The invention provides compounds, compositions and methods relating to novel arylsulfonanilide derivatives and their use as pharmacologically active agents. The compositions find particular use as pharmacological agents in the treatment of disease states, particularly cancer, psoriasis, vascular restenosis, infections, atherosclerosis and hypercholesterolemia, or as lead compounds for the development of such agents.
The invention relates to a novel nine step process for synthesizing PQQ (methoxatin). This process is efficient and reliably provides PQQ in excellent purity and high yield.
SKIN TREATMENTS CONTAINING PYRROLOQUINOLINE QUINONE (PQQ) ESTERS AND METHODS OF PREPARATION AND USE THEREOF
申请人:Lewis, II Joseph Abernathy
公开号:US20140178316A1
公开(公告)日:2014-06-26
The present invention relates to cosmetic or dermatological compositions containing PQQ or its esters, methods of treating or promoting skin changes by topical application of these compositions, and methods of synthesis of PQQ esters. The PQQ ester-containing compositions of the present invention are unexpectedly effective in treating skin, particularly with respect to skin tolerance. When included in a topical composition, the PQQ esters of the present invention have an antioxidant effect that is useful in treating a skin change.
CRYSTALLINE FORMS OF PYRROLOQUINOLINE QUINONE DISODIUM SALT
申请人:ZHUCHENG HAOTIAN PHARM CO., LTD.
公开号:US20150291583A1
公开(公告)日:2015-10-15
The present invention relates to crystalline forms of pyrroloquinoline quinone disodium salt. The present invention provides crystalline Form A and crystalline Form B of pyrroloquinoline quinone disodium salt, and the methods and uses for the preparation thereof. The X-ray powder diffraction patterns of crystalline Form A and crystalline Form B are as shown by FIG.
1
and FIG.
5
, respectively. The crystalline forms of the present invention have low moisture absorption and high stability, as well as excellent use and storage performances.