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

Lycophyll CAS Registry Number: 19891-75-9 Psi,Psi-胡罗卜素-16,16'-二醇

CAS Name: y,y-Carotene-16,16'-diol
Additional Names: (all-trans)-lycopene-16,16'-diol
Percent Composition: C 84.45%, H 9.92%, O 5.62%
Literature References: Carotenoid pigment, isoln from Solanum dulcamara L. and Lycopersicum esculentum Mill., Solanaceae and structure: Zechmeister, Cholnoky, Ber. 69, 422 (1936). Revised structure: Cholnoky, Szabolcs, Tetrahedron Lett. 1968, 1931. Stereochemistry: Kelly et al., Acta Chem. Scand. 25, 1607 (1971). Synthesis: Kjosen, Liaaen-jensen, ibid. 1500.

Chrysanthemaxanthin CAS Registry Number: 27780-11-6 (3S,3'S,5R,8S,9顺)-5,8-二氢-5,8-环氧-β,β-叶红素-3,3'-二醇

CAS Name: (3S,3'R,5R,6'R,8S)-5,8-Epoxy-5,8-dihydro-b,e-carotene-3,3'-diol
Percent Composition: C 82.14%, H 9.65%, O 8.21%
Literature References: Carotenoid pigment. Occurs together with flavoxanthin, q.v.. Has same structural formula, mp, rotation, and absorption as flavoxanthin, but differs sterically. Can be separated chromatographically: in a zinc carbonate column the chrysanthemaxanthin zone locates itself below flavoxanthin and above lutein epoxide. Isoln from asters: Karrer, Jucker, Helv. Chim. Acta 26, 626 (1943). Partial synthesis from lutein, eidem, ibid. 28, 300 (1945). For absolute configuration see: H. Cadosch et al., ibid. 61, 783 (1978).

Azafrin CAS Registry Number: 507-61-9

CAS Name: (5R,6R)-5,6-Dihydro-5,6-dihydroxy-10'-apo-b,y-carotenoic acid
Additional Names: escobedin
Percent Composition: C 76.02%, H 8.98%, O 15.00%
Literature References: Carotenoid-carboxylic acid from roots of the South American plant "Azafranillo," Escobedia scabrifolia Ruiz Pav., and Escobedia laevis Cham. Schlecht., Scrophulariaceae. Isoln: R. Kuhn et al., Ber. 64, 333 (1931); ibid. 65, 1873 (1932). Structure: R. Kuhn, A. Deutsch, ibid. 66, 883 (1933); R. Kuhn, H. Brockmann, ibid. 67, 885 (1934); Ann. 516, 104 (1935). Absolute configuration (5R:6R): W. Eschenmoser, C. H. Eugster, Helv. Chim. Acta 58, 1722 (1975).

Crocetin CAS Registry Number: 27876-94-4 藏红花酸

CAS Name: 8,8'-Diapo-y,y-carotenedioic acid
Additional Names: trans-crocetin
Percent Composition: C 73.15%, H 7.37%, O 19.49%
Literature References: Carotenoid-dicarboxylic acid isolated from Crocus sativus L.; C. albiflorus var. neapolitanus Hort.; C. luteus Lam., Iridaceae. Extraction procedure and structure: Jucker, Karrer, Carotinoide (Basel, 1948) p 282.

N-(4-Aminobenzoyl)- L -glutamic acid CAS Registry Number: 4271-30-1 N-(4-氨基甲酰)-L-谷氨酸

Additional Names: N-(p-aminobenzoyl)glutamic acid; PABG
Percent Composition: C 54.13%, H 5.30%, N 10.52%, O 30.05%
Literature References: Catabolite of folate. Prepn: J. Van der Scheer, K. Landsteiner, J. Immunol. 29, 371 (1935). Improved synthesis: A. P. Reddy, C. P. R. Reddy, Org. Prep. Proced. Int. 22, 117 (1990); P. Maunder et al., J. Chem. Soc. Perkin Trans. 1 1311 (1999). HPLC determn: B. A. Allen, R. A. Newman, J. Chromatogr. 190, 241 (1980); densitometric determn in folic acid tablets: J. Krzek, A. Kwiecien, J. Pharm. Biomed. Anal. 21, 451 (1999). Use as marker of folate degradation: J. McPartlin, J. Scott, Methods Enzymol. 281, 70 (1997); of turnover in pregnant women: J. F. Gregory, III et al., J. Nutr. 131, 1928 (2001).

Arbutamine CAS Registry Number: 128470-16-6 阿布他明

CAS Name: 4-[(1R)-1-Hydroxy-2-[[4-(4-hydroxyphenyl)butyl]amino]ethyl]-1,2-benzenediol
Additional Names: (R)-3,4-dihydroxy-a-[[[4-(p-hydroxyphenyl)butyl]amino]methyl]benzyl alcohol; 1-(3,4-dihyd...
Literature References: Catecholamine cardiac stimulant. Prepn: R. R. Tuttle, C. E. Browne, III, EP 329464; eidem, US 5395970 (1989, 1995 both to Gensia). Pharmacology and pharmacodynamics: M. Young et al., Drug Dev. Res. 32, 19 (1994). Efficacy as exercise stimulating agent (ESA) in comparison with dobutamine, q.v.: H. K. Hammond, M. D. McKirnan, J. Am. Coll. Cardiol. 23, 475 (1994).

Vanilmandelic Acid CAS Registry Number: 55-10-7 3-甲氧基-4-羟基扁桃酸

CAS Name: a,4-Dihydroxy-3-methoxybenzeneacetic acid
Additional Names: 3-methoxy-4-hydroxymandelic acid; 4-hydroxy-3-methoxymandelic acid; VMA
Percent Composition: C 54.55%, H 5.09%, O 40.37%
Literature References: Catecholamine metabolite. Urine levels elevated in various pathologies. Misnamed vanillinemandelic acid and vanillylmandelic acid. Prepn from vanillin cyanohydrin: Gardner, Hibbert, J. Am. Chem. Soc. 66, 608 (1944). Improved procedure: Shaw et al., J. Org. Chem. 23, 30 (1958); E. F. Recondo, H. Rinderknecht, ibid. 25, 2248 (1960); I. Goodman et al., Biochem. Prep. 13, 75 (1971). Resolution: Armstrong et al., Biochim. Biophys. Acta 25, 422 (1957). Determination in urine: T. C. Stewart, J. A. Freeman, Vanilmandelic Acid Catecholamine Determinations (Am. Soc. Clin. Pathol., Chicago, 1976) pp 1-81.

Butylmethylimidazolium CAS Registry Number: 80432-08-2

CAS Name: 1-Butyl-3-methyl-1H-imidazolium
Additional Names: BMIM; C4mim
Literature References: Cation used in prepn of room temperature ionic liquids, q.v. Prepn of hexafluorophosphate and tetrafluoroborate: Y. Chauvin et al., Angew. Chem. Int. Ed. 34, 2698 (1995); and physical properties: P. A. Z. Suarez et al., J. Chim. Phys. 95, 1626 (1998). Prepn and properties of ionic liquids containing the imidazolium cation: J. G. Huddleston et al., Green Chem. 3, 156 (2001).

Lapyrium Chloride CAS Registry Number: 6272-74-8 拉吡氯铵

CAS Name: 1-[2-Oxo-2-[[2-[(1-oxododecyl)oxy]ethyl]amino]ethyl]pyridinium chloride
Additional Names: 1-[(2-dodecanoyloxyethylcarbamoyl)methyl]pyridinium chloride; 1-[[(2-hydroxyethyl)carbamoyl]m...
Literature References: Cationic surfactant. Prepn: A. K. Epstein, B. R. Harris, US 2290173 (1942). Bactericidal potency: A. K. Epstein et al., Proc. Soc. Exp. Biol. Med. 53, 238 (1943). Toxicity study: A. E. Vivino, T. Koppanyi, J. Am. Pharm. Assoc. Sci. Ed. 35, 169 (1946). Chemoenzymatic synthesis: E. M. Rustoy, A. Baldessari, Eur. J. Org. Chem. 2005, 4628.

Methylcellulose CAS Registry Number: 9004-67-5 甲基纤维素

CAS Name: Cellulose methyl ether
Trademarks: Methocel A (Dow); Benecel M (Hercules); Celevac (Shire); Cellucon (Medo); Citrucel (GSK); Cologel (Lilly); Tearisol (Novartis); Tylose M (Clariant)
Literature References: Cellulose obtained from fibrous plant material and partially etherified with methyl groups. Prepd from cellulose fibers heated with caustic solution and treated with methyl chloride. Commercial methylcellulose has a methoxyl content of 25-33% (degree of substitution 1.5 to 2.0). Review of prepns and properties: Ott, Cellulose and Cellulose Derivatives (Wiley-Interscience, New York, 2nd ed., 1954/55); G. K. Greminger, A. B. Savage, in Industrial Gums, R. L. Whistler, Ed. (Academic Press, New York, 2nd ed., 1973) pp 619-647. Clinical efficacy as laxative: J. W. Hamilton et al., Dig. Dis. Sci. 33, 993 (1988). Evaluation in lens implantation surgery: J. R. Rojas et al., Ann. Ophthalmol. 21, 389 (1989). Review of production and uses in the food industry: P. de Mariscal, D. A. Bell in Handbook of Fat Replacers, S. Roller, S. A. Jones, Eds. (CRC Press, Boca Raton FL, 1996) pp 145-159.