Detail of "7635-54-3"

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CAS Number:
7635-54-3
Name:
Carbonochloridic acid,5-methyl-2-(1-methylethyl)cyclohexyl ester, (1S,2R,5S)-
Molecular Structure:
Formula:
C₁₁H₁₉ClO₂
Molecular Weight:
218.72
Synonyms:
Carbonochloridicacid, 5-methyl-2-(1-methylethyl)cyclohexyl ester, [1S-(1a,2b,5a)]-;Formic acid, chloro-, p-menth-3-yl ester, (+)- (8CI);(+)-Menthylchloroformate;
Density:
1.04 g/cm³
Boiling Point:
233.9 °C at 760 mmHg
Flash Point:
70 °C
Appearance:
Colorless to light yellow liquid
Hazard Symbols:
T,C
Risk Codes:
23-34-20/21/22
Safety:
26-36/37/39-45-25 Details
Transport Information:
UN 3277 6.1/PG 2

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The chemical resolution of racemic cis-2-hydroxymethyl-5-(cytosine-1'-yl)-1,3-oxathiolane (BCH-189) direct method to obtain lamivudine as anti-hiv and anti-hbv agent: The chemical resolution of racemic cis-2-hydroxymethyl-5-(cytosine-1'-yl)-1,3-oxathiolane (BCH-189) direct method to obtain lamivudine as anti-hiv and anti-hbv agent. Li, Ji-Zhen; Gao, Lian-Xun; Ding, Meng-Xian (State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, ChangChun 130022, Peop. Rep. China). Synthetic Communications, 32(15), 2355-2359 (English) 2002 Marcel Dekker, Inc.There are some reagents like 134680-32-3 is used in this study. CODEN: SYNCAV. ISSN: 0039-7911. DOCUMENT TYPE: Journal CA Section: 33 (Carbohydrates) Section cross-reference(s): 29 Racemic cis-BCH-189 can be resolved to (-)-enantiomer (lamivudine) and (+)-enantiomer by esterification of cis-2-hydroxymethyl-5-(N'4-acetylcytosine-1'-yl)-1,3-oxathiolane and (+)-menthyl chloroformate in CH3CN with pyridine as base. The two diastereomers of ester were sepd. by recrystn. 488106-77-0 and 7635-54-3 which are cas registry numbers of substances are two of reagents here. in methanol at 0°C. Lamivudine was obtained by deprotection of (-)-diastereomer with high yield. ..