0标4化对 History... In 1770,Swedish chemist Torberm Bergman was the first to express the difference between "organic"and "inorganic"substances Organic---- derived from living organism Originally,Study of compounds extracted from living organisms and their natural products INORGANIC CHEMICALS were found primarily in the earth as mineral deposits,but could also be prepared by man
History… ◼In 1770, Swedish chemist Torberm Bergman was the first to express the difference between “organic” and “inorganic”substances Organic ---- ◼ derived from living organism Originally, Study of compounds extracted from living organisms and their natural products INORGANIC CHEMICALS were found primarily in the earth as mineral deposits, but could also be prepared by man
自秋标转铁 History...VITALISM 神秘莫测的力 Vital force theory:生命力学说 Compounds such as sugar,urea,starch, waxes,and plant oils were considered "organic" people believed that...... Organic compounds needs a "vital force"to create them Vitalism was the belief that certain chemicals,ORGANIC CHEMICALS,could only be made by living organisms
History… VITALISM 神秘莫测的力 Vital force theory:生命力学说 ◼Compounds such as sugar, urea, starch, waxes, and plant oils were considered “organic” people believed that…… ◼Organic compounds needs a “vital force” to create them ◼Vitalism was the belief that certain chemicals, ORGANIC CHEMICALS, could only be made by living organisms
自秋特大材 History... 院 ■In1828,Fridrich Wohler(魏勒) convert the "inorganic"salt ammonium cyanate into the "organic"substance urea ■ 氰酸铵 Heat NH4*OCN NH2 NH2
History… ◼In 1828, Fridrich Wohler（魏勒） convert the “inorganic” salt ammonium cyanate into the “organic” substance urea ◼氰酸铵 NH4 + - OCN NH2 O NH2 Heat
自秋转试对 History... 视中就 Wohler's synthesis led to the realization that molecules found in nature can be described, handled,and synthesized in the same way as minerals and metals. What an astounding insight----that atoms and molecules move freely between the living and nonliving worlds,that the living and nonliving share fundamental attributes that can be studied. With this discovery,organic chemistry was born
History… ◼Wohler’s synthesis led to the realization that molecules found in nature can be described, handled, and synthesized in the same way as minerals and metals. ◼What an astounding insight----that atoms and molecules move freely between the living and nonliving worlds, that the living and nonliving share fundamental attributes that can be studied. ◼With this discovery, organic chemistry was born
音秋标特大对 Definition... ■L Gemlin(葛美林)：Organic Chemistry is... the Chemistry of Carbon Compounds (excludes inorganic metal salts such as carbonates and cyanides and excludes carbon dioxide) ■SchOrlemmer C(薛勒迈尔)： .Organic Compounds are ...Hydrocarbons and Their Derivatives ■AIso Organic chemistry is Chemistry of carbon-based molecules Organic molecules are Carbon-based molecules
Definition… ◼L Gemlin(葛美林): Organic Chemistry is …… ⚫the Chemistry of Carbon Compounds ⚫(excludes inorganic metal salts such as carbonates and cyanides and excludes carbon dioxide) ◼SchÖ rlemmer C(薛勒迈尔) : ⚫Organic Compounds are …Hydrocarbons and Their Derivatives ◼Also ⚫Organic chemistry is Chemistry of carbon-based molecules ⚫Organic molecules are Carbon-based molecules