Detail of "937-63-3"

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CAS Number:
937-63-3
Name:
Carbonochloridothioicacid, O-(4-methylphenyl) ester
Molecular Structure:
Formula:
C₈H₇ClOS
Molecular Weight:
186.66
Synonyms:
Formic acid,chlorothio-, O-p-tolyl ester (6CI,7CI,8CI);4-Methylphenyl chlorothioformate;O-4-Methylphenyl chlorothioformate;p-Tolyl chlorothionoformate;p-Tolyloxythiocarbonyl chloride;
EINECS:
213-333-3
Density:
1.225 g/mL at 25 °C(lit.)
Boiling Point:
244.8 °C at 760 mmHg
Flash Point:
101.8 °C
Appearance:
clear yellow liquid
Hazard Symbols:
T,Xi
Risk Codes:
23-34
Safety:
26-36/37/39-45 Details
Transport Information:
UN 3265

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3,7,10-Trioxapentacyclo[3: 3,7,10-Trioxapentacyclo[3.3.3.02,4.06,8.09,11]undecane (3,7,10-trioxatris(homobarrelene)). Weitemeyer, Christian; De Meijere, Armin (Org.-Chem. 60239-30-7 is the cas registry number. This chemical is also mentioned in this article. Inst., Univ. Goettingen, Goettingen, Ger.). Angew. Chem., 88(21), 721-2 (German) 1976. CODEN: ANCEAD. DOCUMENT TYPE: Journal CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) The title compd. (I) was synthesized from barrelene (II). Redn. of dione III (Z = O) with LiAlH4 gave diol III (Z = H,OH) which was treated with 4-MeC6H4OC(S)Cl to give III [Z = H,OC(S)OC6H4Me-4] (IV). Thermolysis of IV gave II with an overall yield of 20%. Oxidn. of II with 50% excess 2-ClC6H4CO2OH gave 46% 1:1.7 V(X = bond line)-V(X = O). Thermolysis of V (X = O) at 200.degree. gave 20% I. .

A new synthesis of 3-deazathymidine and of a related phosphoramidite synthon: A new synthesis of 3-deazathymidine and of a related phosphoramidite synthon. Eschenhof, Harald; Strazewski, Peter; Tamm, Christoph (Inst. Org. Chem., Univ. Basel, Basel CH-4056, Switz.). Tetrahedron, 48(30), 6225-30 (English) 1992. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 33 (Carbohydrates) 3-Deazathymine (I), a DNA base analog, was synthesized from Et 2,4-dihydroxypyridine-5-carboxylate in 4 steps with 48% overall yield. The b-selective glycosidation of I and the use of the uncommon triisopropylphenylsulfonyl (TIPS) protecting group lead to a high yield of 3-deazathymidine. The TIPS-nucleoside deriv. 937-63-3 is the cas registry number. This chemical is also mentioned in this article. is readily converted into the phosphoramidite II (R = 4,4'-dimethoxytrityl), a suitable deriv. for automatic DNA synthesis. .