,-CH-NC 6 H 4 C(O)或O 5或-CH-NR 6; R 1和R 2各自独立地为H或CH 3; R 3和R 4各自独立地为H或具有1至12个碳原子的直链或支链脂族基团,或每个R 3为 与另一个R 3共价连接以形成具有1至4个碳原子的环状缩醛; R 5是H或具有1至12个碳原子的直链或支链脂族基团或环状,杂环或芳族基团; 和R 6具有至少10个碳原子,并且是脂族基团或芳族基团。 还提供了这些化合物的混合物,其制备方法,它们作为用于各种底物的香料的用途以及它们在调味剂和制品中的应用。
摘要:
A novel compound which is highly effective in ameliorating the cellular disorders caused by radicals and in inhibiting the neurotoxicity induced by excitatory neurotransmitters such as glutamic acid. It is a compound represented by the following formula, a salt thereof, or a hydrate of either. (I) In the formula, Z means an optionally substituted, divalent, C2-3 organic group, etc., and R3 represents carboxyl, etc.
摘要翻译:本发明提供一种新兴化合物,其表现出对自由基引起的细胞损伤的抑制作用以及由兴奋性输尿管如谷氨酸诱导的神经毒性。 具体地,它提供由下式表示的化合物,其盐或它们的水合物。 其中Z表示2〜3个可具有取代基的碳原子的二价有机基团等; R 3表示羧基等。
摘要:
Adamantanemethanol derivatives represented by general formula (1) wherein R is hydrogen or a hydrocarbon group; R is a hydrocarbon group having, at the binding site to the adjacent carbon atom, a carbon atom bearing at least one hydrogen atom bonded thereto; and R , R and R are each hydrogen, optionally protected hydroxyl or the like, with the provisos that when R is hydrogen or methyl and R is methyl, at least one of the carbon atoms constituting the adamantane skeleton has protected hydroxyl or the like in a state bonded thereto and that when one of R and R is methyl and the other is ethyl, the adamantane ring has at least one more substituent in addition to the HO-C(R )(R )- group represented in the general formula (1).