Detail of "4638-92-0"

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CAS Number:
4638-92-0
Name:
Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, (1R,3R)-
Superlist Name:
(+)-trans-Chrysanthemic acid
Molecular Structure:
Formula:
C₁₀H₁₆O₂
Molecular Weight:
168.2328
Synonyms:
Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1R,3R)- (9CI);Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,(1R-trans)-;Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-,(1R,3R)-(+)- (8CI);(+)-trans-2,2-Dimethyl-3-isobutenyl-1-cyclopropanecarboxylic acid;(+)-trans-Chrysanthemic acid;(+)-trans-Chrysanthemumic acid;(1R,3R)-Chrysanthemic acid;(1R-trans)-Chrysanthemic acid;1R,3R-(+)-trans-Chrysanthemic acid;d-trans-Chrysanthemic acid;d-trans-Chrysanthemumic acid;d-trans-Chrysanthemummonocarboxylic acid;trans-(+)-Chrysanthemic acid;
EINECS:
225-067-5
Density:
1.077 g/cm³
Melting Point:
17-21 °C
Boiling Point:
246.4 °C at 760 mmHg
Flash Point:
119 °C
Solubility:
Soluble in water
Appearance:
clear colorless to yellow liquid
Hazard Symbols:
Xi
Risk Codes:
36/38
Safety:
26-37/39 Details

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Chiral synthons from racemates: diastereo and enantioselective syntheses of (1R,3R)-chrysanthemic-, -permethric- and -caronic acids from racemic diastereomeric mixtures: Chiral synthons from racemates: diastereo and enantioselective syntheses of (1R,3R)-chrysanthemic-, -permethric- and -caronic acids from racemic diastereomeric mixtures. Schneider, Manfred; Engel, Norbert; Boensmann, Heike (Univ.-GH Wuppertal, Wuppertal D-5600/1, Fed.In this study， 9013-79-0 and 55701-03-6 are also used. Rep. Ger.). Angew. Chem., 96(1), 52-3 (German) 1984. CODEN: ANCEAD. ISSN: 0044-8249. DOCUMENT TYPE: Journal CA Section: 16 (Fermentation and Bioindustrial Chemistry) (1R,3R)-Chrysanthemic acid (I) [4638-92-0], (1R,3R)-permethric acid (II) [55701-03-6], and (1R,3R)-caronic acid monomethyl ester (III) [27335-36-0] were produced from the Me esters, di-Me ester in the case of III, of their chem. synthesized racemic mixts. by the action of pig liver esterase [9013-79-0]. The unreacted substrate was extd. with ether, the aq. phase was acidified, and the product then extd. The purity of I, II, and III in the product was 70, 80, and 98%, resp. .

New industrial processes based on carene: New industrial processes based on carene. Dev, Sukh (Malti-Chem Res. Cent., Vadodara, India). Colour.There are some reagents with their cas registry numbers 4638-92-0 and 2216-51-5 are used in this study. Annu., Volume Date 1982-1983 B/41-B/47 (English) 1983. CODEN: COLAB8. ISSN: 0588-5108. DOCUMENT TYPE: Journal CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) Section cross-reference(s): 24 A discussion of com. processes for the manuf. of (-)-menthol [2216-51-5] and (+)-trans-chrysanthemic acid [4638-92-0] from (+)-3-carene [498-15-7]. .