Question

IUPAC Name of
CH ₂ -CH(C ₂ H 5) - CH₂ - C(CH₃)₂-CH₃​

Answer 1

Answer:

dental material according to claim 5, characterized in that it comprises at least one spiro [fluoren-9,1 '[1,8a] dihydroindoli zin] derivative according to the formula contains, in the

X is C-R⁵ or N;

R¹ is H or CH₃;

R² is H, CH₂ = C (CH₃) -COO- or together with R³ a konkon-based benzene ring (- (CH₂ = CH₂-) ₂);

R³ is H, CH₃, COOCH₃, CN, CH₂ = C (CH₃) -COO- or together with R² a fused benzene ring (- (CH₂ = CH₂-) ₂);

R⁴ is H or CH₃;

R⁵ is H or CH₂ = C (CH₃) -COO-;

R⁶ COOCH₃ or COCH₃ and

R⁷ COOCH₃ or COCH₃

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