Cytarabine

Cytarabine

Cytarabine is an anti-neoplastic antimetabolite used in leukemia treatment by inhibiting DNA synthesis in rapidly dividing cancer cells. Structure of Cytarabine It is also known as Ara-C, is a pyrimidine analog with the following structural features: Cytosine Base: Similar to the natural nucleobase cytosine. Ribose Sugar: Modified with an arabinose moiety. Chemical Formula: C₄H₇N₃O₅ Mode … Read more

Floxuridine

Floxuridine

Floxuridine is an anti-neoplastic antimetabolite used mainly in colorectal cancer by inhibiting DNA synthesis in tumor cells. Structure of Floxuridine FUDR is a fluorinated pyrimidine analog with the following structural features: Uracil Base: Similar to uracil. Fluorine Atom: Substituted at the 5-position. Ribose Sugar: Attached to the uracil base, forming a nucleoside. Chemical Formula: C₆H₆FN₂O₆ … Read more

Azathioprine

Azathioprine

Azathioprine is an immunosuppressive and anti-neoplastic agent used in autoimmune diseases and organ transplants by inhibiting DNA synthesis. Structure of Azathioprine Azathioprine is a prodrug of 6-mercaptopurine and contains the following structural features: Imidazole Ring: Attached to a purine analog. Mercaptopurine Moiety: Linked via a thioester bond. Chemical Formula: C₉H₁₃N₇O₃S Mode of Action Azathioprine acts … Read more

Fluorouracil

Fluorouracil

Fluorouracil is an anti-neoplastic antimetabolite used to treat cancers like colorectal and breast by blocking DNA synthesis in rapidly dividing cells. Structure of Fluorouracil It is a pyrimidine analog with the following structural features: Uracil Base: Similar to the natural nucleobase uracil. Fluorine Atom: Substituted at the 5-position. Chemical Formula: C₄H₃FN₂O₂ Mode of Action Fluorouracil … Read more

Thiotepa

Thiotepa

Thiotepa is an anti-neoplastic alkylating agent used to treat breast, ovarian, and bladder cancers by disrupting cancer cell DNA replication. Structure of Thiotepa Thiotepa is a trivalent phosphoramide alkylating agent containing three chloroethyl groups attached to a nitrogen atom. Chemical Formula: C₆H₁₃Cl₃N₄O₂P Mode of Action DNA Alkylation: Forms crosslinks within and between DNA strands, inhibiting … Read more

Terpenoids

Terpenoids

Definition of Terpenoids: Terpenoids, or isoprenoids, are a diverse class of naturally occurring organic compounds derived from five-carbon isoprene units. They undergo modifications like oxidation and rearrangement, resulting in varied structures and functions. Structure and Classification of Terpenoids: Based on isoprene units: Monoterpenoids: C₁₀ (2 units) Sesquiterpenoids: C₁₅ (3 units) Diterpenoids: C₂₀ (4 units) Triterpenoids: … Read more

Busulfan

Busulfan

Busulfan is an anti-neoplastic alkylating agent used mainly in chronic myeloid leukemia (CML) by suppressing bone marrow and inhibiting cancer cell growth. Structure of Busulfan Busulfan is a bifunctional alkylating agent with two chloroethyl groups attached to a sulfur atom. Chemical Formula: C₄H₈Cl₂NS Mode of Action DNA Alkylation: Forms interstrand and intrastrand crosslinks with DNA, … Read more

Carotenoids (Other Terpenoids)

Carotenoids (Other Terpenoids)

General Introduction to Carotenoids (Other Terpenoids): Carotenoids are tetraterpenoids responsible for the yellow, orange, and red colors in plants. They are precursors of vitamin A and have antioxidant properties. Synonyms: Common name: Carotenoids Examples: Beta-carotene, Lycopene, Lutein Biological Source: Found in carrots (Daucus carota), tomatoes (Solanum lycopersicum), and marigold flowers (Tagetes erecta). Family: Varies depending … Read more

Taxus (Diterpenoids)

Taxus (Diterpenoids)

General Introduction to Taxus (Diterpenoids): Taxus (Yew tree) is a source of the diterpenoid paclitaxel, a potent anticancer agent. Synonyms: Common name: Yew Scientific name: Taxus brevifolia, Taxus baccata Synonyms: Pacific Yew, European Yew Biological Source: Derived from the bark of Taxus brevifolia and needles of Taxus baccata. Family: Taxaceae Composition: Major diterpenoid: Paclitaxel (Taxol): … Read more

Artemisia (Terpenoids)

Artemisia (Terpenoids)

General Introduction to Artemisia (Terpenoids): Artemisia contains sesquiterpene lactones, notably artemisinin, which is used in the treatment of malaria. Synonyms: Common name: Wormwood Scientific name: Artemisia annua Synonyms: Qinghao (Chinese) Biological Source: Derived from the aerial parts of Artemisia annua. Family: Asteraceae Composition: Major terpenoids: Artemisinin: A sesquiterpene lactone. Other sesquiterpenes and monoterpenes. Chemistry & … Read more

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