其它产品项目整合

项目整合的本质是一项集合成方法学、反应工程学与过程分析技术于一体的系统工程。其核心逻辑可以概括为以下几点：源头优选：利用如N-硝胺化学等底层方法学突破，从分子层面颠覆传统高成本、高污染路线。过程强化：依托连续流技术，攻克有机金属试剂应用、光化学反应放大等“不可能”任务，实现高危工艺的本质安全。系统集成：整合“反应-淬灭-分离”全流程，利用微流控与在线分析技术，消除批次间的差异，实现药品制造的连续化与智能化。当前，中间体工艺研发正在经历从“经验驱动”向“数据驱动”的转变。AI辅助路线设计、自动化高通量筛选与连续制造平台的结合，将使得“分子结构与最优工艺路径”之间的映射关系逐渐清晰。未来的竞争优势，将属于那些能够将底层化学创新与先进工程技术进行无缝整合的研发体系。
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其它产品项目整合

Pepstatin CAS Registry Number: 26305-03-3 胃蛋白酶抑制剂

CAS Name: N-(3-methyl-1-oxobutyl)-L-valyl-L-valyl-(3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl-N-[(1S)-1-[(1S)-2-carboxy-1-hydroxyethyl]-3-methylbutyl]-L-alaninamide
Additional Names: Pepstatin ...
Literature References: A pentapeptide pepsin inhibitor, isolated from cultured broths of Streptomyces testaceus Hamada et Okami and Streptomyces argenteolus var. toyonakensis: H. Umezawa et al., J. Antibiot. 23, 259 (1970). Prepn: H. Umezawa et al., DE 2028403 (1971 to Microbiochemical Res. Found.), C.A. 74, 75201c (1971). Structure: H. Morishima et al., J. Antibiot. 23, 263 (1970). Synthesis: H. Morishima et al., ibid. 25, 551 (1972). Biological properties: T. Aoyagi et al., ibid. 24, 687 (1971). N-n-Caproyl and N-iso-caproyl derivatives, pepstatin B and pepstatin C, also isolated from pepstatin-producing Streptomyces, as minor components of crude preparations: T. Miyano et al., ibid. 25, 489 (1972). Mechanism of pepsin inhibition: S. Kunimoto et al., ibid. 251; 27, 413 (1974); J. Marciniszyn et al., Adv. Exp. Med. Biol. 95, 199 (1977); D. H. Rich, E. T. O. Sun, Biochem. Pharmacol. 29, 2205 (1980); of other acid protease inhibition: D. H. Rich et al., Biochemistry 24, 3165 (1985). Tissue distribution in rats: D. A. W. Grant et al., Biochem. Pharmacol. 31, 2302 (1982). Effect on gastric ulcers in man: O. Bonnevie et al., Gut 20, 624 (1979); L. B. Svendsen et al., Scand. J. Gastroenterol. 14, 929 (1979).

Adonitol CAS Registry Number: 488-81-3 侧金盏花醇

CAS Name: Ribitol
Additional Names: adonite
Percent Composition: C 39.47%, H 7.95%, O 52.58%
Literature References: A pentitol from Adonis vernalis L., Ranunculaceae; also from A. amurensis L., Ranunculaceae: Santavy, Reichstein, Pharm. Acta Helv. 23, 153 (1948).

Peyonine CAS Registry Number: 19717-25-0 1-[2-(3,4,5-三甲氧基苯基)乙基]-1H-吡咯-2-羧酸

CAS Name: 1-[2-(3,4,5-Trimethoxyphenyl)ethyl]-1H-pyrrole-2-carboxylic acid
Percent Composition: C 62.94%, H 6.27%, N 4.59%, O 26.20%
Literature References: A peyote alkaloid, isolated from Lophophora williamsii (Lem.) Coult. Isoln and synthesis: Kapadia, Shah, Lloydia 30, 287 (1967). Structure studies: Kapadia, Highet, J. Pharm. Sci. 57, 191 (1968).

D -Glucoascorbic Acid CAS Registry Number: 528-88-1 (S)-3,4-二羟基-5-((1R,2R)-1,2,3-三羟基丙基)呋喃-2(5H)-酮

CAS Name: D-arabino-Hept-2-enonic acid g-lactone
Additional Names: 3-keto-D-glucoheptonofuranolactone
Percent Composition: C 40.78%, H 4.89%, O 54.33%
Literature References: A physiologically inactive homolog of ascorbic acid. Prepn: Ault et al., J. Chem. Soc. 1933, 741; Baird et al., ibid. 1934, 62; Reichstein et al., Helv. Chim. Acta 17, 510 (1934); Stacey, Turton, J. Chem. Soc. 1946, 661; Stedehouder, Rec. Trav. Chim. 71, 831 (1952). Review on analogs of ascorbic acid: Smith, Adv. Carbohydr. Chem. 2, 79 (1946).

Helminthosporol CAS Registry Number: 1619-29-0 长蠕孢醇

CAS Name: (1R,4R,5S,8S)-8-(Hydroxymethyl)-1,7-dimethyl-4-(1-methylethyl)bicyclo[3.2.1]oct-6-ene-6-carboxaldehyde
Additional Names: 8-(hydroxymethyl)-4-isopropyl-1,7-dimethylbicyclo[3.2.1]oct-6-...
Literature References: A plant-growth regulator isolated from Helminthosporium sativum as (-)-form. Prepn: Tamura et al., Agric. Biol. Chem. 29, 216 (1965); Tamura, Sakurai, ibid. 28, 337 (1964); Tamura et al., ibid. 27, 738 (1963). Synthesis of (+)-form: E. Piers, H. P. Isenring, Can. J. Chem. 55, 1039 (1977).

Factor IX CAS Registry Number: 9001-28-9 血液凝固因子IX

CAS Name: Blood-coagulation factor IX
Additional Names: Christmas factor; PTC; plasma thromboplastin component; antihemophilic factor B; autoprothrombin II
Literature References: A plasma and serum glycoprotein that participates in the middle phases of blood coagulation. Activated by factor XI and Ca2+. Interacts then with factor VIII, Ca2+, and phospholipid to form the complex which converts factor X into factor Xa. Isoln and characterization of bovine factor IX: K. Fujikawa et al., Biochemistry 12, 4938 (1973); K. Fujikawa, E. W. Davie, Methods Enzymol. 45B, 74 (1976). Deficiency results in a congenital bleeding disorder known as Christmas disease or hemophilia B. Review: Macfarlane in Thrombolytic Activity and Related Phenomena, I. S. Wright et al., Eds. (Schattauer-Verlag, Stuttgart, 1961) pp 408-415; B. N. Bouma, J. A. Van Mourik, Haemostasis: Biochemistry, Physiology Pathology, D. Ogston, B. Bennett, Eds. (Wiley-Interscience, New York, 1977) pp 56-77.

Fibrinogen CAS Registry Number: 9001-32-5 纤维蛋白原

Additional Names: Factor I
Trademarks: Parenogen (Miles)
Literature References: A plasma glycoprotein belonging structurally to the keratin-myosin group. Synthesized and secreted by hepatic parenchymal cells. Present to the extent of 0.3-0.4 g/100 ml in human plasma. Essential to the clotting of blood. Its synthesis is greatly increased during acute inflammatory challenge. The fibrinogen molecule consists of three peptide chains, a (A), b (B), and g (C), crosslinked by several disulfide bonds. The mol wt of about 400,000 represents a dimeric form of the molecule. Thrombin releases fibrinopeptides A and B from the N-terminal ends of the a and b chains of fibrinogen in the formation of fibrin during coagulation. Because fibrinogen is less sol than other plasma proteins it is readily separated by precipitation with sodium chloride: Florkin, J. Biol. Chem. 87, 629 (1930); or with ammonium sulfate: Nanninga, Arch. Neerl. Physiol. 28, 241 (1946). Prepn from human plasma: Edsall et al., J. Am. Chem. Soc. 69, 2731 (1947). Purification: Cama et al., Naturwissenschaften 48, 574 (1961). End group determination: Lorand, Middlebrook, Science 118, 515 (1953). Structure studies: Schauenstein, Hochenegger, Z. Naturforsch. 8b, 473 (1953); Edsall, J. Polym. Sci. 12, 253 (1954). Reviews: Seegers, Physiol. Rev. 34, 711 (1954); Lorand, Fed. Proc. 24, no. 4, part 1, 784 (1965); several authors, Thromb. Diath. Haemorrh. Suppl. 39 (1970); A. L. Copley, Thromb. Res. 14, 249 (1979). Fibrinogen has been shown to be the receptor for the endogenous lectin (agglutinin) secreted by activated platelets: T. K. Gartner et al., Nature 289, 688 (1981). Review of biosynthesis: G. M. Fuller, D. G. Ritchie, Ann. N.Y. Acad. Sci. 389, 308-322 (1982).

Paraldehyde CAS Registry Number: 123-63-7 三聚乙醛

CAS Name: 2,4,6-Trimethyl-1,3,5-trioxane
Additional Names: paracetaldehyde
Trademarks: Paral (Forest)
Percent Composition: C 54.53%, H 9.15%, O 36.32%
Literature References: A polymer of acetaldehyde. Prepd by the polymerization of acetaldehyde catalyzed by HCl and H2SO4 at medium to high temp: Kekulé, Zincke, Ann. 162, 125 (1872); Baer, Mahan, US 2864827 (1958 to Phillips). Toxicity data: Figot et al., Acta Pharmacol. Toxicol. 8, 290 (1952).

Sodium Polyanetholesulfonate CAS Registry Number: 52993-95-0 聚茴香磺酸钠

Additional Names: Polyanetholesulfonic acid sodium salt; anetholesulfonic acid sodium salt polymer
Literature References: A polymer of anetholesulfonic acid. Originally developed as an anticoagulant, it was soon found that it possesses anticomplement action and lowers the bactericidal action of blood. Ref: Demole, Reinert, Arch. Exp. Pathol. Pharmakol. 158, 211 (1930); Friedmann, Klin. Wochenschr. 14, 215 (1935); Stuart, J. Clin. Pathol. 1, 311 (1948).

Polyvinyl Alcohol CAS Registry Number: 9002-89-5 聚乙烯醇

CAS Name: Ethenol homopolymer
Additional Names: PVA
Trademarks: Akwa Tears (Akorn); Elvanol (DuPont); Gelvatol (Monsanto); Liquifilm (Allergan); Mowiol (Hoechst); Polyviol (Wacker); Sno Tear...
Literature References: A polymer prepd from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups. The alcoholysis proceeds most rapidly in a methanol + methyl acetate mixture in the presence of catalytic amounts of alkali or mineral acids: Hermann, Haehnel, Ber. 60, 1658 (1927). Monograph: C. E. Schildknecht, Vinyl and Related Polymers (Wiley, New York, 1952). The head-to-tail or 1,3-glycol structure is favored: Staudinger et al., Ber. 60, 1782 (1927); J. Prakt. Chem. 155, 261 (1940); Marvel, Denoon, J. Am. Chem. Soc. 60, 1045 (1938); McDowell, Kenyon, ibid. 62, 415 (1940); Marvel, Inskeep, ibid. 65, 1710 (1943). Reviews: M. Leeds in Kirk-Othmer Encyclopedia of Chemical Technology vol. 21 (Wiley-Interscience, New York, 2nd ed., 1970) pp 353-368; Polyvinyl Alcohol, A. C. Finch, Ed. (Wiley, New York, 1973) 640 pp; A. S. Dunn, Chem. Ind. (London) 1980, 801-806. Vinyl alcohol monomer has not been isolated. Review: R. B. Seymour, G. B. Kauffman, J. Chem. Educ. 71, 582 (1994). Comprehensive description: D. Wong, J. Parasrampuria, Anal. Profiles Drug Subs. Excip. 24, 397-441 (1996).