CH3->A->уксусн.альдегид->Б->В->аминоукс.к-та
2CH4 ==(t=1500*)==HC###CH(A) + 3H2
HC###CH + H2O ==(Hg(2+),H(+) )== H3C-CHO
H3C-CHO === 1)[Ag(NH3)2]OH == H3C-COOH (Б)
2)H3O(+)
H3C-COOH + Br2 ==(P red)== Br-CH2-COOH(B) + HBr
Br-CH2-COOH +NH3 === H2N-CH2-COOH + HBr
### - triple bond