▁See ▁also ▁ ▁Ar row ▁pushing ▁N uc le oph il ic ▁a cy l ▁substitution ▁Ne igh bour ing ▁group ▁participation ▁SN 2 ▁reaction ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Di agr ams : ▁F rost burg ▁State ▁University ▁ ▁Ex erc ise : ▁the ▁University ▁of ▁Maine ▁ ▁Category : Sub st itution ▁re actions ▁Category : Re action ▁mechan isms <0x0A> </s> ▁Est eb an ▁de ▁Bil ba o ▁E gu ía ▁( 1 8 7 9 – 1 9 7 0 ) ▁was ▁a ▁Spanish ▁Car list ▁and ▁Franco ist ▁politician . ▁ ▁Family ▁and ▁youth ▁ ▁Est eb an ▁Martín ▁H igin io ▁de ▁Bil ba o ▁E gu ía ▁was ▁born ▁to ▁a ▁Bas que ▁mid - range ▁b our ge ois ie ▁family . ▁His ▁pat ernal ▁grand father , ▁Manuel ▁Bil ba o , ▁ran ▁a ▁merchant ▁business ▁in ▁his ▁native ▁town ▁of ▁Gu ern ica ▁( B isc ay ▁province ); ▁one ▁of ▁his ▁sons ▁became ▁a ▁pres by ter , ▁while ▁another , ▁H ilar io ▁Bil ba o ▁Ort ú zar , ▁moved ▁to ▁Bil ba o ▁and ▁pract iced ▁as ▁a ▁phys ician . ▁He ▁married ▁María ▁Con cep ción ▁Mate a ▁de ▁E gu ía ▁Gal inde z , ▁desc endant ▁to ▁a ▁distinguished ▁and ▁much - branch ed ▁B isc ay ▁family . ▁The ▁couple ▁had ▁ 6 ▁children , ▁with ▁Est eb an ▁born ▁as ▁the ▁oldest ▁of ▁ 2 ▁brothers ▁and ▁ 4 ▁sister s . ▁All