Results 131 to 140 of about 3,633 (196)

A monoclinic polymorph of chloro-thia-zide. [PDF]

Acta Crystallogr E Crystallogr Commun
Brydson RKH, Kennedy AR.
europepmc   +1 more source

Photoreactive Properties of Melanin Obtained from Human Induced Pluripotent Stem Cell-Derived Melanocytes. [PDF]

Int J Mol Sci
Mokrzynski K, Wojtala M, Sulkowski M, Ito S, Wakamatsu K, Zadlo A, Majka M, Sarna T, Sarna M.   +8 more
europepmc   +1 more source

Regulatory mechanisms of nutritional factors on melanin deposition in Taihe Silky Fowls: review. [PDF]

Anim Biosci
Fu L, Dai W, Zhou S, Wang C.
europepmc   +1 more source

Azole Derivatives of 1,4-Benzothiazine as Antifungal Agents

Bioorganic and Medicinal Chemistry, 1998
A series of azole derivatives of 1,4-benzothiazine 7-14 was synthesized and evaluated for the in vitro and in vivo activity against Candida albicans. Secondary alcohol 10 and its ether derivative 13 showed very good efficacy against systemic candidiasis in a murine experimental model.
Lucia Pitzurra, A Vecchiarelli, Renata Fringuelli   +2 more
exaly   +6 more sources

The “Benzothiazine” Chromophore of Pheomelanins: A Reassessment^†

Photochemistry and Photobiology, 2007
AbstractThe characteristic absorption and photochemical properties of pheomelanins are generally attributed to “benzothiazine” structural units derived biogenetically from 5‐S‐cysteinyldopa. This notion, however, conveys little or no information about the structural chromophores responsible for the photoreactivity of pheomelanins.
NAPOLITANO, ALESSANDRA, DE LUCIA, MARIA, PANZELLA, LUCIA, D'ISCHIA, MARCO   +3 more
openaire   +5 more sources

1,2-Benzothiazine Derivatives From Sulfonimidamides by Metal-Catalyzed Annulation Reactions in Solution and Under Solvent-Free Mechanochemical Conditions

Advanced Synthesis and Catalysis, 2021
Three‐dimensional aza‐analogues of 1,2‐benzothiazine 1,1‐dioxides have been prepared from sulfonimidamides. Two different protocols are presented.
Carsten Bolm, Khai-Nghi Truong, Jan-Hendrik Schöbel   +2 more
exaly   +2 more sources

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A Straightforward Synthesis of Benzothiazines

Organic Letters, 2008
A series of 4H-3,1-benzothiazines have been successfully synthesized through a three-step sequence starting from commercially available 2-iodoaniline. The key step consists of the cyclization of compounds 6 via an intramolecular S-conjugate addition. The synthesis is straightforward, gives good yields and offers a broad range of possibilities since R ...
Carolina, Gimbert, Adelina, Vallribera
openaire   +2 more sources

Benzothiazines in Organic Synthesis. Stereoselectivity in the Intermolecular Michael Addition Reactions of Benzothiazines

Organic Letters, 2007
A study of the intermolecular Michael addition of certain benzothiazine anions demonstrated that stereoselectivity could be extremely high, though achieving control over the direction of relative stereoselectivity was in general not straightforward.
Michael, Harmata, Yugang, Chen, Charles L, Barnes   +2 more
openaire   +2 more sources