코르티손-21-아세트산

코르티손-21-아세트산 속성

코르티손-21-아세트산 C화학적 특성, 용도, 생산

개요

Cortisone acetate is a synthetic glucocorticoid with anti-inflammatory properties. It decreases the size of Bacillus Calmette-Guérin (BCG) vaccine-induced dermal lesions and tuberculin reactions in rabbits when administered at 2 mg/kg on alternate days over the course of 46 days. It also reduces the number and percentage of activated lesion-infiltrating mononuclear cells and decreases the amount of caseous necrosis and ulceration. Cortisone acetate (2.5 mg/kg per day, s.c.) slows tissue regeneration in a rabbit model of wound healing. It also decreases the number of dexamethasone binding sites on isolated human lymphocytes by 30%. Formulations containing cortisone acetate have been used to relieve inflammation, pruritic manifestations of corticosteroid-responsive dermatoses, and in the treatment of immune and allergic disorders.

화학적 성질

White needle crystal or crystalline powder (acetone), odorless. Stable in the air. Mp239- 241°C, specific rotation [α]20D+164°(0.5%, acetone), [α]23D+169°(chloroform), [α]25D+208°-+217°(dioxane), The ethanol solution of this product has a maximum absorption at a wavelength of 240nm. Soluble in chloroform (1:4), soluble in acetone (1:75), slightly soluble in ethanol and ether, and hardly soluble in water. This product dissolves in sulfuric acid and turns yellow without fluorescence (different from hydrocortisone acetate).

용도

Cortisone Acetate (Hydrocortisone Acetate EP Impurity D) is a glucocorticoid. Cortisone Acetate is an antiinflammatory agent. Cortisone Acetate is bioavailable and readily converted to the therapeutically active form, Hydrocotisone.

제조 방법

Cortisone acetate is prepared from dehydropregnenolone by epoxidation, Wolff's oxidation, mycoxidation, chromic acid oxidation, hydrogen bromide ring-opening, Raney's nickel-catalyzed debromination, iodination, and acetyloxy substitution.

일반 설명

Cortisone acetate, 21-(acetyloxy)-17-hydroxypregn-4-ene-3,11,20-trione, is the 21-acetate of naturally occurring cortisone with good systemicanti-inflammatory activity and low-to-moderate salt-retentionactivity after its in vivo conversion to hydrocortisoneacetate. This conversion is mediated by 11β-hydroxysteroiddehydrogenase. It is used for the entire spectrum of uses discussedpreviously under the heading, “Therapeutic Uses ofAdrenal Cortex Hormones”—collagen diseases, Addisondisease, severe shock, allergic conditions, chronic lymphocyticleukemia, and many other indications. Cortisone acetateis relatively ineffective topically, mainly because itmust be reduced in vivo to hydrocortisone. Its plasma halflifeis only about 30 minutes, compared with 90 minutes to3 hours for hydrocortisone.

Purification Methods

Crystallise -1cortisone-21-acetate from acetone or CHCl3. The UV has 15,800 M-1cm at 238nm in dioxane. [Sarett J Biol Chem 162 601 1946, Beilstein 8 III 4058, 5 IV 3481.]

참고 문헌

1. Cortisone acetate in skin disease; local effect in the skin from topical application and local injection. DOI:10.1001/ARCHDERM.1952.01530210056007
2. McCue, R.E., Dannenberg, A.M., Jr., Huguchi, S., et al. The effect of cortisone on the accumulation, activation, and necrosis of macrophages in tuberculous lesions. Inflammation 3(2), 159-176 (1978). DOI:10.1007/BF00910737
3. Joseph, J., and Tydd, M. The effects of cortisone acetate on tissue regeneration in the rabbit’s ear. J. Anat. 115(Pt. 3), 445-460 (1973).
4. Schlechte, J.A., Ginsberg, B.H., and Sherman, B.M. Regulation of the glucocorticoid receptor in human lymphocytes. J. Steroid Biochem. 16(1), 69-74 (1982). DOI:10.1016/0022-4731(82)90145-5
5. Sittig's Pharmaceutical Manufacturing Encyclopedia
6. Textbook of organic medicinal and pharmaceutical chemistry. DOI:10.1002/jps.3030451120
7. Purification of Laboratory Chemicals DOI:10.5860/choice.50-6768

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코르티손-21-아세트산 공급 업체

공급자	전화	이메일	국가	제품 수	이점
Hebei Kangcang new material Technology Co., LTD	+8619133911216	fanfan@kangcang.com.cn	China	340	58
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12456	58
hebei hongtan Biotechnology Co., Ltd	+86-86-1913198-3935 +8617331935328	sales03@chemcn.cn	China	951	58
Shaanxi TNJONE Pharmaceutical Co., Ltd	+8618740459177	sarah@tnjone.com	China	893	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
Hangzhou FandaChem Co.,Ltd.	008657128800458; +8615858145714	fandachem@gmail.com	China	9348	55
Hebei Guanlang Biotechnology Co., Ltd.	+86-19930503282	alice@crovellbio.com	China	8823	58
Cangzhou Wanyou New Material Technology Co.,Ltd	18631714998	sales@czwytech.com	CHINA	906	58
Xiamen AmoyChem Co., Ltd	+86-592-6051114 +8618959220845	sales@amoychem.com	China	6387	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22968	58

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