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

Ammonium Sulfamate CAS Registry Number: 7773-06-0 氨基磺酸铵

CAS Name: Sulfamic acid monoammonium salt
Additional Names: AMS
Trademarks: Ammate (DuPont)
Percent Composition: H 5.30%, N 24.55%, O 42.06%, S 28.10%
Literature References: Weed-killing prepn: Cupery, Tanberg, US 2277744 (1941 to du Pont). Prepn from ammonia and sulfamic acid: Sisler, Audrieth, Inorg. Synth. 2, 180 (1946). Toxicity study: Ambrose, J. Ind. Hyg. Toxicol. 25, 26 (1943).

Alcian Blue CAS Registry Number: 12040-44-7 阿尔新蓝

CAS Name: C.I. Ingrain Blue 1
Additional Names: C.I. 74240; alcian blue 8GX; michrome no. 24
Literature References: When R = toluyl, the mol wt is about 1300. Discovered by Haddock and Wood in 1944: Haddock, Research 1, 685 (1948); GB 586340 and GB 587636 (both to ICI). During dyeing the X groups split off. Prepn: Colour Index vol. 4 (3rd ed.) p 4620.

Violaxanthin CAS Registry Number: 126-29-4 紫黄质(非对映异构体混合物)

CAS Name: 5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-b,b-carotene-3,3'-diol
Additional Names: zeaxanthin diepoxide
Percent Composition: C 79.96%, H 9.39%, O 10.65%
Literature References: Widely distributed carotenoid pigment. Formed in plants from zeaxanthin. Isoln from yellow pansies (Viola tricolor): Kuhn, Winterstein, Ber. 64, 326 (1931). Structure: Karrer et al., Helv. Chim. Acta 14, 1044 (1931); 16, 977 (1933); 19, 1024 (1936); 27, 1684 (1944). Partial synthesis: Karrer, Jucker, ibid. 28, 300 (1945). Abs config: Bartlett et al., J. Chem. Soc. C 1969, 2527. Isoln from Viola tricolor and configuration of the 15-cis-isomer: P. Molnar, J. Szabolcs, Phytochemistry 19, 623 (1980).

p-Aminobenzoic Acid CAS Registry Number: 150-13-0 对氨基苯甲酸

CAS Name: 4-Aminobenzoic acid
Additional Names: vitamin Bx; bacterial vitamin H1; chromotrichia factor; anti-chromotrichia factor; trichochromogenic factor; anticanitic vitamin; PABA
Tradema...
Literature References: Widely distributed in nature as a B complex factor. Baker's yeast contains 5 to 6 ppm, brewer's yeast from 10 to 100 ppm. Occurs free and in ester form. Prepn: Toland, Heaton, US 2878281 (1959 to Calif. Research Corp.); Spiegler, US 2947781 (1960 to Du Pont); Nielson et al., J. Chem. Soc. 1962, 371. Purification: Lyding, US 2735865 (1956 to Heyden Chem.). Antirickettsial activity: M. L. Robbins et al., J. Immunol. 64, 431 (1950). Toxicity studies: C. C. Scott, E. B. Robbins, Proc. Soc. Exp. Biol. Med. 49, 184 (1942); R. K. Richards, Fed. Proc. 1, 71 (1942); G. Cronheim, ibid. 10, 289 (1952). Comprehensive description: H. A. El-Obeid, A. A. Al-Badr, Anal. Profiles Drug Subs. Excip. 22, 33-106 (1993).

Acetol CAS Registry Number: 116-09-6 羟基丙酮

CAS Name: 1-Hydroxy-2-propanone
Additional Names: hydroxyacetone; acetone alcohol; acetylcarbinol; acetylmethanol; 2-oxopropanol
Percent Composition: C 48.64%, H 8.16%, O 43.19%
Literature References: Widely distributed in nature. Produced in animals as an intermediate in the intrahepatic metabolism of acetone. Also formed by the action of aldose reductase on methylglyoxal, q.v. and accumulates in uncontrolled diabetes. Prepn: W. H. Perkin, Jr., J. Chem. Soc. 59, 786 (1891); T. Matsumoto et al., J. Org. Chem. 50, 603 (1985). Isoln from coffee extract: M. Stoll et al., Helv. Chim. Acta 50, 628 (1967). HPLC determn in serum: J. P. Casazza, J. L. Fu, Anal. Biochem. 148, 344 (1985). Metabolism and potential role in diabetic complications: D. L. Vander Jagt et al., J. Biol. Chem. 267, 4364 (1992). Use in peptide synthesis: B. Kundu, Tetrahedron Lett. 33, 3193 (1992).

p-Hydroxybenzaldehyde CAS Registry Number: 123-08-0 4-羟基苯甲醛; 对羟基苯甲醛

Additional Names: 4-Formylphenol
Percent Composition: C 68.85%, H 4.95%, O 26.20%
Literature References: Widely distributed in plants in very small amounts. Obtained as a byproduct from the Reimer-Tiemann reaction for salicylaldehyde from phenol: L. F. Fieser, M. Fieser, Organic Chemistry (Reinhold, New York, 3rd ed., 1956) p 681; cf. Reimer, Tiemann, Ber. 9, 824 (1876); Herzfeld, Tiemann, Ber. 10, 64 (1877).

Arabinose CAS Registry Number: 147-81-9 阿拉伯糖

Additional Names: L-Arabinose; pectin sugar
Percent Composition: C 40.00%, H 6.71%, O 53.29%
Literature References: Widely distributed in plants, usually in the form of complex polysaccharides. Also in mycobacteria. Isoln from mesquite gum: Anderson, Sands, J. Am. Chem. Soc. 48, 3172 (1926); Org. Synth. coll. vol. I, 16 (2nd ed., 1941); White, J. Am. Chem. Soc. 69, 715 (1947); from western red cedar (Thuja plicata Don., Cupressaceae): Anderson, Erdtman, ibid. 71, 2927 (1949); from sapote gum: White, ibid. 75, 257 (1953); from heartwood of port orford cedar (Chamaecyparis lawsoniana (Murr.) Parl, Cupressaceae): Kritchevsky, Anderson, ibid. 77, 3391 (1955). Structure: Wolfrom, Christman, ibid. 58, 39 (1936). Synthesis: Hough, Jones, J. Chem. Soc. 1951, 1122.

Syringaldehyde CAS Registry Number: 134-96-3 3,5-二甲氧基-4-羟基苯甲醛; 丁香醛

CAS Name: 4-Hydroxy-3,5-dimethoxybenzaldehyde
Additional Names: syringic aldehyde; 3,5-dimethoxy-4-hydroxybenzene carbonal; gallaldehyde 3,5-dimethyl ether
Percent Composition: C 59.34%, H 5...
Literature References: Widely distributed in plants. Hydrolysis product of the naturally occurring glycosyringic aldehyde: Körner, Gazz. Chim. Ital. 18, 215 (1888). Prepn from heat-treated beechwood and lignin: Kratzl, Silbernagel, C.A. 50, 6040 (1956). Synthesis from pyrogallol 1,3-dimethyl ether: Pearl, J. Am. Chem. Soc. 70, 1746 (1948), cf. Graebe, Martz, Ber. 36, 1032 (1903); Allen, Leubner, Org. Synth. 31, 92 (1951); coll. vol. IV, 866 (1963).

D -Glucuronic Acid CAS Registry Number: 6556-12-3 D-葡萄糖醛酸

Percent Composition: C 37.12%, H 5.19%, O 57.69%
Literature References: Widely distributed in the plant and animal kingdoms. Usually occurs in "paired" form, i.e. as a glycosidic combination with phenols, alcohols, etc. Such glucuronides form in the liver to detoxify poisonous hydroxyl-containing substances. The glucuronides present in normal urine are those of phenol, cresol, and indoxyl. After the ingestion of poisons such as morphine, chloral hydrate, camphor, or turpentine, glucuronides formed with the poison or its hydroxylated derivatives appear in the urine. Review and bibliography: Stacey, Adv. Carbohydr. Chem. 2, 161 (1946); Jones, Smith, ibid. 4, 243 (1949). Structure: Pryde, Williams, Nature 128, 187 (1931); Levene, Meyer, J. Biol. Chem. 92, 257 (1931); Levene, Kreider, ibid. 120, 597 (1937). Review of syntheses: Mehltretter, Adv. Carbohydr. Chem. 8, 231 (1953). Prepn by irradiation of D-glucose in dil aq soln: Phillips et al., J. Chem. Soc. 1958, 3522; by g-irradiation of aq sucrose soln: Phillips, Moody, ibid. 1960, 762. Electrophoretic sepn of D-glucuronic acid and its C-5 epimer, L-iduronic acid: I. Miyamoto, S. Nagase, Anal. Biochem. 115, 308 (1981). Monographs: N. E. Artz, E. M. Osman, Biochemistry of Glucuronic Acid (Academic Press, New York, 1950); G. J. Dutton, Ed., Glucuronic Acid, Free and Combined (Academic Press, New York, 1966) 629 pp.

Tocoretinate CAS Registry Number: 40516-48-1 维甲酸维E酯

CAS Name: Retinoic acid rel-(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-yl ester
Additional Names: (±)-(2R*)-2,5,7,8-tetramethyl-2-[(4R*,8R*...
Literature References: Wound healing agent that stimulates proliferation of normal skin fibroblasts. Prepn: H. Fukawa, K. Tanaka, JP Kokai 73 00469; eidem, US 3878202 (1973, 1975 both to Nisshin Flour Milling Co.). Pharmacology: K. Sakyo et al., Oyo Yakuri 43, 111 (1992), C.A. 116, 228223z (1992). Pharmacokinetics: T. Nakazawa et al., ibid. 205, C.A. 117, 19823 (1993). Mechanism of action study: N. Kawamura et al., Dig. Dis. Sci. 39, 2191 (1994). Clinical evaluation in skin ulcers: T. Doi, Skin Res. 36, 384 (1994); K. Nakagawa et al., ibid. 209. Acute toxicity study: Y. Harada et al., Oyo Yakuri 43, 227 (1992), C.A. 117, 20721 (1992).