在
对甲苯磺酸 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以94%的产率得到xanthoangelol H
参考文献:
名称:
Synthesis of 4-hydroxyderricin and related derivatives
摘要:
Naturally occurring chalcones, namely 4-hydroxyderricin (1), xanthoangelol H (2), deoxyxanthoangelol H (3). and deoxydihydroxanthoangelol H (4), were first synthesized and evaluated for antibacterial activities. (C) 2008 Elsevier Ltd. All rights reserved.
A therapeutic agent and prophylactic agent for a disease accompanying an abnormality in an amount of insulin or insulin response, an agent for an insulin-mimetic action, a food, beverage and feed, an agent for enhancing glucose uptake into a cell, and an agent for inducing differentiation into an adipocyte, characterized in that each comprises as an effective ingredient at least one compound selected from the group consisting of a chalcone compound, an acetophenone compound, a coumarin compound, a phthalide compound, derivatives thereof, and pharmacologically acceptable salts thereof.
The present invention relates to a medicament, a food, a beverage or a feed, each comprising as an effective ingredient a compound having an enhancing action for NGF production, which is effective for a treatment, an amelioration of symptom, prevention or the like of a disease requiring enhancement of NGF production, wherein the compound has a coumarin and/or chroman backbone. Since no toxicity is especially found in the effective ingredient of the present invention, and there is no risk of incidence of adverse actions, the treatment or the like of the above disease can be safely and appropriately carried out.
The present invention relates to a medicament, a food, a beverage or a feed, each comprising as an effective ingredient a compound having an enhancing action for NGF production, which is effective for a treatment, an amelioration of symptom, prevention or the like of a disease requiring enhancement of NGF production, wherein the compound has a coumarin and/or chroman backbone. Since no toxicity is especially found in the effective ingredient of the present invention, and there is no risk of incidence of adverse actions, the treatment or the like of the above disease can be safely and appropriately carried out.
Naturally occurring chalcones, namely 4-hydroxyderricin (1), xanthoangelol H (2), deoxyxanthoangelol H (3). and deoxydihydroxanthoangelol H (4), were first synthesized and evaluated for antibacterial activities. (C) 2008 Elsevier Ltd. All rights reserved.