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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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Isobutylene CAS Registry Number: 115-11-7 2-甲基丙烯

CAS Name: 2-Methylpropene
Additional Names: isobutene
Percent Composition: C 85.62%, H 14.37%
Literature References: Obtained from refinery streams by absorption on 65% H2SO4 at about 15°: Packie, Rupp, US 2424186, US 2509885; Draeger, US 2456260; Steele, Epps Jr., US 2497191 (1947, 1950, 1948, 1950, all to Standard Oil); Peters, Gothman; Edwards, Wesselhoft, US 2962537; US 3129265 (1960, 1964, both to Esso). Separation from a mixed C4 stream using 50% H2SO4: GB 824573, GB 858645 and FR 1337232 (1959, 1961 and 1963 to Compagnie Francaise de Raffinage); Valet et al., Hydrocarbon Process. Petr. Refin. 41, No. 5, 119 (1962); Martel, Chem. Eng. 72, No. 7, 66 (1965). Prepn: Verdol, US 3170000 (1965 to Sinclair). Review: Kennedy, Kirshenbaum, "Isobutylene" in Vinyl and Diene Monomers (part 2), E. C. Leonard, Ed. (Wiley-Interscience, New York, 1971) pp 691-756.

Digitalin CAS Registry Number: 752-61-4 毛地黃苷

CAS Name: (3b,5b,16b)-3-[(6-Deoxy-4-O-b-D-glucopyranosyl-3-O-methyl-b-D-galactopyranosyl)oxy]-14,16-dihydroxycard-20(22)-enolide
Additional Names: digitalinum verum; digitalinum true; Schmiedeb...
Literature References: Obtained from seeds of Digitalis purpurea L., Scrophulariaceae, and from roots of Adenium honghel A. DC., Apocynaceae: Schmiedeberg, Arch. Exp. Pathol. Pharmakol. 3, 16 (1874); Windaus, Haack, Ber. 62, 475 (1929); Hunger, Reichstein, Helv. Chim. Acta 33, 76 (1950); Sasakawa, J. Pharm. Soc. Jpn. 74, 474 (1954); Miyatake et al., Pharm. Bull. 5, 157 (1957).

Cyclopentadiene CAS Registry Number: 542-92-7 环戊二烯

CAS Name: 1,3-Cyclopentadiene
Percent Composition: C 90.85%, H 9.15%
Literature References: Obtained from the distillates produced in carbonization of coal, esp from the foreruns of coke-oven light oil: Ward, US 2211038 (1940); process involving the liquefaction of coke-oven gas: Horclois, Chim. Ind. (Paris), special issue April 1934, pp 357-363. Also obtained during the cracking of petr hydrocarbons: Tropsch et al., Ind. Eng. Chem. 30, 169 (1938); cf. Dedussenko, J. Gen. Chem. USSR 7, 1467 (1937); Chem. Zentralbl. 109, I, 793 (1938). Synthesis by passing vaporized cyclopentane over activated alumina and oxides of molybdenum, chromium, or vanadium: Grosse et al., Ind. Eng. Chem. 32, 309 (1940); US 2157202; US 2157203; US 2157939. Lab prepn by depolymerization of dicyclopentadiene: Moffett, Org. Synth. coll. vol. IV, 238 (1963). Toxicity study: Smyth et al., Arch. Ind. Hyg. Occup. Med. 10, 61 (1954). Review and discussion of structure: Wilson, Wells, Chem. Rev. 34, 1 (1944). Review: M. Fefer, A. B. Small in Kirk-Othmer Encyclopedia of Chemical Technology vol. 7 (Wiley-Interscience, New York, 3rd ed., 1979) pp 417-429.

Digitonin CAS Registry Number: 11024-24-1 毛地黄皂苷

Additional Names: Digitin
Percent Composition: C 54.71%, H 7.54%, O 37.74%
Literature References: Obtained from the seeds of Digitalis purpurea L., Scrophulariaceae. Extraction procedure: Gisvold, J. Am. Pharm. Assoc. 23, 664 (1934). Purification of commercial digitonin and its separation into two fractions: G. Ruhenstroth-Bauer, P. M. Breitenfeld, Z. Physiol. Chem. 302, 111 (1955). Structure: Tschesche, Wulff, Tetrahedron 19, 621 (1963). Use as clinical reagent: H. H. Leffler, Am. J. Clin. Pathol. 31, 310 (1959).

Ouabain CAS Registry Number: 630-60-4 g-羊角拗质

CAS Name: (1b,3b,5b,11a)-3-[(6-Deoxy-a-L-mannopyranosyl)oxy]-1,5,11,14,19-pentahydroxycard-20(22)-enolide
Additional Names: G-strophanthin; Gratus strophanthin; acocantherin
Percent Composit...
Literature References: Obtained from the seeds of Strophanthus gratus (Wall. Hock.) Baill.; also occurs in Acokanthera ouabaio Cathel and other A. spp, Apocynaceae. Isoln: Schwartze et al., J. Pharmacol. 36, 481 (1929). Hydrolysis yields one mol ouabagenin and one mol rhamnose: Jacobs, Bigelow, J. Biol. Chem. 96, 647 (1932). Toxicity study: Small et al., Toxicol. Appl. Pharmacol. 20, 44 (1971). See also Fieser, Fieser, Steroids (1959, Reinhold, New York; Chapman Hall, London) pp 768, 772; Reichstein, Reich, Annu. Rev. Biochem. 15, 155 (1946).

D -Psicose CAS Registry Number: 551-68-8 D-阿洛酮糖

Additional Names: D-ribo-2-Ketohexose; D-ribohexulose; D-allulose; D-erythrohexulose; pseudofructose
Percent Composition: C 40.00%, H 6.71%, O 53.28%
Literature References: Occurrence and identification as a non-fermentable substance in cane molasses: Zerban, Sattler, Ind. Eng. Chem. 34, 1180 (1942). Structure: Ohle, Just, Ber. 68, 601 (1935). Prepn starting with D-ribono-g-lactone: Wolfrom et al., J. Am. Chem. Soc. 67, 1793 (1945); from D-allose: Steiger, Reichstein, Helv. Chim. Acta 19, 184 (1937); from D-glucose: Hough et al., J. Chem. Soc. 1953, 2005.

Stigmastanol CAS Registry Number: 83-45-4 豆甾烷醇

CAS Name: (3b,5a)-Stigmastan-3-ol
Additional Names: dihydro-b-sitosterol; b-sitostanol; 24a-ethylcholestanol; fucostanol
Percent Composition: C 83.58%, H 12.58%, O 3.84%
Literature References: Occurs along with b-sitosterol and stigmasterol. Formation from b-sitosterol: Bernstein, Wallis, J. Org. Chem. 2, 341 (1937); from b-sitostenone: Marker, Wittle, J. Am. Chem. Soc. 59, 2704 (1937). Antihypercholesteremic activity in rabbits: I. Ikeda et al., J. Nutr. Sci. Vitaminol. 27, 243 (1981).

Isothebaine CAS Registry Number: 568-21-8 異蒂巴因

CAS Name: (6aS)-5,6,6a,7-Tetrahydro-2,11-dimethoxy-6-methyl-4H-dibenzo[de,g]quinolin-1-ol
Additional Names: 2,11-dimethoxy-6aa-aporphin-1-ol; 1-hydroxy-2,11-dimethoxyaporphine
Percent Compos...
Literature References: Occurs as d-form in the root and whole plant of Papaver orientale L., Papaveraceae, collected in late autumn. Isoln: Gadamer, Arch. Pharm. 249, 39 (1911). Structure: Bentley, Blues, J. Chem. Soc. 1956, 1732; Bentley, Dyke, J. Org. Chem. 22, 429 (1957). Synthesis of dl-form: Battersby, Brown, Proc. Chem. Soc. London 1964, 85; H. Hara et al., Chem. Pharm. Bull. 29, 1083 (1981). Synthesis of natural and racemic forms: Battersby et al., J. Chem. Soc. 1965, 4550. Biosynthesis: eidem, Chem. Commun. 1965, 230.

Chrysanthemic Acid CAS Registry Number: 10453-89-1 2,2-D2,2-二甲基-3-(2-甲基丙-1-烯-1-基)环丙烷甲酸

CAS Name: 2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid
Additional Names: chrysanthemummonocarboxylic acid; chrysanthemumic acid
Percent Composition: C 71.39%, H 9.59%, O 1...
Literature References: Occurs as esters in pyrethrum flowers, see Pyrethrin I and Cinerin I, also Allethrin (a synthetic product). Isoln and structure: Staudinger, Ruzicka, Helv. Chim. Acta 7, 177, 201 (1924). Synthesis: Staudinger et al., ibid. 390; Campbell, Harper, J. Chem. Soc. 1945, 283; M. J. Devos, A. Krief, Tetrahedron Lett. 1978, 1845; 1979, 1891; O. A. Nesmeyanova et al., Synthesis 1982, 296. Asymmetric synthesis: T. Aratani et al., ibid. 1977, 2599. Stereoselective synthesis of dl-trans-chrysanthemic acid: Mills et al., Chem. Commun. 1971, 555; eidem, J. Chem. Soc. Perkin Trans. 1 1973, 133; S. C. Welch, T. A. Valdes, J. Org. Chem. 42, 2108 (1977); J. P. Genet et al., Tetrahedron Lett. 21, 3183 (1980); of dl-cis-form: J. Mann, A. Thomas, ibid. 27, 3533 (1986). Synthesis of (-)-cis- and (+)-trans-forms: Gopichand et al., Indian J. Chem. 13, 433 (1975).

Hederagenin CAS Registry Number: 465-99-6 常春藤皂苷元

CAS Name: (3b,4a)-3,23-Dihydroxyolean-12-en-28-oic acid
Additional Names: caulosapogenin; melanthigenin
Percent Composition: C 76.23%, H 10.24%, O 13.54%
Literature References: Occurs as glycoside in many saponins, see a-Hederin. Isoln and structure: van der Haar, Arch. Pharm. 250, 424 (1912); Ruzicka et al., Helv. Chim. Acta 28, 380 (1945); Haynes et al., J. Chem. Soc. 1963, 744. Identity with melanthigenin: Mustafa, Soliman, ibid. 1943, 70. Identity with caulosapogenin: McShefferty, Stenlake, ibid. 1956, 2314. Molecular and crystal structure: R. Roques et al., Acta Crystallogr. B34, 1634 (1978). See also a- and b-Amyrin and Oleanolic Acid.