2131. 3-Chloro-1-butene
Nomenclature
CAS number: 563-52-0
γ-Chloro-α-butylene; α-methallyl chloride; α-methylallyl chloride. C4H7Cl; mol wt 90.55.
C 53.06%, H 7.79%, Cl 39.15%.
Description and references
Prepn of dl-form: B"ohme, Ber. 71, 2372 (1938), D. Y. Curtin, S. M. Gerber, J. Am. Chem. Soc. 74, 4052 (1952); of d(-)-form: B"ohme, loc. cit.; of l(+)-form: W. G. Young, F. F. Caserio, Jr., J. Org. Chem. 26, 245 (1961). Absolute configuration: Young, Caserio, loc. cit. Equilibrium constant for isomerization to 1-chloro-2-butene, q.v.: D. C. Dittmer, A. F. Marcantonio, J. Org. Chem. 29, 3473 (1964).
Derivative
dl-Form.Properties
Liquid, bp 63.9-64.2°, bp26 -5°. d420 0.9001. nD20 1.4150.Derivative
d(-)-Form.Nomenclature
CAS number: 130404-07-8
(3R)-3-Chloro-1-butene. Properties
Liquid, bp26 -5°. αD20 -2.52° (neat).Derivative
l(+)-Form.Nomenclature
CAS number: 35729-37-4
(3S)-3-Chloro-1-butene.