Title: b-Coniceine
CAS Registry Number: 538-90-9
CAS Name: 2-(1-Propenyl)piperidine
Additional Names: a-allylpiperidine
Molecular Formula: C8H15N
Molecular Weight: 125.21
Percent Composition: C 76.74%, H 12.07%, N 11.19%
Literature References: Prepn from conhydrine: Löffler, Friederick, Ber. 42, 107 (1909); Löffler, Tschunke, ibid. 929.
Derivative Type: dl-Form
Properties: Liquid, solidifies around 8°. bp 168°. d415 0.8716. Sol in alcohol, ether; very slightly sol in water.
Boiling point: bp 168°
Density: d415 0.8716
Derivative Type: dl-Form hydrochloride
Molecular Formula: C8H15N.HCl
Molecular Weight: 161.67
Percent Composition: C 59.43%, H 9.98%, N 8.66%, Cl 21.93%
Properties: mp 206°. Sol in water.
Melting point: mp 206°
Derivative Type: d-Form
Properties: Needles, mp 39°. bp 168°. [a]D45 +50°. Sol in alcohol, ether; very slightly sol in water.
Melting point: mp 39°
Boiling point: bp 168°
Optical Rotation: [a]D45 +50°
Derivative Type: d-Form hydrochloride
Properties: mp 182°. Sol in water.
Melting point: mp 182°
Derivative Type: l-Form
Properties: Crystals, mp 40°. bp 168°. [a]D45 -50°. Sol in alcohol, ether; very slightly sol in water.
Melting point: mp 40°
Boiling point: bp 168°
Optical Rotation: [a]D45 -50°
Derivative Type: l-Form hydrochloride
Properties: mp 183°. Sol in water.
Melting point: mp 183°
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