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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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Plasminogen CAS Registry Number: 9001-91-6

Additional Names: Profibrinolysin; plasma trypsinogen
Literature References: Mol wt ~90,000. The circulating plasma precursor (zymogen) or inactive form of plasmin, q.v. Prepn from blood plasma: Loomis et al., Arch. Biochem. 12, 1 (1947); Oncley et al., J. Am. Chem. Soc. 71, 541 (1949). Purification: Christensen, Smith, Proc. Soc. Exp. Biol. Med. 74, 840 (1950); Kline, J. Biol. Chem. 204, 949 (1953); Hagan et al., ibid. 235, 1005 (1960); Hagan et al., US 3066079 (1962 to Am. Cyanamid); Derechin et al., Biochem. J. 84, 336 (1962); Mertz, Chan, Can. J. Biochem. Physiol. 41, 1811 (1963); D. G. Deutsch, E. T. Mertz, Science 170, 1095 (1970). Physical properties: Davies, Englert, J. Biol. Chem. 235, 1011 (1960). Converted to plasmin by natural activators such as streptokinase, urokinase, or tissue plasminogen activator, q.q.v., through the cleavage of a single arg-val bond. Mechanism of activation: K. C. Robbins et al., ibid. 242, 2333, 4279 (1967). Native plasminogen is a single chain glycopeptide. Two major molecular forms exist, differing in carbohydrate content and separable by affinity chromatography. Mol wt studies: Barlow et al., ibid. 244, 1138 (1969). Sequence studies: K. C. Robbins et al., ibid. 247, 6757 (1972); F. J. Castellino et al., Biochem. Biophys. Res. Commun. 53, 845 (1973). Carbohydrate comp: M. L. Hayes, F. J. Castellino, J. Biol. Chem. 254, 8768, 8772, 8777 (1979). Amino acid sequence and biochemistry: F. J. Castellino, Semin. Thromb. Hemostasis 10, 18 (1984). Biosynthesis and secretion by cultured hepatocytes: J. F. Bohmfalk, G. M. Fuller, Science 209, 408 (1980). Therapeutic use with streptokinase: I. D. Walker et al., Thromb. Haemostasis 51, 204 (1984). Review of fibrinolytic system: D. Collen, ibid. 43, 77-89 (1980). Reviews: Fibrinolysis, D. L. Kline, K. N. N. Reddy, Eds. (CRC, Boca Raton, 1980) 256 pp; F. J. Castellino, Chem. Rev. 81, 431-446 (1981).

Trypsin CAS Registry Number: 9002-07-7 胰蛋白酶

Trademarks: Parenzymol (Horner); Trypure (Novo)
Literature References: Mol wt 24,000. Proteolytic enzyme formed in the small intestine by the action of a peptidase, enterokinase, on the pancreatic cell product, trypsinogen. Acts on lysyl and arginyl bonds of peptide chains and hydrolyzes even esters and amides. Reviews: Desnuelle, "Trypsin" in The Enzymes vol. 4, P. D. Boyer et al., Eds. (Academic Press, New York, 2nd ed., 1960) pp 119-132; Keil, ibid. vol. 3 (3rd ed., 1971) pp 250-275; Inagami, "Trypsin" in Proteins, Structure and Function vol. 1, M. Funatsu et al., Eds. (Kodansha, Tokyo, Wiley, New York, 1972) pp 1-83.

Prothrombin CAS Registry Number: 9001-26-7 凝血酶原(人血浆)

CAS Name: Blood-coagulation factor II
Additional Names: Factor II; prothrombase; serozyme; thrombogen
Literature References: Mol wt 69,000-74,000. Coagulation proenzyme present in highest concentration in blood. Prothrombin is one of the vitamin-K dependent blood coagulation factors. It is converted to thrombin by the action of factor Xa, factor V and phospholipid in the presence of Ca2+ ions. Accounts for < 0.2% of total plasma protein. Prepn of human and bovine prothrombin: Goldstein et al., J. Biol. Chem. 234, 2857 (1959); Lanchantin et al., ibid. 238, 238 (1963). Chemistry of activation: Magnussen, Biochem. J. 115, 2P (1969). Synthesized normally by liver parenchymal cells in a cyclic asynchronous manner. Dicoumarol derivatives halt the synthesis, while vitamin K1 stimulates synchronized activity of all the liver parenchymal cells: Barnhart, Anderson, Biochem. Pharmacol. 9, 23 (1962). The glycoprotein structure probably consists of a single polypeptide chain containing between 8 and 10% carbohydrate: Magnussen, Thromb. Diath. Haemorrh. suppl. 54, 31 (1973). Reviews: W. H. Seegers, Prothrombin (Harvard Univ. Press, 1962) 728 pp; Magnussen "Prothrombin and Thrombin," in The Enzymes Vol. III, P. D. Boyer, Ed. (Academic Press, New York, 3rd ed., 1971) pp 277-321; K. G. Mann, Methods Enzymol. 45B, 123-156 (1976). Review on prothrombin activation: several authors in Ann. N.Y. Acad. Sci. 370, 336-528 (1981).

Guar Gum CAS Registry Number: 9000-30-0 瓜尔豆胶

Additional Names: Guar flour; gum cyamopsis; cyamopsis gum; Burtonite V-7-E
Trademarks: Decorpa (Norgine); Guarina (Norgine); Glucotard (Boehringer, Mann.); Guarem (Shire)
Literature References: Mol wt about 220,000. The ground endosperms of Cyamopsis tetragonolobus (L.) Taub., Leguminosae which is cultivated in India as livestock feed. The water soluble fraction (85%) of guar flour is called guaran which consists of linear chains of (1®4)-b-D-mannopyranosyl units with a-D-galactopyranosyl units attached by (1®6) linkages. Ratio of D-galactose to D-mannose is 1:2. Effect on lipid metabolism: D. J. A. Jenkins et al., Br. Med. J. 2, 1555 (1979); on glucose and lipid levels in diabetic and healthy volunteers: U. Smith, G. Holm, Atherosclerosis (Shannon, Ire.) 45, 1 (1982); on renal tumors in diabetic rats: B. C. Chin et al., Biomed. Res. 5, 273 (1984). As source of fiber in patients with non-insulin dependent diabetes: M. E. McIvor et al., Am. J. Clin. Nutr. 41, 891 (1985). Toxicology studies: S. L. Graham et al., Food Cosmet. Toxicol. 19, 287 (1981). Comprehensive monograph: F. Smith, R. Montgomery, The Chemistry of Plant Gums and Mucilages (Reinhold, New York, 1959) 627 pp. Review: Goldstein et al. in Industrial Gums, R. L. Whistler, Ed. (Academic Press, New York, 2nd ed., 1973) p 303-321. Comprehensive description: K. Yu et al., Anal. Profiles Drug Subs. Excip. 24, 243-276 (1996).

Factor XII CAS Registry Number: 9001-30-3 凝血因子十二,人类

CAS Name: Blood-coagulation factor XII
Additional Names: Hageman factor; HF
Literature References: Mol wt about 82,000. An enzyme which circulates in zymogen form in blood and when activated initiates the first of a series of events in coagulation of blood plasma. Enzymatic nature of blood coagulation is described by the "cascade" theory in which clotting factors interact with one another in a stepwise manner, one acting as an enzyme, the other as substrate, in a sequence of reactions leading to the formation of thrombin, q.v.: Davie, Ratnoff, Science 145, 1310 (1964); MacFarlane, Nature 202, 498 (1964). Factor XII initiates clotting when blood or plasma comes into contact with glass, collagen, or surface-active agents. Once activated, it interacts with factor XI, q.v., to convert it to an enzyme. Factor XII is a sialoglycoprotein with esterase activity. Its activation by glass may be viewed as a dynamic alteration of the tertiary structure of the protein moiety: Schoenmakers et al., Biochim. Biophys. Acta 101, 166 (1965). Isoln of human and rabbit factor XII in zymogen form: C. G. Cochrane, K. D. Wuepper, J. Exp. Med. 134, 986 (1971); H. Saito et al., Circ. Res. 34, 641 (1974). Highly purified Hageman factor undergoes a change in physical properties during activation: Donaldson, Ratnoff, Science 150, 754 (1965). Factor XII deficiency is termed the Hageman trait. Unlike deficiencies in all other clotting factors, persons with Hageman trait do not show significant bleeding tendencies. Reviews: Ratnoff in New Blood Clotting Factors, I. S. Wright et al., Eds. (Schattauer-Verlag, Stuttgart, 1960) pp 116-122; Ratnoff et al., in Thrombolytic Activity and Related Phenomena, I. S. Wright et al., Eds. (Schattauer-Verlag, Stuttgart, 1961) pp 364-378; several authors in Recent Advances in Blood Coagulation, L. Poller, Ed. (J. A. Churchill, London, 1969); J. Spragg, K. F. Austen, Compr. Immunol. 3, 125-143 (1977); J. H. Griffin, C. G. Cochrane, Methods Enzymol. 45B, 56-65 (1976).

Chondroitin Sulfate CAS Registry Number: 9007-28-7 硫酸软骨素

Additional Names: Chondroitinsulfuric acid
Trademarks: Chonsurid; Structum (SKB)
Literature References: Mol wt estimated at 50,000 depending on source and method of prepn: Schubert, Fed. Proc. 17, 1099 (1958). High viscosity mucopolysaccharides (glycosaminoglycans) with N-acetylchondrosine as a repeating unit and with one sulfate group per disaccharide unit. These biological polymers act as the flexible connecting matrix between the tough protein filaments in cartilage to form a polymeric system similar to reinforced rubber. Chondroitin 4-sulfate and chondroitin 6-sulfate are the most abundant mucopolysaccharides in the body and occur both in skeletal and soft connective tissue. Isoln: Bray et al., Biochem. J. 38, 142 (1944); Patat, Elias, Z. Physiol. Chem. 316, 1 (1959); Kasavina et al., SU 157466 (1962); Wheat, Davidson, Biochem. Prep. 10, 52 (1963); Haneno, JP 64 7650 (1964 to Yasushi Hano). Structure: Davidson, Meyer, J. Am. Chem. Soc. 77, 4796 (1955). Absorption spectrum of A: Orr, Biochim. Biophys. Acta 14, 173 (1954); of B + C: Mathews, Nature 181, 421 (1958). Clinical trials in atherosclerosis: K. Nakazawa, K. Murata, J. Int. Med. Res. 6, 217 (1978); eidem, Z. Alternsforsch. 34, 153 (1979). Reviews: K. Meyer, "Chondroitin Sulfates" in Polysaccharides in Biology, Trans. 4th Conf. 1958, G. F. Springer, Ed. (Josiah Macy Jr. Foundn., New York, 1959) p 11; Muir, Am. J. Med. 47, 673-690 (1969); Rodén, Pure Appl. Chem. 35, 181-193 (1973). Review of clinical use in osteoarthritis: T. E. McAlindon et al., J. Am. Med. Assoc. 283, 1469-1475 (2000). See also Chondrosine.

Curvularin CAS Registry Number: 10140-70-2 弯孢霉菌素

CAS Name: 4,5,6,7,8,9-Hexahydro-11,13-dihydroxy-4-methyl-2H-3-benzoxacyclododecin-2,10(1H)-dione
Percent Composition: C 65.74%, H 6.90%, O 27.37%
Literature References: Mold metabolite from a species of Convalaria: Musgrave, J. Chem. Soc. 1956, 4301; from Penicillium steckii: Fennell et al., Chem. Ind. (London) 1959, 1382. Structure: Birch et al., J. Chem. Soc. 1959, 3146. Synthesis: H. Gerlach, Helv. Chim. Acta 60, 3039 (1977); of dl-O,O-dimethyl ether: Baker et al., J. Chem. Soc. C 1967, 1913; T. Takahashi et al., Tetrahedron Lett. 21, 3885 (1980); H. H. Wasserman, R. J. Gambale, ibid. 22, 4849 (1981).

Caldariomycin CAS Registry Number: 465-61-2 (1S,3S)-2,2-二氯环戊烷-1,3-二醇

CAS Name: (1S-trans)-2,2-Dichloro-1,3-cyclopentanediol
Additional Names: 1,3-dihydroxy-2,2-dichlorocyclopentane
Percent Composition: C 35.11%, H 4.71%, Cl 41.46%, O 18.71%
Literature References: Mold metabolite from Caldariomyces fumago Woronichin. Isoln and structure: Clutterbuck et al., Biochem. J. 34, 664 (1940). Biosynthesis: Shaw et al., J. Biol. Chem. 234, 2560 (1959); Beckwith, ibid. 238, 3086 (1963); Beckwith, Hager, ibid. 3091. Synthesis: eidem, J. Org. Chem. 26, 5206 (1961); Burgstahler et al., ibid. 31, 3516 (1966). Abs configuration: Johnson et al., J. Am. Chem. Soc. 90, 136 (1968).

Frequentin CAS Registry Number: 29119-03-7 环己烷羧醛,6-(1,3-庚他二烯-1-基)-3,4-二羟基-2-氧基-

CAS Name: 6-(1,3-Heptadienyl)-3,4-dihydroxy-2-oxocyclohexanecarboxaldehyde
Percent Composition: C 66.64%, H 7.99%, O 25.36%
Literature References: Mold metabolite with antineoplastic and antibiotic activity; isolated from Penicillium frequentans Westling and P. palitans Westling: Curtis et al., Nature 167, 557 (1951); Birkinshaw, Biochem. J. 51, 271 (1952). Structure: Sigg, Helv. Chim. Acta 46, 1061 (1963). Effect on Ehrlich ascites carcinoma cells: J. Fuska et al., Int. Congr. Chemother., Proc., 7th, Prague, 1971 vol. 2 (Univ. Park Press, Baltimore, 1972) pp 97-98. Synthetic study: C. G. Unson, Diss. Abstr. B 39, 1296 (1978).

Bullvalene CAS Registry Number: 1005-51-2

CAS Name: Tricyclo[3.3.2.02,8]deca-3,6,9-triene
Additional Names: tricyclo[3.3.2.04,6]deca-2,7,9-triene
Percent Composition: C 92.26%, H 7.74%
Literature References: Molecular structure is highly fluxional; spontaneously undergoes a 3-fold structurally degenerate Cope rearrangement at room temp, resulting in 10!/3 structurally equivalent geometric isomers. 1H NMR spectrum is a sharp singlet peak at high temp. Predicted as a hypothetical molecule: W. von E. Doering, W. R. Roth, Tetrahedron 19, 715 (1963). Prepn: G. Schröder, Angew. Chem. 75, 722 (1963). 1H NMR spectrum: R. Merényi et al., Ber. 97, 3150 (1964). Vapor phase structure determn: B. Andersen, A. Marstrander, Acta Chem. Scand. 25, 1271 (1971). Microwave and vibrational spectral study: W. M. Stigliani, V. W. Laurie, J. Mol. Spectrosc. 60, 188 (1976). Calorimetry study: M. Mansson, S. Sunner, J. Chem. Thermodyn. 13, 671 (1981). Review of chemistry: G. Schröder, J. F. M. Oth, Angew. Chem. Int. Ed. 6, 414-423 (1967); of discovery and characterization: A. Ault, J. Chem. Educ. 78, 924-927 (2001).