Nutritive glycerol esters of .beta.-acyloxy butyrates
    1.
    发明授权
    Nutritive glycerol esters of .beta.-acyloxy butyrates 失效
    β-酰氧基丁酸酯的营养甘油酯

    公开(公告)号:US5519161A

    公开(公告)日:1996-05-21

    申请号:US453549

    申请日:1995-05-03

    IPC分类号: C07C69/675 C07C69/66

    CPC分类号: C07C69/675

    摘要: Novel compositions that are useful as nutrients are disclosed. These compounds are preferably water soluble parenteral nutrients and are glycerol esters of .beta.-acyloxybutyrates of the formula ##STR1## wherein each R is the same or different and is hydrogen, or --COCH.sub.2 CHOR'CH.sub.3), provided that at least one R is not hydrogen and wherein R' is a linear acid ester of even carbon number from 2 to 20 carbons. These compositions are useful as a substitute for glucose in feeding.

    摘要翻译: 公开了可用作营养物质的新型组合物。 这些化合物优选是水溶性肠胃外营养物,并且是式“IMAGE”的β-酰氧基丁酸酯的甘油酯,其中每个R相同或不同,为氢或-COCH 2 CHOR'CH 3),条件是至少一个R不是氢 并且其中R'是碳数为2至20个碳原子的直链酸酯。 这些组合物可用作饲料中葡萄糖的替代物。

    Preparation of .alpha.-haloacetoacetic esters
    6.
    发明授权
    Preparation of .alpha.-haloacetoacetic esters 失效
    α-卤代乙酰乙酸酯的制备

    公开(公告)号:US4633013A

    公开(公告)日:1986-12-30

    申请号:US619450

    申请日:1984-06-11

    申请人: Robert J. Clemens

    发明人: Robert J. Clemens

    摘要: Disclosed is a process for the preparation of .alpha.-haloacetoacetic esters by the reaction of an alkali metal alkoxide with a 5-halo-4H-1,3-dioxin-4-one compound, the desired product being obtained as an alkali metal salt which may be converted to the corresponding free ester by treating with acid.

    摘要翻译: 公开了通过碱金属醇盐与5-卤代-4H-1,3-二恶英-4-酮化合物的反应来制备α-卤代乙酰乙酸酯的方法,所得产物作为碱金属盐得到, 可以通过用酸处理转化成相应的游离酯。

    Process for the preparation of .beta.-ketocarboximides of
.alpha.,.beta.-unsaturated amides
    8.
    发明授权
    Process for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides 失效
    制备α,β-不饱和酰胺的β-酮羧酰亚胺的方法

    公开(公告)号:US4992584A

    公开(公告)日:1991-02-12

    申请号:US231565

    申请日:1988-08-12

    申请人: Robert J. Clemens

    发明人: Robert J. Clemens

    IPC分类号: C07C231/08 C07C235/88

    CPC分类号: C07C235/88 C07C231/08

    摘要: A process is disclosed for the preparation of .beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides from 1,3-dioxin-4-ones and .alpha.,.beta.-unsaturated amides using an inert solvent system capable of maintaining both reactants substantially in homogeneous solution throughout the reaction. This process provides greatly improved yields of .alpha.,.beta.-ketocarboximides of .alpha.,.beta.-unsaturated amides as well as a simple method of recovering same since such products can readily be precipitated from the reaction mixture.

    摘要翻译: 公开了一种用于制备1,3-二恶英-4-酮和α,β-不饱和酰胺的α,β-不饱和酰胺的β-酮羧酰亚胺的方法,其使用能够使两种反应物基本上保持均匀溶液的惰性溶剂体系 反应。 该方法大大提高了α,β-不饱和酰胺的α,β-酮羧酰亚胺的产率,也提供了一种简单的回收方法,因为这些产物可以容易地从反应混合物中沉淀出来。